Heim php教程 php手册 php读取execel内容

php读取execel内容

Jun 13, 2016 am 11:21 AM
abc alert define error NOT php warning 内容 读取


define('ABC_CRITICAL',      0);
define('ABC_ERROR',         1);
define('ABC_ALERT',         2);
define('ABC_WARNING',       3);
define('ABC_NOTICE',        4);
define('ABC_INFO',          5);
define('ABC_DEBUG',         6);
define('ABC_TRACE',         7);
define('ABC_VAR_DUMP',      8);
define('ABC_NO_LOG',      -1);
$php_version = split( ".", phpversion() );
if( $php_version[0] == 4 && $php_version[1]     if( !function_exists('var_export') ) {
        function var_export( $exp, $ret ) {
ob_start();
var_dump( $exp );
$result = ob_get_contents();
ob_end_clean();
return $result;
}}}function print_bt()
{
print "n";<br>$cs = debug_backtrace();<br>for( $i = 1; $i {<br>$item = $cs[ $i ];<br>for( $j = 0; $j if( is_string($item['args'][$j]) )<br>$item['args'][$j] = """ . $item['args'][$j] . """;<br>$args = join(",", $item['args'] );<br>if( isset( $item['class'] ) )<br>$str = sprintf("%s(%d): %s%s%s(%s)",<br>$item['file'],<br>$item['line'],<br>$item['class'],<br>$item['type'],<br>$item['function'],<br>$args );<br>else<br>$str = sprintf("%s(%d): %s(%s)",<br>$item['file'],<br>$item['line'],<br>$item['function'],<br>$args );<br>echo $str . "<br>n";<br>}print "n";
}function _die( $str )
{
print "Script died with reason: $str
n";
print_bt();
exit();
}class DebugOut
{
var $priorities = array(ABC_CRITICAL    => 'critical',
                        ABC_ERROR       => 'error',
                        ABC_ALERT       => 'alert',
                        ABC_WARNING     => 'warning',
                        ABC_NOTICE      => 'notice',
                        ABC_INFO        => 'info',
                        ABC_DEBUG       => 'debug',
                        ABC_TRACE       => 'trace',
                        ABC_VAR_DUMP        => 'dump'
                        );
var $_ready = false;
var $_currentPriority = ABC_DEBUG;
var $_consumers = array();
var  $_filename;
var  $_fp;
var  $_logger_name;
 function DebugOut($name, $logger_name, $level ){
     $this->_filename = $name;
     $this->_currentPriority = $level;
     $this->_logger_name = $logger_name;
     if ($level > ABC_NO_LOG){
        $this->_openfile();
     }
     register_shutdown_function(array($this,"close"));
 } function log($message, $priority = ABC_INFO) {
        if ($priority > $this->_currentPriority) {
            return false;
        }
        return $this->_writeLine($message, $priority, strftime('%b %d %H:%M:%S'));
 } function dump($variable,$name) {
       $priority = ABC_VAR_DUMP;
       if ($priority > $this->_currentPriority ) {
            return false;
       }       $time = strftime('%b %d %H:%M:%S');
       $message = var_export($variable,true);
       return fwrite($this->_fp,
                     sprintf("%s %s [%s] variable %s = %s rn",
                             $time,
                             $this->_logger_name,
                             $this->priorities[$priority],
                             $name,
                             $message)
                             );
 } function info($message) {
        return $this->log($message, ABC_INFO);
 } function debug($message) {
        return $this->log($message, ABC_DEBUG);
 } function notice($message) {
        return $this->log($message, ABC_NOTICE);
 } function warning($message) {
        return $this->log($message, ABC_WARNING);
 } function trace($message) {
        return $this->log($message, ABC_TRACE);
 } function error($message) {
        return $this->log($message, ABC_ERROR);
 }
 function _writeLine($message, $priority, $time) {
    if( fwrite($this->_fp, sprintf("%s %s [%s] %srn", $time, $this->_logger_name, $this->priorities[$priority], $message)) ) {
        return fflush($this->_fp);
    } else {
        return false;
    } } function _openfile() {
    if (($this->_fp = @fopen($this->_filename, 'a')) == false) {
        return false;
    }        return true;
 } function close(){
    if($this->_currentPriority != ABC_NO_LOG){
        $this->info("Logger stoped");
        return fclose($this->_fp);
    } }
 function Factory($name, $logger_name, $level) {
    $instance = new DebugOut($name, $logger_name, $level);
    return $instance;
 } function &getWriterSingleton($name, $logger_name, $level = ABC_DEBUG){
      static $instances;
