PHP에서 자주 사용되는 함수 FUNCTION
<span><?</span><span>php </span><span>/** * 获取客户端IP * @return [string] [description] */</span><span> functiongetClientIp</span><span>()</span><span>{</span><span> $ip</span><span>=</span><span> NULL</span><span>;</span><span>if</span><span>(</span><span>isset</span><span>(</span><span>$_SERVER</span><span>[</span><span>'HTTP_X_FORWARDED_FOR'</span><span>]))</span><span>{</span><span> $arr</span><span>=</span><span>explode</span><span>(</span><span>','</span><span>,</span><span>$_SERVER</span><span>[</span><span>'HTTP_X_FORWARDED_FOR'</span><span>]);</span><span> $pos</span><span>=</span><span> array_search</span><span>(</span><span>'unknown'</span><span>,</span><span>$arr</span><span>);</span><span>if</span><span>(</span><span>false</span><span>!==</span><span>$pos</span><span>)</span><span> unset</span><span>(</span><span>$arr</span><span>[</span><span>$pos</span><span>]);</span><span> $ip </span><span>=</span><span> trim</span><span>(</span><span>$arr</span><span>[</span><span>0</span><span>]);</span><span>}</span><span>elseif</span><span>(</span><span>isset</span><span>(</span><span>$_SERVER</span><span>[</span><span>'HTTP_CLIENT_IP'</span><span>]))</span><span>{</span><span> $ip</span><span>=</span><span>$_SERVER</span><span>[</span><span>'HTTP_CLIENT_IP'</span><span>];</span><span>}</span><span>elseif</span><span>(</span><span>isset</span><span>(</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>]))</span><span>{</span><span> $ip</span><span>=</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>];</span><span>}</span><span>// IP地址合法验证</span><span> $ip</span><span>=</span><span>(</span><span>false</span><span>!==</span><span>ip2long</span><span>(</span><span>$ip</span><span>))</span><span>?</span><span>$ip</span><span>:</span><span>'0.0.0.0'</span><span>;</span><span>return</span><span>$ip</span><span>;</span><span>}</span><span>/** * 获取在线IP * @return String */</span><span> functiongetOnlineIp</span><span>(</span><span>$format</span><span>=</span><span>0</span><span>)</span><span>{</span><span>global</span><span>$S_GLOBAL</span><span>;</span><span>if</span><span>(</span><span>empty</span><span>(</span><span>$S_GLOBAL</span><span>[</span><span>'onlineip'</span><span>]))</span><span>{</span><span>if</span><span>(</span><span>getenv</span><span>(</span><span>'HTTP_CLIENT_IP'</span><span>)</span><span>&&</span><span>strcasecmp</span><span>(</span><span>getenv</span><span>(</span><span>'HTTP_CLIENT_IP'</span><span>),</span><span>'unknown'</span><span>))</span><span>{</span><span> $onlineip</span><span>=</span><span>getenv</span><span>(</span><span>'HTTP_CLIENT_IP'</span><span>);</span><span>}</span><span>elseif</span><span>(</span><span>getenv</span><span>(</span><span>'HTTP_X_FORWARDED_FOR'</span><span>)</span><span>&&</span><span>strcasecmp</span><span>(</span><span>getenv</span><span>(</span><span>'HTTP_X_FORWARDED_FOR'</span><span>),</span><span>'unknown'</span><span>))</span><span>{</span><span> $onlineip</span><span>=</span><span>getenv</span><span>(</span><span>'HTTP_X_FORWARDED_FOR'</span><span>);</span><span>}</span><span>elseif</span><span>(</span><span>getenv</span><span>(</span><span>'REMOTE_ADDR'</span><span>)</span><span>&&</span><span>strcasecmp</span><span>(</span><span>getenv</span><span>(</span><span>'REMOTE_ADDR'</span><span>),</span><span>'unknown'</span><span>))</span><span>{</span><span> $onlineip</span><span>=</span><span>getenv</span><span>(</span><span>'REMOTE_ADDR'</span><span>);</span><span>}</span><span>elseif</span><span>(</span><span>isset</span><span>(</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>])</span><span>&&</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>]</span><span>&&</span><span>strcasecmp</span><span>(</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>],</span><span>'unknown'</span><span>))</span><span>{</span><span> $onlineip</span><span>=</span><span>$_SERVER</span><span>[</span><span>'REMOTE_ADDR'</span><span>];</span><span>}</span><span> preg_match</span><span>(</span><span>"/[\d\.]