php smarty function extension_PHP tutorial

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Release: 2016-07-21 15:39:39
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中文截取 modifier.cn_truncate.php

复制代码 代码如下:

function smarty_modifier_cn_truncate($string, $strlen = 20, $etc = '...',
$keep_first_style = false)
{
$strlen = $strlen*2;
$string = trim($string);
if ( strlen($string) <= $strlen ) {
return $string;
}
$str = strip_tags($string);
$j = 0;
for($i=0;$i<$strlen;$i++) {
if(ord(substr($str,$i,1))>0xa0) $j++;
}
if($j%2!=0) $strlen++;
$rstr=substr($str,0,$strlen);
if (strlen($str)>$strlen ) {$rstr .= $etc;}
if ( $keep_first_style == true && ereg('^<(.*)>$',$string) ) {
if ( strlen($str) <= $strlen ) {
return $string;
}
$start_pos = strpos($string,substr($str,0,4));
$end_pos = strpos($string,substr($str,-4));
$end_pos = $end_pos+4;
$rstr = substr($string,0,$start_pos) . $rstr . substr($string,$end_pos,strlen($string));
}
return $rstr;
}

modifier.ubb.php
复制代码 代码如下:

function smarty_modifier_ubb($str) {
$ubbs['quote'][0] = '/[quote](.*?)[/quote]/s';
$ubbs['quote'][1] = '
引用:
1
';
$ubbs['b'][0] = '/[b](.*?)[/b]/s';
$ubbs['b'][1] = '1';
$ubbs['i'][0] = '/[i](.*?)[/i]/s';
$ubbs['i'][1] = '1';
$ubbs['u'][0] = '/[u](.*?)[/u]/s';
$ubbs['u'][1] = '1';
$ubbs['li'][0] = '/[li](.*?)[/li]/s';
$ubbs['li'][1] = '
  • 1
  • ';
    $ubbs['img'][0] = '/[img](.*?)[/img]/s';
    $ubbs['img'][1] = '';
    $ubbs['img2'][0] = '/[img=([^,]+),([^]]+)](.*?)[/img]/s';
    $ubbs['img2'][1] = '';
    $ubbs['url'][0] = '/[url](.*?)[/url]/s';
    $ubbs['url'][1] = '1';
    $ubbs['url2'][0] = '/[url=([^]]+)](.*?)[/url]/s';
    $ubbs['url2'][1] = '2';
    $ubbs['email'][0] = '/[email=([^]]+)](.*?)[/email]/s';
    $ubbs['email'][1] = '2';
    $ubbs['qq'][0] = '/[qq]([0-9]{5,10})[/qq]/s';
    $ubbs['qq'][1] = '点击这里给我发消息';
    $ubbs['color'][0] = '/[color=([^]]+)](.*?)[/color]/s';
    $ubbs['color'][1] = '2';
    $ubbs['font'][0] = '/[font=([^]]+)](.*?)[/font]/s';
    $ubbs['font'][1] = '2';
    $ubbs['size'][0] = '/[size=([0-9]+)](.*?)[/size]/s';
    $ubbs['size'][1] = '2';
    $ubbs['sizept'][0] = '/[size=([0-9,pt]+)](.*?)[/size]/s';
    $ubbs['sizept'][1] = '2';
    $ubbs['align'][0] = '/[align=([^]]+)](.*?)[/align]/s';
    $ubbs['align'][1] = '
    2';
    $ubbs['media'][0] = '/[media](.*?)[/media]/s';
    $ubbs['media'][1] = '';
    $ubbs['list'][0] = '/[list](.*?)[/list]/s';
    $ubbs['list'][1] = '
      1
    ';
    $ubbs['list2'][0] = '/[list=([0-9]+)](.*?)[/list]/s';
    $ubbs['list2'][1] = '
      2
    ';
    $ubbs['indent'][0] = '/[indent](.*?)[/indent]/s';
    $ubbs['indent'][1] = '
    1';
    $ubbs['table'][0] = '/[table([=,0-9,%]*)](.*?)[/table]/s';
    $ubbs['table'][1] = '2';
    $ubbs['tr'][0] = '/[tr](.*?)[/tr]/s';
    $ubbs['tr'][1] = '1';
    $ubbs['td'][0] = '/[td](.*?)[/td]/s';
    $ubbs['td'][1] = '
     1';
    $ubbs['td2'][0] = '/[td([^(]|[)]+)](.*?)[/td]/s';
    $ubbs['td2'][1] = '
     2';
    $str = str_replace('[*]','
  • ',$str);
    foreach ($ubbs as $ubb){
    $str = ubb_replace($ubb[0],$ubb[1],$str);
    }
    return $str;
    }
    function ubb_replace($pattern,$replacement,$str){
    do {
    $str_ret = $str;
    $str = preg_replace($pattern,$replacement,$str);
    }while($$str);
    return $str_ret;
    }
    ?>

    编码 modifier.unescape.php
    复制代码 代码如下:

    function smarty_modifier_unescape($str)
    {
    $str = rawurldecode($str);
    preg_match_all("/(?:%u.{4})|[^%]+/",$str,$r);
    $ar = $r[0];
    foreach($ar as $k=>$v) {
    if(substr($v,0,2) == "%u" && strlen($v) == 6)
    $ar[$k] = iconv("UCS-2","GB2312",@pack("H4",substr($v,-4)));
    }
    return join("",$ar);
    }

    www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321504.htmlTechArticleChinese intercept modifier.cn_truncate.php Copy the code as follows: function smarty_modifier_cn_truncate($string, $strlen = 20, $ etc = '...', $keep_first_style = false) { $strlen = $s...
    source:php.cn
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