      if (!isset($instances)){
        $instances = array();
      }      $signature = serialize(array($name, $level));
      if (!isset($instances[$signature])) {
            $instances[$signature] = DebugOut::Factory($name, $logger_name, $level);
      }     
      return $instances[$signature];
 } function attach(&$logObserver) {
    if (!is_object($logObserver)) {
        return false;
    }    $logObserver->_listenerID = uniqid(rand());
    $this->_listeners[$logObserver->_listenerID] = &$logObserver;
 }}define ('ABC_BAD_DATE', -1);
class ExcelDateUtil{
function xls2tstamp($date) {
$date=$date>25568?$date:25569;
   $ofs=(70 * 365 + 17+2) * 86400;
   return ($date * 86400) - $ofs;
}function getDateArray($xls_date){
    $ret = array();
    if ($xls_date == 60) {
        $ret['day']   = 29;
        $ret['month'] = 2;
        $ret['year']  = 1900;
        return $ret;
    } else if ($xls_date          $xls_date++;
    }
    $l = $xls_date + 68569 + 2415019;
    $n = (int)(( 4 * $l ) / 146097);
    $l = $l - (int)(( 146097 * $n + 3 ) / 4);
    $i = (int)(( 4000 * ( $l + 1 ) ) / 1461001);
    $l = $l - (int)(( 1461 * $i ) / 4) + 31;
    $j = (int)(( 80 * $l ) / 2447);
    $ret['day'] = $l - (int)(( 2447 * $j ) / 80);
    $l = (int)($j / 11);
    $ret['month'] = $j + 2 - ( 12 * $l );
    $ret['year'] = 100 * ( $n - 49 ) + $i + $l;
    return $ret;
}function isInternalDateFormat($format) {
    $retval =false;
    switch(format) {
        case 0x0e:
        case 0x0f:
        case 0x10:
        case 0x11:
        case 0x12:
        case 0x13:
        case 0x14:
        case 0x15:
        case 0x16:
        case 0x2d:
        case 0x2e:
        case 0x2f:
        case 0xa4:
        case 0xa5:
        case 0xa6:
        case 0xa7:
        case 0xa8:
        case 0xa9:
        case 0xaa:
        case 0xab:
        case 0xac:
        case 0xad:
        $retval = true; break;
        default: $retval = false; break;
    }         return $retval;
}}define('EXCEL_FONT_RID',0x31);
define('XF_SCRIPT_NONE',0);
define('XF_SCRIPT_SUPERSCRIPT',1);
define('XF_SCRIPT_SUBSCRIPT',2);
define('XF_UNDERLINE_NONE',0x0);
define('XF_UNDERLINE_SINGLE',0x1);
define('XF_UNDERLINE_DOUBLE',0x2);
define('XF_UNDERLINE_SINGLE_ACCOUNTING',0x3);
define('XF_UNDERLINE_DOUBLE_ACCOUNTING',0x4);
define('XF_STYLE_ITALIC', 0x2);
define('XF_STYLE_STRIKEOUT', 0x8);
define('XF_BOLDNESS_REGULAR',0x190);
define('XF_BOLDNESS_BOLD',0x2BC);
class ExcelFont {
 function basicFontRecord() {
    return  array('size'     => 10,
                    'script'   => XF_SCRIPT_NONE,
                    'undeline' => XF_UNDERLINE_NONE,
                    'italic'   => false,
                    'strikeout'=> false,
                    'bold'     => false,
                    'boldness' => XF_BOLDNESS_REGULAR,
                    'palete'   => 0,
                    'name'     => 'Arial');
 } function getFontRecord(&$wb,$ptr) {
    $retval = array('size'     => 0,
                    'script'   => XF_SCRIPT_NONE,
                    'undeline' => XF_UNDERLINE_NONE,
                    'italic'   => false,
                    'strikeout'=> false,
                    'bold'     => false,
                    'boldness' => XF_BOLDNESS_REGULAR,
                    'palete'   => 0,
                    'name'     => '');
    $retval['size'] = (ord($wb[$ptr])+ 256*ord($wb[$ptr+1]))/20;
    $style=ord($wb[$ptr+2]);
    if (($style & XF_STYLE_ITALIC) != 0) {
        $retval['italic'] = true;
    }    if (($style & XF_STYLE_STRIKEOUT) != 0) {
        $retval['strikeout'] = true;
    }    $retval['palete'] = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
    $retval['boldness'] = ord($wb[$ptr+6])+256*ord($wb[$ptr+7]);
    $retval['bold'] = $retval['boldness'] == XF_BOLDNESS_REGULAR ? false:true;
    $retval['script'] =  ord($wb[$ptr+8])+256*ord($wb[$ptr+9]);
    $retval['underline'] = ord($wb[$ptr+10]);
    $length = ord($wb[$ptr+14]);
    if($length >0) {
        if(ord($wb[$ptr+15]) == 0) {
            $retval['name'] = substr($wb,$ptr+16,$length);
        } else {
            $retval['name'] = ExcelFont::getUnicodeString($wb,$ptr+15,$length);
        }    }    return $retval;
 } function toString(&$record,$index) {
    $retval = sprintf("Font Index = %d nFont Size =%dnItalic = %snStrikeoout=%snPalete=%snBoldness = %s Bold=%sn Script = %dn Underline = %dn FontName=%s