{7,15}/"</span><span>,</span><span>$onlineip</span><span>,</span><span>$onlineipmatches</span><span>);</span><span> $S_GLOBAL</span><span>[</span><span>'onlineip'</span><span>]</span><span>=</span><span>$onlineipmatches</span><span>[</span><span>0</span><span>]</span><span>?</span><span>$onlineipmatches</span><span>[</span><span>0</span><span>]</span><span>:</span><span>'unknown'</span><span>;</span><span>}</span><span>if</span><span>(</span><span>$format</span><span>)</span><span>{</span><span> $ips</span><span>=</span><span>explode</span><span>(</span><span>'.'</span><span>,</span><span>$S_GLOBAL</span><span>[</span><span>'onlineip'</span><span>]);</span><span>for</span><span>(</span><span>$i</span><span>=</span><span>0</span><span>;</span><span>$i</span><span><</span><span>3</span><span>;</span><span>$i</span><span>++)</span><span>{</span><span> $ips</span><span>[</span><span>$i</span><span>]</span><span>=</span><span>intval</span><span>(</span><span>$ips</span><span>[</span><span>$i</span><span>]);</span><span>}</span><span> returnsprintf</span><span>(</span><span>'%03d%03d%03d'</span><span>,</span><span>$ips</span><span>[</span><span>0</span><span>],</span><span>$ips</span><span>[</span><span>1</span><span>],</span><span>$ips</span><span>[</span><span>2</span><span>]);</span><span>}</span><span>else</span><span>{</span><span>return</span><span>$S_GLOBAL</span><span>[</span><span>'onlineip'</span><span>];</span><span>}</span><span>}</span><span>/** * 获取url * @return [type] [description] */</span><span> functiongetUrl</span><span>(){</span><span> $pageURL</span><span>=</span><span>'http'</span><span>;</span><span>if</span><span>(</span><span>isset</span><span>(</span><span>$_SERVER</span><span>[</span><span>"HTTPS"</span><span>])</span><span>&&</span><span>$_SERVER</span><span>[</span><span>"HTTPS"</span><span>]</span><span>==</span><span>"on"</span><span>)</span><span>{</span><span> $pageURL</span><span>.=</span><span>"s"</span><span>;</span><span>}</span><span> $pageURL</span><span>.=</span><span>"://"</span><span>;</span><span>if</span><span>(</span><span>$_SERVER</span><span>[</span><span>"SERVER_PORT"</span><span>]</span><span>!=</span><span>"80"</span><span>)</span><span>{</span><span> $pageURL</span><span>.=</span><span>$_SERVER</span><span>[</span><span>"HTTP_HOST"</span><span>]</span><span>.</span><span>":"</span><span>.</span><span>$_SERVER</span><span>[</span><span>"SERVER_PORT"</span><span>]</span><span>.</span><span>$_SERVER</span><span>[</span><span>"REQUEST_URI"</span><span>];</span><span>}</span><span>else</span><span>{</span><span> $pageURL</span><span>.=</span><span>$_SERVER</span><span>[</span><span>"HTTP_HOST"</span><span>]</span><span>.</span><span>$_SERVER</span><span>[</span><span>"REQUEST_URI"</span><span>];</span><span>}</span><span>return</span><span>$pageURL</span><span>;</span><span>}</span><span>/** * 获取当前站点的访问路径根目录 * @return [type] [description] */</span><span> functiongetSiteUrl</span><span>()</span><span>{</span><span> $uri</span><span>=</span><span>$_SERVER</span><span>[</span><span>'REQUEST_URI'</span><span>]?</span><span>$_SERVER</span><span>[</span><span>'REQUEST_URI'</span><span>]:(</span><span>$_SERVER</span><span>[</span><span>'PHP_SELF'</span><span>]?</span><span>$_SERVER</span><span>[</span><span>'PHP_SELF'</span><span>]:</span><span>$_SERVER</span><span>[</span><span>'SCRIPT_NAME'</span><span>]);</span><span>return</span><span>'http://'</span><span>.</span><span>$_SERVER</span><span>[</span><span>'HTTP_HOST'</span><span>].