",
                $index,
                $record['size'],
                $record['italic']    == true?"true":"false",
                $record['strikeout'] == true?"true":"false",
                $record['palete'],
                $record['boldness'],
                $record['bold'] == true?"true":"false",
                $record['script'],
                $record['underline'],
                $record['name']
                );
    return $retval;
 } function getUnicodeString(&$string,$offset,$length) {
        $bstring = "";
        $index   = $offset + 1;
        for ($k = 0; $k         {
            $bstring = $bstring.$string[$index];
            $index        += 2;
        }        return substr($bstring,0,$length);
 } function ExcelToCSS($rec, $app_font=true, $app_size=true, $app_italic=true, $app_bold=true){
    $ret = "";
    if($app_font==true){
        $ret = $ret."font-family:".$rec['name']."; ";
    }    if($app_size==true){
        $ret = $ret."font-size:".$rec['size']."pt; ";
    }    if($app_bold==true){
        if($rec['bold']==true){
            $ret = $ret."font-weight:bold; ";
        } else {
            $ret = $ret."font-weight:normal; ";
        }    }    if($app_italic==true){
        if($rec['italic']==true){
            $ret = $ret."font-style:italic; ";
        } else {
            $ret = $ret."font-style:normal; ";
        }    }    return $ret;
 }}define ( DP_EMPTY, 0 );
define ( DP_STRING_SOURCE, 1 );
define ( DP_FILE_SOURCE, 2 );
class ExcelParserUtil
{
function str2long($str) {
return ord($str[0]) + 256*(ord($str[1]) +
256*(ord($str[2]) + 256*(ord($str[3])) ));
}}
class DataProvider
{
function DataProvider( $data, $dataType )
{
switch( $dataType )
{
case DP_FILE_SOURCE:
if( !( $this->_data = @fopen( $data, "rb" )) )
return;
$this->_size = @filesize( $data );
if( !$this->_size )
_die("Failed to determine file size.");
break;
case DP_STRING_SOURCE:
$this->_data = $data;
$this->_size = strlen( $data );
break;
default:
_die("Invalid data type provided.");
}$this->_type = $dataType;
register_shutdown_function( array( $this, "close") );
}function get( $offset, $length )
{
if( !$this->isValid() )
_die("Data provider is empty.");
if( $this->_baseOfs + $offset + $length > $this->_size )
_die("Invalid offset/length.");
switch( $this->_type )
{
case DP_FILE_SOURCE:
{
if( @fseek( $this->_data, $this->_baseOfs + $offset, SEEK_SET ) == -1 )
_die("Failed to seek file position specified by offest.");
return @fread( $this->_data, $length );
}case DP_STRING_SOURCE:
{
$rc = substr( $this->_data, $this->_baseOfs + $offset, $length );
return $rc;
}default:
_die("Invalid data type or class was not initialized.");
}}function getByte( $offset )
{
return $this->get( $offset, 1 );
}function getOrd( $offset )
{
return ord( $this->getByte( $offset ) );
}function getLong( $offset )
{
$str = $this->get( $offset, 4 );
return ExcelParserUtil::str2long( $str );
}function getSize()
{
if( !$this->isValid() )
_die("Data provider is empty.");
return $this->_size;
}function getBlocks()
{
if( !$this->isValid() )
_die("Data provider is empty.");
return (int)(($this->_size - 1) / 0x200) - 1;
}function ReadFromFat( $chain, $gran = 0x200 )
{
$rc = '';
for( $i = 0; $i $rc .= $this->get( $chain[$i] * $gran, $gran );
return $rc;
}function close()
{
switch($this->_type )
{
case DP_FILE_SOURCE:
@fclose( $this->_data );
case DP_STRING_SOURCE:
$this->_data = null;
default:
$_type = DP_EMPTY;
break;
}}function isValid()
{
return $this->_type != DP_EMPTY;
}var $_type = DP_EMPTY;
var $_data = null;
var $_size = -1;
var $_baseOfs = 0;
}class ExcelFileParser {
var $dp = null;
var $max_blocks;
var $max_sblocks;
var $fat;
var $sfat;
var $formats;
var $xf;
var $fonts;
    var $dbglog;