</span><span>substr</span><span>(</span><span>$uri</span><span>,</span><span>0</span><span>,</span><span>strrpos</span><span>(</span><span>$uri</span><span>,</span><span>'/'</span><span>)+</span><span>1</span><span>);</span><span>}</span><span>/** * 字符串截取,支持中文和其他编码 * @param [string] $str [字符串] * @param integer $start [起始位置] * @param integer $length [截取长度] * @param string $charset [字符串编码] * @param boolean $suffix [是否有省略号] * @return [type] [description] */</span><span> functionmsubstr</span><span>(</span><span>$str</span><span>,</span><span>$start</span><span>=</span><span>0</span><span>,</span><span>$length</span><span>=</span><span>15</span><span>,</span><span>$charset</span><span>=</span><span>"utf-8"</span><span>,</span><span>$suffix</span><span>=</span><span>true</span><span>)</span><span>{</span><span>if</span><span>(</span><span>function_exists</span><span>(</span><span>"mb_substr"</span><span>))</span><span>{</span><span> returnmb_substr</span><span>(</span><span>$str</span><span>,</span><span>$start</span><span>,</span><span>$length</span><span>,</span><span>$charset</span><span>);</span><span>}</span><span>elseif</span><span>(</span><span>function_exists</span><span>(</span><span>'iconv_substr'</span><span>))</span><span>{</span><span> returniconv_substr</span><span>(</span><span>$str</span><span>,</span><span>$start</span><span>,</span><span>$length</span><span>,</span><span>$charset</span><span>);</span><span>}</span><span> $re</span><span>[</span><span>'utf-8'</span><span>]</span><span>=</span><span>"/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/"</span><span>;</span><span> $re</span><span>[</span><span>'gb2312'</span><span>]</span><span>=</span><span>"/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/"</span><span>;</span><span> $re</span><span>[</span><span>'gbk'</span><span>]</span><span>=</span><span>"/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/"</span><span>;</span><span> $re</span><span>[</span><span>'big5'</span><span>]</span><span>=</span><span>"/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/"</span><span>;</span><span> preg_match_all</span><span>(</span><span>$re</span><span>[</span><span>$charset</span><span>],</span><span>$str</span><span>,</span><span>$match</span><span>);</span><span> $slice</span><span>=</span><span> join</span><span>(</span><span>""</span><span>,</span><span>array_slice</span><span>(</span><span>$match</span><span>[</span><span>0</span><span>],</span><span>$start</span><span>,</span><span>$length</span><span>));</span><span>if</span><span>(</span><span>$suffix</span><span>)</span><span>{</span><span>return</span><span>$slice</span><span>.</span><span>"…"</span><span>;</span><span>}</span><span>return</span><span>$slice</span><span>;</span><span>}</span><span>/** * php 实现js escape 函数 * @param [type] $string [description] * @param string $encoding [description] * @return [type] [description] */</span><span> functionescape</span><span>(</span><span>$string</span><span>,</span><span>$encoding</span><span>=</span><span>'UTF-8'</span><span>){</span><span> $return</span><span>=</span><span>null</span><span>;</span><span>for</span><span>(</span><span>$x</span><span>=</span><span>0</span><span>;</span><span>$x</span><span><</span><span> mb_strlen</span><span>(</span><span>$string</span><span>,</span><span>$encoding</span><span>);</span><span>$x</span><span>++)</span><span>{</span><span> $str</span><span>=</span><span> mb_substr</span><span>(</span><span>$string</span><span>,</span><span>$x</span><span>,</span><span>1</span><span>,</span><span>$encoding</span><span>);</span><span>if</span><span>(</span><span>strlen</span><span>(</span><span>$str</span><span>)</span><span>></span><span>1</span><span>)</span><span>{</span><span>// 多字节字符</span><span> $return</span><span>.=</span><span>"%u"</span><span>.</span><span>strtoupper</span><span>(</span><span>bin2hex</span><span>(</span><span>mb_convert_encoding</span><span>(</span><span>$str</span><span>,</span><span>'UCS-2'</span><span>,</span><span>$encoding</span><span>)));</span><span>}</span><span>else</span><span>{</span><span> $return</span><span>.=</span><span>"%"</span><span>.</span><span>strtoupper</span><span>(</span><span>bin2hex</span><span>(</span><span>$str</span><span>));</span><span>}</span><span>}</span><span>return</span><span>$return</span><span>;</span><span>}</span><span>/** * php 实现 js unescape函数 * @param [type] $str [description] * @return [type] [description] */</span><span> functionunescape</span><span>(</span><span>$str</span><span>)</span><span>{</span><span> $str</span><span>=</span><span> rawurldecode</span><span>(</span><span>$str</span><span>);</span><span> preg_match_all</span><span>(</span><span>"/(?:%u.