    function ExcelFileParser($logfile="",$level=ABC_NO_LOG) {
$this->dbglog = &DebugOut::getWriterSingleton($logfile,"",$level);
        $this->dbglog->info("Logger started");
    }function populateFormat() {
$this->dbglog->trace(" populateFormat() function call");
$ret = array (
        0=> "General",
        1=> "0",
        2=> "0.00",
        3=> "#,##0",
        4=> "#,##0.00",
        5=> "($#,##0_);($#,##0)",
        6=> "($#,##0_);[Red]($#,##0)",
        7=> "($#,##0.00);($#,##0.00)",
        8=> "($#,##0.00_);[Red]($#,##0.00)",
        9=> "0%",
        0xa=> "0.00%",
        0xb=> "0.00E+00",
        0xc=> "# ?/?",
        0xd=> "# ??/??",
        0xe=> "m/d/yy",
        0xf=> "d-mmm-yy",
        0x10=> "d-mmm",
        0x11=> "mmm-yy",
        0x12=> "h:mm AM/PM",
        0x13=> "h:mm:ss AM/PM",
        0x14=> "h:mm",
        0x15=> "h:mm:ss",
        0x16=> "m/d/yy h:mm",
        0x17=> "0x17",
        0x18=> "0x18",
        0x19=> "0x19",
        0x1a=> "0x1a",
        0x1b=> "0x1b",
        0x1c=> "0x1c",
        0x1d=> "0x1d",
        0x1e=> "0x1e",
        0x1f=> "0x1f",
        0x20=> "0x20",
        0x21=> "0x21",
        0x22=> "0x22",
        0x23=> "0x23",
        0x24=> "0x24",
        0x25=> "(#,##0_);(#,##0)",
        0x26=> "(#,##0_);[Red](#,##0)",
        0x27=> "(#,##0.00_);(#,##0.00)",
        0x28=> "(#,##0.00_);[Red](#,##0.00)",
        0x29=> "_(*#,##0_);_(*(#,##0);_(* "-"_);_(@_)",
        0x2a=> "_($*#,##0_);_($*(#,##0);_($* "-"_);_(@_)",
        0x2b=> "_(*#,##0.00_);_(*(#,##0.00);_(*"-"??_);_(@_)",
        0x2c=> "_($*#,##0.00_);_($*(#,##0.00);_($*"-"??_);_(@_)",
        0x2d=> "mm:ss",
        0x2e=> "[h]:mm:ss",
        0x2f=> "mm:ss.0",
        0x30=> "##0.0E+0",
        0x31=> "@");
            $this->dbglog->dump($ret,"$ret");
            $this->dbglog->trace("populateFormat() function return");
        return $ret;
}function xls2tstamp($date) {
$date=$date>25568?$date:25569;
   $ofs=(70 * 365 + 17+2) * 86400;
   return ($date * 86400) - $ofs;
}function getDateArray($date) {
   return ExcelDateUtil::getDateArray($date);
}function isDateFormat($val){
$f_i=$this->xf['format'][$val];
if(preg_match("/[m|d|y]/i",$this->format[$f_i])!=0){
    if(strrpos($this->format[$f_i],'[')!=FALSE) {
        $tmp = preg_replace("/([/?)(w+)([^]]*])/","'\1'.''.'\3'",$this->format[$f_i]);
    if(preg_match("/[m|d|y]/i",$tmp)!=0)
       return TRUE;
     else
       return FALSE;
    } else {
        return TRUE;
    }} else
  return FALSE;
}function getUnicodeString($str,$ofs){
   $size=0;
   $i_ofs=0;
   return substr($str,$ofs+$i_ofs+1,$size);
}function getByteString($str,$ofs){
   $size=0;
   $i_ofs=0;
     $size=ord($str[$ofs]);
     $i_ofs=1;
}
function get_blocks_chain($start,$small_fat=false) {
$this->dbglog->trace("get_blocks_chain(".var_export($start,true).",".var_export($small_fat,true).") function call ");
$chain = array();
$next_block = $start;
if( !$small_fat ) {
while(  ($next_block!=0xfffffffe) &&
($next_block max_blocks) &&
($next_block fat)) )
{
$chain[] = $next_block;
$next_block = $this->fat[$next_block];
}} else {
while(  ($next_block!=0xfffffffe) &&
($next_block max_sblocks) &&
($next_block sfat)) )
{
$chain[] = $next_block;
$next_block = $this->sfat[$next_block];
}}if( $next_block != 0xfffffffe )
return false;
$this->dbglog->dump($chain,"$chain");
$this->dbglog->trace("get_blocks_chain() function return");
return $chain;
}
function find_stream( $dir, $item_name,$item_num=0) {
        $this->dbglog->trace("find_stream(".var_export($dir,true).",".var_export($item_name,true).",".var_export($item_num,true).") function call ");
$dt = $dir->getOrd( $item_num * 0x80 + 0x42 );
$prev = $dir->getLong( $item_num * 0x80 + 0x44 );
$next = $dir->getLong( $item_num * 0x80 + 0x48 );
$dir_ = $dir->getLong( $item_num * 0x80 + 0x4c );
$curr_name = '';
if( ($dt==2) || ($dt==5) )
for( $i=0;
 $i getOrd( $item_num * 0x80 + 0x40 ) +
  256 * $dir->getOrd( $item_num * 0x80 + 0x41 ) )/2-1;
 $i++ )
$curr_name .= $dir->getByte( $item_num * 0x80 + $i * 2 );
if( (($dt==2) || ($dt==5)) && (strcmp($curr_name,$item_name)==0) ){
    $this->dbglog->trace("find_stream() function return with ".var_export($item_num,true));
return $item_num;
}if( $prev != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $prev);
if( $i>=0 ){
    $this->dbglog->trace("find_stream() function return with ".var_export($i,true));
    return $i;
    }}if( $next != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $next);
if( $i>=0 ){
    $this->dbglog->trace("find_stream() function return with ".var_export($i,true));
    return $i;
}}if( $dir_ != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $dir_ );
if( $i>=0 ) {
    $this->dbglog->trace("find_stream() function return with ".var_export($i,true));
    return $i;
}}        $this->dbglog->trace("find_stream() function return with -1");
return -1;
}function rk_decode($rk) {
    $this->dbglog->trace("rk_decode(".var_export($rk,true).") function call");
$res = array();
if( $rk & 2 ) {
$val = ($rk & 0xfffffffc) >> 2;
if( $rk & 1 ) $val = $val / 100;
if (((float)$val) == floor((float)$val)){
   $res['val'] = (int)$val;
   $res['type'] = 1;
} else {
   $res['val'] = (float)$val;
   $res['type'] = 2;
}} else {
$res['type'] = 2;
$frk = $rk;
$fexp =  (($frk & 0x7ff00000) >> 20) - 1023;
$val = 1+(($frk & 0x000fffff) >> 2)/262144;
if( $fexp > 0 ) {
for( $i=0; $i$val *= 2;
} else {
if( $fexp==-1023 ) {
$val=0;
} else {
 for( $i=0; $i$val /= 2;
}}if( $rk & 1 ) $val = $val / 100;
if( $rk & 0x80000000 ) $val = -$val;
$res['val'] = (float)$val;
}$this->dbglog->trace("rk_decode() function returns");
return $res;
}
function parse_worksheet($ws) {
        $this->dbglog->debug("parse_worksheet(DATA) function");
if( strlen($ws)     $this->dbglog->trace("parse_worksheet() function returns 7 (Data not Found)");
        return 7;
    }if( strlen($ws)     $this->dbglog->trace("parse_worksheet() function returns 6 (File Corrupted)");
    return 6;
}
if( strlen($ws) if( ord($ws[0]) != 0x09 ) return 6;
$vers = ord($ws[1]);
if( ($vers!=0) && ($vers!=2) && ($vers!=4) && ($vers!=8) )
return 8;
if( $vers!=8 ) {
 $biff_ver = ($ver+4)/2;
} else {
 if( strlen($ws)  switch( ord($ws[4])+256*ord($ws[5]) ) {
case 0x0500:
if( ord($ws[0x0a])+256*ord($ws[0x0b]) $biff_ver = 5;
} else {
switch(ord( $ws[8])+256*ord($ws[9]) ) {
 case 2412:
 case 3218:
 case 3321:
             $this->dbglog->debug("Parsed BIFF version is 5");
$biff_ver = 5;
 break;
 default:
    $this->dbglog->debug("Parsed BIFF version is 7");
$biff_ver = 7;
break;
}}break;
case 0x0600:
    $this->dbglog->debug("Parsed BIFF version is 8");
$biff_ver = 8;
break;
default:
return 8;
 }}if( $biff_ver   $this->dbglog->debug("parse_worksheet() function found ($biff_ver   return 8;
}$ptr = 0;
$data = array('biff_version' => $biff_ver );
while( (ord($ws[$ptr])!=0x0a) && ($ptr switch (ord($ws[$ptr])+256*ord($ws[$ptr+1])) {
  case 0x0203:
     $this->dbglog->trace("found NUMBER");
if( ($biff_ver          $this->dbglog->trace("$biff_ver     break;
}if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3]))          $this->dbglog->debug("parse_worksheet() return 6");
return 6;
}$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$num_lo = ExcelParserUtil::str2long(substr($ws,$ptr+10,4));
$num_hi = ExcelParserUtil::str2long(substr($ws,$ptr+14,4));
$xf_i = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
if($this->isDateFormat($xf_i)){
$data['cell'][$row][$col]['type'] = 3;
} else {
$data['cell'][$row][$col]['type'] = 2;
}$fonti = $this->xf['font'][$xf_i];
    $data['cell'][$row][$fc+$i]['font'] = $fonti;
$fexp = (($num_hi & 0x7ff00000) >> 20) - 1023;
$val = 1+(($num_hi & 0x000fffff)+$num_lo/4294967296)/1048576;
if( $fexp > 0 ) {
for( $i=0; $i$val *= 2;
} else {
for( $i=0; $i$val /= 2;
}if( $num_hi & 0x80000000 ) $val = -$val;
$data['cell'][$row][$col]['data'] = (float)$val;
if( !isset($data['max_row']) ||
    ($data['max_row'] $data['max_row'] = $row;
if( !isset($data['max_col']) ||
    ($data['max_col'] $data['max_col'] = $col;
break;
  case 0x027e:
  $this->dbglog->trace("found RK");
if( ($biff_ver if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) return 6;
$row  = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col  = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf_i = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$val  = $this->rk_decode(
ExcelParserUtil::str2long(substr($ws,$ptr+10,4))
);
if($this->isDateFormat($xf_i)==TRUE){
$data['cell'][$row][$col]['type'] = 3;
} else {
$data['cell'][$row][$col]['type'] = $val['type'];
}$fonti = $this->xf['font'][$xf_i];
    $data['cell'][$row][$col]['font'] = $fonti;
$data['cell'][$row][$col]['data'] = $val['val'];
if( !isset($data['max_row']) ||
    ($data['max_row'] $data['max_row'] = $row;
if( !isset($data['max_col']) ||
    ($data['max_col'] $data['max_col'] = $col;
break;
  case 0x00bd:
  $this->dbglog->trace("found  MULL RK");
if( ($biff_ver $sz = ord($ws[$ptr+2])+256*ord($ws[$ptr+3]);
if( $sz $row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$fc = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$lc = ord($ws[$ptr+$sz+2])+256*ord($ws[$ptr+$sz+3]);
for( $i=0; $i $val = $this->rk_decode(
ExcelParserUtil::str2long(substr($ws,$ptr+10+$i*6,4))
);
   $xf_i=ord($ws[$ptr+8+$i*6])+256*ord($ws[($ptr+9+$i*6)]);
   if($this->isDateFormat($xf_i)==TRUE) {
   $data['cell'][$row][$fc+$i]['type'] = 3;
   } else {
   $data['cell'][$row][$fc+$i]['type'] = $val['type'];
   }   $fonti = $this->xf['font'][$xf_i];
       $data['cell'][$row][$fc+$i]['font'] = $fonti;
   $data['cell'][$row][$fc+$i]['data'] = $val['val'];
}if( !isset($data['max_row']) ||
    ($data['max_row'] $data['max_row'] = $row;
if( !isset($data['max_col']) ||
    ($data['max_col'] $data['max_col'] = $lc;
break;
  case 0x0204:
  $this->dbglog->trace("found LABEL");
if( ($biff_ver     break;
}if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) return 6;
}$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$fonti = $this->xf['font'][$xf];
$font =  $this->fonts[$fonti];
$str_len = ord($ws[$ptr+10])+256*ord($ws[$ptr+11]);
if( $ptr+12+$str_len > strlen($ws) )
return 6;
$this->sst['unicode'][] = false;
$this->sst['data'][] = substr($ws,$ptr+12,$str_len);
$data['cell'][$row][$col]['type'] = 0;
$sst_ind = count($this->sst['data'])-1;
$data['cell'][$row][$col]['data'] = $sst_ind;
$data['cell'][$row][$col]['font'] = $fonti;
if( !isset($data['max_row']) ||
    ($data['max_row'] $data['max_row'] = $row;
if( !isset($data['max_col']) ||
    ($data['max_col'] $data['max_col'] = $col;
break;
 case 0x00fd:
if( $biff_ver if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) return 6;
$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$fonti = $this->xf['font'][$xf];
$font = &$this->fonts[$fonti];
$data['cell'][$row][$col]['type'] = 0;
$sst_ind = ExcelParserUtil::str2long(substr($ws,$ptr+10,4));
$data['cell'][$row][$col]['data'] = $sst_ind;
$data['cell'][$row][$col]['font'] = $fonti;
if( !isset($data['max_row']) ||
    ($data['max_row'] $data['max_row'] = $row;
if( !isset($data['max_col']) ||
    ($data['max_col'] $data['max_col'] = $col;
break;
  default:
break;
 } $ptr += 4+256*ord($ws[$ptr+3])+ord($ws[$ptr+2]);
} $this->dbglog->debug("parse_worksheet() function returns ".var_export($data,true)); /*DEBUG*/
return $data;
}
function parse_workbook( $f_header, $dp ) {
 $this->dbglog->debug("parse_workbook() function");
$root_entry_block = $f_header->getLong(0x30);
$num_fat_blocks = $f_header->getLong(0x2c);
 $this->dbglog->trace("Header parsed");
$this->fat = array();
for( $i = 0; $i $this->dbglog->trace("FOR LOOP iteration i =".$i);
$fat_block = $f_header->getLong( 0x4c + 4 * $i );
$fatbuf = $dp->get( $fat_block * 0x200, 0x200 );
$fat = new DataProvider( $fatbuf, DP_STRING_SOURCE );
if( $fat->getSize()     $this->dbglog->debug("parse_workbook() function found (strlen($fat) return 6;
}for( $j=0; $j$this->fat[] = $fat->getLong( $j * 4 );
$fat->close();
unset( $fat_block, $fatbuf, $fat );
} $this->dbglog->dump( $this->fat, "$fat" );
if( count($this->fat)     $this->dbglog->debug("parse_workbook() function found (count($this->fat) return 6;
}$chain = $this->get_blocks_chain($root_entry_block);
$dir = new DataProvider( $dp->ReadFromFat( $chain ), DP_STRING_SOURCE );
unset( $chain );
$this->sfat = array();
$small_block = $f_header->getLong( 0x3c );
if( $small_block != 0xfeffffff ) {
$root_entry_index = $this->find_stream( $dir, 'Root Entry');
if( $root_entry_index     $this->dbglog->debug("parse_workbook() function dont found Root Entry returns 6");
    return 6;
 }
 $sdc_start_block = $dir->getLong( $root_entry_index * 0x80 + 0x74 );
 $small_data_chain = $this->get_blocks_chain($sdc_start_block);
 $this->max_sblocks = count($small_data_chain) * 8;
 