{4})|.{4};|&#\d+;|.+/U"</span><span>,</span><span>$str</span><span>,</span><span>$r</span><span>);</span><span> $ar</span><span>=</span><span>$r</span><span>[</span><span>0</span><span>];</span><span>foreach</span><span>(</span><span>$aras$k</span><span>=></span><span>$v</span><span>)</span><span>{</span><span>if</span><span>(</span><span>substr</span><span>(</span><span>$v</span><span>,</span><span>0</span><span>,</span><span>2</span><span>)</span><span>==</span><span>"%u"</span><span>){</span><span> $ar</span><span>[</span><span>$k</span><span>]</span><span>=</span><span> iconv</span><span>(</span><span>"UCS-2"</span><span>,</span><span>"utf-8//IGNORE"</span><span>,</span><span>pack</span><span>(</span><span>"H4"</span><span>,</span><span>substr</span><span>(</span><span>$v</span><span>,-</span><span>4</span><span>)));</span><span>}</span><span>elseif</span><span>(</span><span>substr</span><span>(</span><span>$v</span><span>,</span><span>0</span><span>,</span><span>3</span><span>)</span><span>==</span><span>""</span><span>)</span><span>{</span><span> $ar</span><span>[</span><span>$k</span><span>]</span><span>=</span><span> iconv</span><span>(</span><span>"UCS-2"</span><span>,</span><span>"utf-8"</span><span>,</span><span>pack</span><span>(</span><span>"H4"</span><span>,</span><span>substr</span><span>(</span><span>$v</span><span>,</span><span>3</span><span>,-</span><span>1</span><span>)));</span><span>}</span><span>elseif</span><span>(</span><span>substr</span><span>(</span><span>$v</span><span>,</span><span>0</span><span>,</span><span>2</span><span>)</span><span>==</span><span>"&#"</span><span>)</span><span>{</span><span> echosubstr</span><span>(</span><span>$v</span><span>,</span><span>2</span><span>,-</span><span>1</span><span>).</span><span>""</span><span>;</span><span> $ar</span><span>[</span><span>$k</span><span>]</span><span>=</span><span> iconv</span><span>(</span><span>"UCS-2"</span><span>,</span><span>"utf-8"</span><span>,</span><span>pack</span><span>(</span><span>"n"</span><span>,</span><span>substr</span><span>(</span><span>$v</span><span>,</span><span>2</span><span>,-</span><span>1</span><span>)));</span><span>}</span><span>}</span><span> returnjoin</span><span>(</span><span>""</span><span>,</span><span>$ar</span><span>);</span><span>}</span><span>/** * 数字转人名币 * @param [type] $num [description] * @return [type] [description] */</span><span> functionnum2rmb </span><span>(</span><span>$num</span><span>)</span><span>{</span><span> $c1</span><span>=</span><span>"零壹贰叁肆伍陆柒捌玖"</span><span>;</span><span> $c2</span><span>=</span><span>"分角元拾佰仟万拾佰仟亿"</span><span>;</span><span> $num</span><span>=</span><span>round</span><span>(</span><span>$num</span><span>,</span><span>2</span><span>);</span><span> $num</span><span>=</span><span>$num</span><span>*</span><span>100</span><span>;</span><span>if</span><span>(</span><span>strlen</span><span>(</span><span>$num</span><span>)</span><span>></span><span>10</span><span>)</span><span>{</span><span>return</span><span>"oh,sorry,the number is too long!"</span><span>;</span><span>}</span><span> $i</span><span>=</span><span>0</span><span>;</span><span> $c</span><span>=</span><span>""</span><span>;</span><span>while</span><span>(</span><span>1</span><span>)</span><span>{</span><span>if</span><span>(</span><span>$i</span><span>==</span><span>0</span><span>)</span><span>{</span><span> $n</span><span>=</span><span>substr</span><span>(</span><span>$num</span><span>,</span><span>strlen</span><span>(</span><span>$num</span><span>)-</span><span>1</span><span>,</span><span>1</span><span>);</span><span>}</span><span>else</span><span>{</span><span> $n</span><span>=</span><span>$num</span><span>%</span><span>10</span><span>;</span><span>}</span><span> $p1</span><span>=</span><span>substr</span><span>(</span><span>$c1</span><span>,</span><span>3</span><span>*</span><span>$n</span><span>,</span><span>3</span><span>);</span><span> $p2</span><span>=</span><span>substr</span><span>(</span><span>$c2</span><span>,</span><span>3</span><span>*</span><span>$i</span><span>,</span><span>3</span><span>);</span><span>if</span><span>(</span><span>$n</span><span>!