 $schain = $this->get_blocks_chain($small_block);
 for( $i = 0; $i  
$sfatbuf = $dp->get( $schain[$i] * 0x200, 0x200 );
$sfat = new DataProvider( $sfatbuf, DP_STRING_SOURCE );
  if( $sfat->getSize()      $this->dbglog->debug("parse_workbook() function found (strlen($sfat)      return 6;
       }      
  for( $j=0; $j   $this->sfat[] = $sfat->getLong( $j * 4 );
  
   $sfat->close();
   unset( $sfatbuf, $sfat );
 } unset( $schain );
 $sfcbuf = $dp->ReadFromFat( $small_data_chain );
  $sdp = new DataProvider( $sfcbuf, DP_STRING_SOURCE );
  unset( $sfcbuf, $small_data_chain );
}$workbook_index = $this->find_stream( $dir, 'Workbook' );
if( $workbook_index$workbook_index = $this->find_stream( $dir, 'Book' );
if( $workbook_index        $this->dbglog->debug("parse_workbook() function workbook index not found returns 7");
return 7;
}}$workbook_start_block = $dir->getLong( $workbook_index * 0x80 + 0x74 );
$workbook_length = $dir->getLong( $workbook_index * 0x80 + 0x78 );
$wb = '';
if( $workbook_length > 0 ) {
if( $workbook_length >= 0x1000 ) {
$chain = $this->get_blocks_chain($workbook_start_block);
$wb = $dp->ReadFromFat( $chain );
 } else {
$chain = $this->get_blocks_chain($workbook_start_block,true);
$wb = $sdp->ReadFromFat( $chain, 0x40 );
unset( $sdp );
 }$wb = substr($wb,0,$workbook_length);
if( strlen($wb) != $workbook_length )
return 6;
unset( $chain );
}
unset( $this->fat, $this->sfat );
if( strlen($wb)     $this->dbglog->debug("parse_workbook() function workbook found (strlen($wb)    return 7;
}if( strlen($wb)     $this->dbglog->debug("parse_workbook() function workbook found (strlen($wb)     return 6;
}
if( strlen($wb)  $this->dbglog->debug("parse_workbook() function workbook found (strlen($wb) return 6;
}if( ord($wb[0]) != 0x09 ){
 $this->dbglog->debug("parse_workbook() function workbook found (ord($wb[0]) != 0x09) returns 6");
return 6;
}$vers = ord($wb[1]);
if( ($vers!=0) && ($vers!=2) && ($vers!=4) && ($vers!=8) ){
return 8;
        }if( $vers!=8 )
 $biff_ver = ($ver+4)/2;
else {
if( strlen($wb)  switch( ord($wb[4])+256*ord($wb[5]) )
 {
case 0x0500:
if( ord($wb[0x0a])+256*ord($wb[0x0b]) $biff_ver = 5;
else {
switch(ord( $wb[8])+256*ord($wb[9]) ) {
 case 2412:
 case 3218:
 case 3321:
$biff_ver = 5;
break;
 default:
$biff_ver = 7;
break;
}}break;
case 0x0600:
$biff_ver = 8;
break;
default:
return 8;
 }}if( $biff_ver $ptr = 0;
$this->worksheet['offset'] = array();
$this->worksheet['options'] = array();
$this->worksheet['unicode'] = array();
$this->worksheet['name'] = array();
$this->worksheet['data'] = array();
$this->format = $this->populateFormat();
$this->fonts = array();
$this->fonts[0] = ExcelFont::basicFontRecord();
$this->xf = array();
$this->xf['format'] = array();
$this->xf['font'] = array();
$this->xf['type_prot'] = array();
$this->xf['alignment'] = array();
$this->xf['decoration'] = array();
$xf_cnt=0;
$this->sst['unicode'] = array();
$this->sst['data'] = array();
$opcode = 0;
$sst_defined = false;
$wblen = strlen($wb);
while( (ord($wb[$ptr])!=0x0a) && ($ptr{
$oc = ord($wb[$ptr])+256*ord($wb[$ptr+1]);
if( $oc != 0x3c )
$opcode = $oc;
 switch ($opcode)
 {
  case 0x0085:
$ofs = ExcelParserUtil::str2long(substr($wb,$ptr+4,4));
$this->worksheet['offset'][] = $ofs;
$this->worksheet['options'][] = ord($wb[$ptr+8])+256*ord($wb[$ptr+9]);
if( $biff_ver==8 ) {
$len = ord($wb[$ptr+10]);
if( (ord($wb[$ptr+11]) & 1) > 0 ) {
 $this->worksheet['unicode'][] = true;
$len = $len*2;
 } else {
 $this->worksheet['unicode'][] = false;
 } $this->worksheet['name'][] = substr($wb,$ptr+12,$len);
} else {
$this->worksheet['unicode'][] = false;
$len = ord($wb[$ptr+10]);
$this->worksheet['name'][] = substr($wb,$ptr+11,$len);
}$pws = $this->parse_worksheet(substr($wb,$ofs));
if( is_array($pws) )
$this->worksheet['data'][] = $pws;
else
return $pws;
break;
  case 0x041e:
   $fidx = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
  if($fidx  break;
  elseif($biff_ver>7)
    $this->format[$fidx] = $this->getUnicodeString($wb,$ptr+6);
        break;
   case EXCEL_FONT_RID:
                $rec = ExcelFont::getFontRecord($wb,$ptr+4);
                $this->fonts[count($this->fonts)] = $rec;
        break;
  case 0x00e0:
  $this->xf['font'][$xf_cnt] = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
  $this->xf['format'][$xf_cnt] = ord($wb[$ptr+6])+256*ord($wb[$ptr+7]);
  $this->xf['type'][$xf_cnt]  = "1";
  $this->xf['bitmask'][$xf_cnt] = "1";
  $xf_cnt++;
        break;
  case 0x00fc:
if( $biff_ver $sbuflen = ord($wb[$ptr+2]) + 256*ord($wb[$ptr+3]);
if( $oc != 0x3c ) {
 if( $sst_defined ) return 6;
$snum = ExcelParserUtil::str2long(substr($wb,$ptr+8,4));
$sptr = $ptr+12;
$sst_defined = true;
} else {
 if( $rslen > $slen ) {
$sptr = $ptr+4;
$rslen -= $slen;
$slen = $rslen;
if( (ord($wb[$sptr]) & 1) > 0 ) {
 if( $char_bytes == 1 ) {
  $sstr = '';
for( $i=0; $i$sstr .= $str[$i].chr(0);
$str = $sstr;
$char_bytes=2;
 } $schar_bytes = 2;
} else {
 $schar_bytes = 1;
}if( $sptr+$slen*$schar_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr+3)/$schar_bytes;
$sstr = substr($wb,$sptr+1,$slen*$schar_bytes);
if( ($char_bytes == 2) && ($schar_bytes == 1) )
{
$sstr2 = '';
for( $i=0; $i$sstr2 .= $sstr[$i].chr(0);
$sstr = $sstr2;
}$str .= $sstr;
$sptr += $slen*$schar_bytes+1+4*$rt+$fesz;
 if( $slen if( ($sptr >= strlen($wb)) ||
    ($sptr     (ord($wb[$sptr]) != 0x3c) )
{
    return 6;