=</span><span>'0'</span><span>||</span><span>(</span><span>$n</span><span>==</span><span>'0'</span><span>&&</span><span>(</span><span>$p2</span><span>==</span><span>'亿'</span><span>||</span><span>$p2</span><span>==</span><span>'万'</span><span>||</span><span>$p2</span><span>==</span><span>'元'</span><span>)))</span><span>{</span><span> $c</span><span>=</span><span>$p1</span><span>.</span><span>$p2</span><span>.</span><span>$c</span><span>;</span><span>}</span><span>else</span><span>{</span><span> $c</span><span>=</span><span>$p1</span><span>.</span><span>$c</span><span>;</span><span>}</span><span> $i</span><span>=</span><span>$i</span><span>+</span><span>1</span><span>;</span><span> $num</span><span>=</span><span>$num</span><span>/</span><span>10</span><span>;</span><span> $num</span><span>=</span><span>(</span><span>int</span><span>)</span><span>$num</span><span>;</span><span>if</span><span>(</span><span>$num</span><span>==</span><span>0</span><span>)</span><span>{</span><span>break</span><span>;</span><span>}</span><span>}</span><span> $j</span><span>=</span><span>0</span><span>;</span><span> $slen</span><span>=</span><span>strlen</span><span>(</span><span>$c</span><span>);</span><span>while</span><span>(</span><span>$j</span><span><</span><span>$slen</span><span>)</span><span>{</span><span> $m</span><span>=</span><span>substr</span><span>(</span><span>$c</span><span>,</span><span>$j</span><span>,</span><span>6</span><span>);</span><span>if</span><span>(</span><span>$m</span><span>==</span><span>'零元'</span><span>||</span><span>$m</span><span>==</span><span>'零万'</span><span>||</span><span>$m</span><span>==</span><span>'零亿'</span><span>||</span><span>$m</span><span>==</span><span>'零零'</span><span>)</span><span>{</span><span> $left</span><span>=</span><span>substr</span><span>(</span><span>$c</span><span>,</span><span>0</span><span>,</span><span>$j</span><span>);</span><span> $right</span><span>=</span><span>substr</span><span>(</span><span>$c</span><span>,</span><span>$j</span><span>+</span><span>3</span><span>);</span><span> $c</span><span>=</span><span>$left</span><span>.</span><span>$right</span><span>;</span><span> $j</span><span>=</span><span>$j</span><span>-</span><span>3</span><span>;</span><span> $slen</span><span>=</span><span>$slen</span><span>-</span><span>3</span><span>;</span><span>}</span><span> $j</span><span>=</span><span>$j</span><span>+</span><span>3</span><span>;</span><span>}</span><span>if</span><span>(</span><span>substr</span><span>(</span><span>$c</span><span>,</span><span>strlen</span><span>(</span><span>$c</span><span>)-</span><span>3</span><span>,</span><span>3</span><span>)</span><span>==</span><span>'零'</span><span>)</span><span>{</span><span> $c</span><span>=</span><span>substr</span><span>(</span><span>$c</span><span>,</span><span>0</span><span>,</span><span>strlen</span><span>(</span><span>$c</span><span>)-</span><span>3</span><span>);</span><span>}</span><span>// if there is a '0' on the end , chop it out</span><span>return</span><span>$c</span><span>.</span><span>"整"</span><span>;</span><span>}</span><span>/** * 特殊的字符 * @param [type] $str [description] * @return [type] [description] */</span><span> functionmakeSemiangle</span><span>(</span><span>$str</span><span>)</span><span>{</span><span> $arr</span><span>=</span><span>array</span><span>(</span><span>'0'</span><span>=></span><span>'0'</span><span>,</span><span>'1'</span><span>=></span><span>'1'</span><span>,</span><span>'2'</span><span>=></span><span>'2'</span><span>,</span><span>'3'</span><span>=></span><span>'3'</span><span>,</span><span>'4'</span><span>=></span><span>'4'</span><span>,</span><span>'5'</span><span>=></span><span>'5'</span><span>,</span><span>'6'</span><span>=></span><span>'6'</span><span>,</span><span>'7'</span><span>=></span><span>'7'</span><span>,</span><span>'8'</span