}break;
 } else {
if( $char_bytes == 2 ) {
$this->sst['unicode'][] = true;
} else {
$this->sst['unicode'][] = false;
}$this->sst['data'][] = $str;
$snum--;
 } } else {
$sptr = $ptr+4;
if( $sptr > $ptr ) $sptr += 4*$rt+$fesz;
 }}while(  ($sptr ($sptr ($snum > 0) )
{
 $rslen = ord($wb[$sptr])+256*ord($wb[$sptr+1]);
 $slen = $rslen;
 if( (ord($wb[$sptr+2]) & 1) > 0 ) {
$char_bytes = 2;
 } else {
$char_bytes = 1;
 } $rt = 0;
 $fesz = 0;
 switch (ord($wb[$sptr+2]) & 0x0c) {
  case 0x0c:
$rt = ord($wb[$sptr+3])+256*(ord($wb[$sptr+4]));
$fesz = ExcelParserUtil::str2long(substr($wb,$sptr+5,4));
if( $sptr+9+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-5)/$char_bytes;
$str = substr($wb,$sptr+9,$slen*$char_bytes);
$sptr += $slen*$char_bytes+9;
break;
  case 8:
$rt = ord($wb[$sptr+3])+256*(ord($wb[$sptr+4]));
if( $sptr+5+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-1)/$char_bytes;
$str = substr($wb,$sptr+5,$slen*$char_bytes);
$sptr += $slen*$char_bytes+5;
break;
  case 4:
$fesz = ExcelParserUtil::str2long(substr($wb,$sptr+3,4));
if( $sptr+7+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-3)/$char_bytes;
$str = substr($wb,$sptr+7,$slen*$char_bytes);
$sptr += $slen*$char_bytes+7;
break;
  case 0:
if( $sptr+3+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr+1)/$char_bytes;
 $str = substr($wb,$sptr+3,$slen*$char_bytes);
 $sptr += $slen*$char_bytes+3;
break;
 } if( $slen if( ($sptr >= strlen($wb)) ||
    ($sptr     (ord($wb[$sptr]) != 0x3c) ) return 6;
 } else {
if( $char_bytes == 2 ) {
$this->sst['unicode'][] = true;
} else {
$this->sst['unicode'][] = false;
}$sptr += 4*$rt+$fesz;
$this->sst['data'][] = $str;
 $snum--;
 }}
break;
 }
$ptr += 4+256*ord($wb[$ptr+3])+ord($wb[$ptr+2]);
}
$this->biff_version = $biff_ver;
 $this->dbglog->debug("parse_workbook() function returns 0");
return 0;
}
function ParseFromString( $contents )
{
$this->dbglog->info("ParseFromString() enter.");
$this->dp = new DataProvider( $contents, DP_STRING_SOURCE );
return $this->InitParser();
}function ParseFromFile( $filename )
{
$this->dbglog->info("ParseFromFile() enter.");
$this->dp = new DataProvider( $filename, DP_FILE_SOURCE );
return $this->InitParser();
}function InitParser()
{
$this->dbglog->info("InitParser() enter.");
if( !$this->dp->isValid() )
{
$this->dbglog->error("InitParser() Failed to open file.");
$this->dbglog->error("InitParser() function returns 1");
return 1;
}if( $this->dp->getSize() {
$this->dbglog->error("InitParser() File too small to be an Excel file.");
$this->dbglog->error("InitParser() function returns 2");
return 2;
}$this->max_blocks = $this->dp->getBlocks();
$hdrbuf = $this->dp->get( 0, 0x200 );
if( strlen( $hdrbuf ) {
$this->dbglog->error("InitParser() Error reading header.");
$this->dbglog->error("InitParser() function returns 3");
return 3;
}
$header_sig = array(0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1);
for( $i = 0; $i if( $header_sig[$i] != ord( $hdrbuf[$i] ) ){
        $this->dbglog->error("InitParser() function founds invalid header");
        $this->dbglog->error("InitParser() function returns 5");
return 5;
            }$f_header = new DataProvider( $hdrbuf, DP_STRING_SOURCE );
unset( $hdrbuf, $header_sig, $i );
$this->dp->_baseOfs = 0x200;
$rc = $this->parse_workbook( $f_header, $this->dp );
unset( $f_header );
unset( $this->dp, $this->max_blocks, $this->max_sblocks );
return $rc;
}}
function unescape($str) {
$str = rawurldecode($str);
preg_match_all("/(?:%u.{4})|.{4};|d+;|.+/U",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(substr($v,0,2) == "%u")
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,-4)));
elseif(substr($v,0,3) == "")
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,3,-1)));
elseif(substr($v,0,2) == "") {
$ar[$k] = iconv("UCS-2","GB2312",pack("n",substr($v,2,-1)));
}
}
return join("",$ar);
}
function uc2html($str) {
$ret = '';
for( $i=0; $i$charcode = ord($str[$i*2])+256*ord($str[$i*2+1]);
$ret .= ''.$charcode.';';
}return $ret;
}
function Read_Excel_File($ExcelFile,&$result) {
$exc = new ExcelFileParser("", ABC_NO_LOG );
$res=$exc->ParseFromFile($ExcelFile);$result=null;
switch ($res) {
 case 0: break;
 case 1: $err="无法打开文件"; break;
 case 2: $err="文件太小,可能不是Excel文件"; break;
 case 3: $err="文件头读取错误"; break;
 case 4: $err="读取文件时出错"; break;
 case 5: $err="这不是一个Excel文件或者是Excel5.0以前版本文件"; break;
 case 6: $err="文件损坏"; break;
 case 7: $err="在文件中没有发现Excel数据"; break;
 case 8: $err="不支持的文件版本"; break;
 default:
        $err="未知错误"; break;
}
for( $ws_num=0; $ws_numworksheet['name']); $ws_num++ )
{
 $Sheetname=$exc->worksheet['name'][$ws_num]; 
 $ws = $exc->worksheet['data'][$ws_num]; 
 for( $j=0; $j  for( $i=0; $i     $data = $ws['cell'][$j][$i]; 
     switch ($data['type']) {
   case 0:
    $ind = $data['data'];
    if( $exc->sst['unicode'][$ind] ) {
     $s = unescape(uc2html($exc->sst['data'][$ind]));
    } else
     $s = $exc->sst['data'][$ind];
    if( strlen(trim($s))==0 )
     $V="";
    else
     $V=$s;
    break;
   case 1:
    $V=(int)($data['data']);
    break;
   case 2:
    $V=(float)($data['data']);
    break;
   case 3:
    $ret = $exc->getDateArray($data['data']);
    $V=$ret['year']."-".$ret['month']."-".$ret['day']." ".$ret['hour'];
    break;
   default:
    break;
     }           
   $result[$Sheetname][$j][$i]=$V;
  }  
 }
}
if ($err=='') {return 0;} else {return $err;}
}
?>


Erklärung dieser Website
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn

Heiße KI -Werkzeuge

Undresser.AI Undress

Undresser.AI Undress

KI-gestützte App zum Erstellen realistischer Aktfotos

AI Clothes Remover

AI Clothes Remover

Online-KI-Tool zum Entfernen von Kleidung aus Fotos.

Undress AI Tool

Undress AI Tool

Ausziehbilder kostenlos

Clothoff.io

Clothoff.io

KI-Kleiderentferner

Video Face Swap

Video Face Swap

Tauschen Sie Gesichter in jedem Video mühelos mit unserem völlig kostenlosen KI-Gesichtstausch-Tool aus!

Heiße Werkzeuge

Notepad++7.3.1

Notepad++7.3.1

Einfach zu bedienender und kostenloser Code-Editor

SublimeText3 chinesische Version

SublimeText3 chinesische Version

Chinesische Version, sehr einfach zu bedienen

Senden Sie Studio 13.0.1

Senden Sie Studio 13.0.1

Leistungsstarke integrierte PHP-Entwicklungsumgebung

Dreamweaver CS6

Dreamweaver CS6

Visuelle Webentwicklungstools

SublimeText3 Mac-Version

SublimeText3 Mac-Version

Codebearbeitungssoftware auf Gottesniveau (SublimeText3)

PHP 8.4 Installations- und Upgrade-Anleitung für Ubuntu und Debian PHP 8.4 Installations- und Upgrade-Anleitung für Ubuntu und Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 bringt mehrere neue Funktionen, Sicherheitsverbesserungen und Leistungsverbesserungen mit einer beträchtlichen Menge an veralteten und entfernten Funktionen. In dieser Anleitung wird erklärt, wie Sie PHP 8.4 installieren oder auf PHP 8.4 auf Ubuntu, Debian oder deren Derivaten aktualisieren. Obwohl es möglich ist, PHP aus dem Quellcode zu kompilieren, ist die Installation aus einem APT-Repository wie unten erläutert oft schneller und sicherer, da diese Repositorys in Zukunft die neuesten Fehlerbehebungen und Sicherheitsupdates bereitstellen.

7 PHP-Funktionen, die ich leider vorher nicht kannte 7 PHP-Funktionen, die ich leider vorher nicht kannte Nov 13, 2024 am 09:42 AM

Wenn Sie ein erfahrener PHP-Entwickler sind, haben Sie möglicherweise das Gefühl, dass Sie dort waren und dies bereits getan haben. Sie haben eine beträchtliche Anzahl von Anwendungen entwickelt, Millionen von Codezeilen debuggt und eine Reihe von Skripten optimiert, um op zu erreichen

So richten Sie Visual Studio-Code (VS-Code) für die PHP-Entwicklung ein So richten Sie Visual Studio-Code (VS-Code) für die PHP-Entwicklung ein Dec 20, 2024 am 11:31 AM

Visual Studio Code, auch bekannt als VS Code, ist ein kostenloser Quellcode-Editor – oder eine integrierte Entwicklungsumgebung (IDE) –, die für alle gängigen Betriebssysteme verfügbar ist. Mit einer großen Sammlung von Erweiterungen für viele Programmiersprachen kann VS Code c

Erklären Sie JSON Web Tokens (JWT) und ihren Anwendungsfall in PHP -APIs. Erklären Sie JSON Web Tokens (JWT) und ihren Anwendungsfall in PHP -APIs. Apr 05, 2025 am 12:04 AM

JWT ist ein offener Standard, der auf JSON basiert und zur sicheren Übertragung von Informationen zwischen Parteien verwendet wird, hauptsächlich für die Identitätsauthentifizierung und den Informationsaustausch. 1. JWT besteht aus drei Teilen: Header, Nutzlast und Signatur. 2. Das Arbeitsprinzip von JWT enthält drei Schritte: Generierung von JWT, Überprüfung von JWT und Parsingnayload. 3. Bei Verwendung von JWT zur Authentifizierung in PHP kann JWT generiert und überprüft werden, und die Funktionen und Berechtigungsinformationen der Benutzer können in die erweiterte Verwendung aufgenommen werden. 4. Häufige Fehler sind Signaturüberprüfungsfehler, Token -Ablauf und übergroße Nutzlast. Zu Debugging -Fähigkeiten gehört die Verwendung von Debugging -Tools und Protokollierung. 5. Leistungsoptimierung und Best Practices umfassen die Verwendung geeigneter Signaturalgorithmen, das Einstellen von Gültigkeitsperioden angemessen.

Wie analysiert und verarbeitet man HTML/XML in PHP? Wie analysiert und verarbeitet man HTML/XML in PHP? Feb 07, 2025 am 11:57 AM

Dieses Tutorial zeigt, wie XML -Dokumente mit PHP effizient verarbeitet werden. XML (Extensible Markup-Sprache) ist eine vielseitige textbasierte Markup-Sprache, die sowohl für die Lesbarkeit des Menschen als auch für die Analyse von Maschinen entwickelt wurde. Es wird üblicherweise für die Datenspeicherung ein verwendet und wird häufig verwendet

PHP -Programm zum Zählen von Vokalen in einer Zeichenfolge PHP -Programm zum Zählen von Vokalen in einer Zeichenfolge Feb 07, 2025 pm 12:12 PM

Eine Zeichenfolge ist eine Folge von Zeichen, einschließlich Buchstaben, Zahlen und Symbolen. In diesem Tutorial wird lernen, wie Sie die Anzahl der Vokale in einer bestimmten Zeichenfolge in PHP unter Verwendung verschiedener Methoden berechnen. Die Vokale auf Englisch sind a, e, i, o, u und sie können Großbuchstaben oder Kleinbuchstaben sein. Was ist ein Vokal? Vokale sind alphabetische Zeichen, die eine spezifische Aussprache darstellen. Es gibt fünf Vokale in Englisch, einschließlich Großbuchstaben und Kleinbuchstaben: a, e, ich, o, u Beispiel 1 Eingabe: String = "TutorialPoint" Ausgabe: 6 erklären Die Vokale in der String "TutorialPoint" sind u, o, i, a, o, ich. Insgesamt gibt es 6 Yuan

Erklären Sie die späte statische Bindung in PHP (statisch: :). Erklären Sie die späte statische Bindung in PHP (statisch: :). Apr 03, 2025 am 12:04 AM

Statische Bindung (statisch: :) implementiert die späte statische Bindung (LSB) in PHP, sodass das Aufrufen von Klassen in statischen Kontexten anstatt Klassen zu definieren. 1) Der Analyseprozess wird zur Laufzeit durchgeführt.

Was sind PHP Magic -Methoden (__construct, __Destruct, __call, __get, __set usw.) und geben Sie Anwendungsfälle an? Was sind PHP Magic -Methoden (__construct, __Destruct, __call, __get, __set usw.) und geben Sie Anwendungsfälle an? Apr 03, 2025 am 12:03 AM

Was sind die magischen Methoden von PHP? Zu den magischen Methoden von PHP gehören: 1. \ _ \ _ Konstrukt, verwendet, um Objekte zu initialisieren; 2. \ _ \ _ Destruct, verwendet zur Reinigung von Ressourcen; 3. \ _ \ _ Call, behandeln Sie nicht existierende Methodenaufrufe; 4. \ _ \ _ GET, Implementieren Sie den dynamischen Attributzugriff; 5. \ _ \ _ Setzen Sie dynamische Attributeinstellungen. Diese Methoden werden in bestimmten Situationen automatisch aufgerufen, wodurch die Code -Flexibilität und -Effizienz verbessert werden.

See all articles