><span>=></span><span>'8'</span><span>,</span><span>'9'</span><span>=></span><span>'9'</span><span>,</span><span>'A'</span><span>=></span><span>'A'</span><span>,</span><span>'B'</span><span>=></span><span>'B'</span><span>,</span><span>'C'</span><span>=></span><span>'C'</span><span>,</span><span>'D'</span><span>=></span><span>'D'</span><span>,</span><span>'E'</span><span>=></span><span>'E'</span><span>,</span><span>'F'</span><span>=></span><span>'F'</span><span>,</span><span>'G'</span><span>=></span><span>'G'</span><span>,</span><span>'H'</span><span>=></span><span>'H'</span><span>,</span><span>'I'</span><span>=></span><span>'I'</span><span>,</span><span>'J'</span><span>=></span><span>'J'</span><span>,</span><span>'K'</span><span>=></span><span>'K'</span><span>,</span><span>'L'</span><span>=></span><span>'L'</span><span>,</span><span>'M'</span><span>=></span><span>'M'</span><span>,</span><span>'N'</span><span>=></span><span>'N'</span><span>,</span><span>'O'</span><span>=></span><span>'O'</span><span>,</span><span>'P'</span><span>=></span><span>'P'</span><span>,</span><span>'Q'</span><span>=></span><span>'Q'</span><span>,</span><span>'R'</span><span>=></span><span>'R'</span><span>,</span><span>'S'</span><span>=></span><span>'S'</span><span>,</span><span>'T'</span><span>=></span><span>'T'</span><span>,</span><span>'U'</span><span>=></span><span>'U'</span><span>,</span><span>'V'</span><span>=></span><span>'V'</span><span>,</span><span>'W'</span><span>=></span><span>'W'</span><span>,</span><span>'X'</span><span>=></span><span>'X'</span><span>,</span><span>'Y'</span><span>=></span><span>'Y'</span><span>,</span><span>'Z'</span><span>=></span><span>'Z'</span><span>,</span><span>'a'</span><span>=></span><span>'a'</span><span>,</span><span>'b'</span><span>=></span><span>'b'</span><span>,</span><span>'c'</span><span>=></span><span>'c'</span><span>,</span><span>'d'</span><span>=></span><span>'d'</span><span>,</span><span>'e'</span><span>=></span><span>'e'</span><span>,</span><span>'f'</span><span>=></span><span>'f'</span><span>,</span><span>'g'</span><span>=></span><span>'g'</span><span>,</span><span>'h'</span><span>=></span><span>'h'</span><span>,</span><span>'i'</span><span>=></span><span>'i'</span><span>,</span><span>'j'</span><span>=></span><span>'j'</span><span>,</span><span>'k'</span><span>=></span><span>'k'</span><span>,</span><span>'l'</span><span>=></span><span>'l'</span><span>,</span><span>'m'</span><span>=></span><span>'m'</span><span>,</span><span>'n'</span><span>=></span><span>'n'</span><span>,</span><span>'o'</span><span>=></span><span>'o'</span><span>,</span><span>'p'</span><span>=></span><span>'p'</span><span>,</span><span>'q'</span><span>=></span><span>'q'</span><span>,</span><span>'r'</span><span>=></span><span>'r'</span><span>,</span><span>'s'</span><span>=></span><span>'s'</span><span>,</span><span>'t'</span><span>=></span><span>'t'</span><span>,</span><span>'u'</span><span>=></span><span>'u'</span><span>,</span><span>'v'</span><span>=></span><span>'v'</span><span>,</span><span>'w'</span><span>=></span><span>'w'</span><span>,</span><span>'x'</span><span>=></span><span>'x'</span><span>,</span><span>'y'</span><span>=></span><span>'y'</span><span>,</span><span>'z'</span><span>=></span><span>'z'</span><span>,</span><span>'('</span><span>=></span><span>'('</span><span>,</span><span>')'</span><span>=></span><span>')'</span><span>,</span><span>'〔'</span><span>=></span><span>'['</span><span>,</span><span>'〕'</span><span>=></span><span>']'</span><span>,</span><span>'【'</span><span>=></span><span>'['</span><span>,</span><span>'】'</span><span>=></span><span>']'</span><span>,</span><span>'〖'</span><span>=></span><span>'['</span><span>,</span><span>'〗'</span><span>=></span><span>']'</span><span>,</span><span>'{'</span><span>=></span><span>'{'</span><span>,</span><span>'}'</span><span>=></span><span>'}'</span><span>,</span><span>'《'</span><span>=></span><span>'<'</span><span>,</span><span>'》'</span><span>=></span><span>'>'</span><span>,</span><span>'%'</span><span>=></span><span>'%'</span><span>,</span><span>'+'</span><span>=></span><span>'+'</span><span>,</span><span>'—'</span><span>=></span><span>'-'</span><span>,</span><span>'-'</span><span>=></span><span>'-'</span><span>,</span><span>'~'</span><span>=></span><span>'-'</span><span>,</span><span>':'</span><span>=></span><span>':'</span><span>,</span><span>'。'</span><span>=></span><span>'.'</span><span>,</span><span>'、'</span><span>=></span><span>','</span><span>,</span><span>','</span><span>=></span><span>'.'</span><span>,</span><span>'、'</span><span>=></span><span>'.'</span><span>,</span><span>';'</span><span>=></span><span>';'</span><span>,</span><span>'?'</span><span>=></span><span>'?'</span><span>,</span><span>'!'</span><span>=></span><span>'!'</span><span>,</span><span>'…'</span><span>=></span><span>'-'</span><span>,</span><span>'‖'</span><span>=></span><span>'|'</span><span>,</span><span>'”'</span><span>=></span><span>'"'</span><span>,</span><span>'“'</span><span>=></span><span>'"'</span><span>,</span><span>'’'</span><span>=></span><span>'`'</span><span>,</span><span>'‘'</span><span>=></span><span>'`'</span><span>,</span><span>'|'</span><span>=></span><span>'|'</span><span>,</span><span>'〃'</span><span>=></span><span>'"'</span><span>,</span><span>' '</span><span>=></span><span>' '</span><span>,</span><span>'.'</span><span>=></span><span>'.'</span><span>);</span><span> returnstrtr</span><span>(</span><span>$str</span><span>,</span><span>$arr</span><span>);</span><span>}</span><span>/** * 下载 * @param [type] $filename [description] * @param string $dir [description] * @return [type] [description] */</span><span> functiondownloads</span><span>(</span><span>$filename</span><span>,</span><span>$dir</span><span>=</span><span>'./'</span><span>){</span><span> $filepath</span><span>=</span><span>$dir</span><span>.</span><span>$filename</span><span>;</span><span>if</span><span>(!</span><span>file_exists</span><span>(</span><span>$filepath</span><span>)){</span><span> header</span><span>(</span><span>"Content-type: text/html; charset=utf-8"</span><span>);</span><span> echo</span><span>"File not found!"</span><span>;</span><span>exit</span><span>;</span><span>}</span><span>else</span><span>{</span><span> $file</span><span>=</span><span>fopen</span><span>(</span><span>$filepath</span><span>,</span><span>"r"</span><span>);</span><span>Header</span><span>(</span><span>"Content-type: application/octet-stream"</span><span>);</span><span>Header</span><span>(</span><span>"Accept-Ranges: bytes"</span><span>);</span><span>Header</span><span>(</span><span>"Accept-Length: "</span><span>.</span><span>filesize</span><span>(</span><span>$filepath</span><span>));</span><span>Header</span><span>(</span><span>"Content-Disposition: attachment; filename="</span><span>.</span><span>$filename</span><span>);</span><span> echofread</span><span>(</span><span>$file</span><span>,</span><span>filesize</span><span>(</span><span>$filepath</span><span>));</span><span> fclose</span><span>(</span><span>$file</span><span>);</span><span>}</span><span>}</span><span>/** * 创建一个目录树 * @param [type] $dir [description] * @param integer $mode [description] * @return [type] [description] */</span><span> functionmkdirs</span><span>(</span><span>$dir</span><span>,</span><span>$mode</span><span>=</span><span>0777</span><span>)</span><span>{</span><span>if</span><span>(!</span><span>is_dir</span><span>(</span><span>$dir</span><span>))</span><span>{</span><span> mkdirs</span><span>(</span><span>dirname</span><span>(</span><span>$dir</span><span>),</span><span>$mode</span><span>);</span><span> returnmkdir</span><span>(</span><span>$dir</span><span>,</span><span>$mode</span><span>);</span><span>}</span><span> returntrue</span><span>;</span><span>}</span><span>3.</span><span>[代码]</span><span>curl functionxcurl</span><span>(</span><span>$url</span><span>,</span><span>$ref</span><span>=</span><span>null</span><span>,</span><span>$post</span><span>=</span><span>array</span><span>(),</span><span>$ua</span><span>=</span><span>"Mozilla/5.0 (X11; Linux x86_64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre"</span><span>,</span><span>$print</span><span>=</span><span>false</span><span>)</span><span>{</span><span> $ch</span><span>=</span><span> curl_init</span><span>();</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_AUTOREFERER</span><span>,</span><span>true</span><span>);</span><span>if</span><span>(!</span><span>empty</span><span>(</span><span>$ref</span><span>))</span><span>{</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_REFERER</span><span>,</span><span>$ref</span><span>);</span><span>}</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_URL</span><span>,</span><span>$url</span><span>);</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_HEADER</span><span>,</span><span>0</span><span>);</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_FOLLOWLOCATION</span><span>,</span><span>1</span><span>);</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_RETURNTRANSFER</span><span>,</span><span>1</span><span>);</span><span>if</span><span>(!</span><span>empty</span><span>(</span><span>$ua</span><span>))</span><span>{</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_USERAGENT</span><span>,</span><span>$ua</span><span>);</span><span>}</span><span>if</span><span>(</span><span>count</span><span>(</span><span>$post</span><span>)</span><span>></span><span>0</span><span>){</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_POST</span><span>,</span><span>1</span><span>);</span><span> curl_setopt</span><span>(</span><span>$ch</span><span>,</span><span> CURLOPT_POSTFIELDS</span><span>,</span><span>$post</span><span>);</span><span>}</span><span> $output</span><span>=</span><span> curl_exec</span><span>(</span><span>$ch</span><span>);</span><span> curl_close</span><span>(</span><span>$ch</span><span>);</span><span>if</span><span>(</span><span>$print</span><span>)</span><span>{</span><span>print</span><span>(</span><span>$output</span><span>);</span><span>}</span><span>else</span><span>{</span><span>return</span><span>$output</span><span>;</span><span>}</span><span>}</span><span>4.</span><span>[代码]日期时间函数</span><span>/** * 根据一个时间戳得到详细信息 * @param [type] $time [时间戳] * @return [type] * @author [yangsheng@yahoo.com] */</span><span> functiongetDateInfo</span><span>(</span><span>$time</span><span>){</span><span> $day_of_week_cn</span><span>=</span><span>array</span><span>(</span><span>"日"</span><span>,</span><span>"一"</span><span>,</span><span>"二"</span><span>,</span><span>"三"</span><span>,</span><span>"四"</span><span>,</span><span>"五"</span><span>,</span><span>"六"</span><span>);</span><span>//中文星期</span><span> $week_of_month_cn</span><span>=</span><span>array</span><span>(</span><span>''</span><span>,</span><span>'第1周'</span><span>,</span><span>'第2周'</span><span>,</span><span>'第3周'</span><span>,</span><span>'第4周'</span><span>,</span><span>'第5周'</span><span>,</span><span>'第6周'</span><span><span>);</span><span>#本月第几周</span></span><span> $tenDays</span><span>=</span><span> getTenDays</span><span>(</span><span>date</span><span>(</span><span>'j'</span><span>,</span><span>$time</span><span>));</span><span>#获得旬</span><span> $quarter</span><span>=</span><span> getQuarter</span><span>(</span><span>date</span><span>(</span><span>'n'</span><span>,</span><span>$time</span><span>),</span><span>date</span><span>(</span><span>'Y'</span><span>,</span><span>$time</span><span><span>));</span><span>#</span></span><span><span>获取季度</span></span><span> $dimDate</span><span>=</span><span>array</span><span>(</span><span>'date_key'</span><span>=></span><span>strtotime</span><span>(</span><span>date</span><span>(</span><span>'Y-m-d'</span><span>,</span><span>$time</span><span>)),</span><span>#日期时间戳</span><span>'date_day'</span><span>=></span><span>date</span><span>(</span><span>'Y-m-d'</span><span>,</span><span>$time</span><span>),</span><span>#日期YYYY-MM-DD</span><span>'current_year'</span><span>=></span><span>date</span><span>(</span><span>'Y'</span><span>,</span><span>$time</span><span><span>),</span><span>#数字年</span></span><span>'current_quarter'</span><span>=></span><span>$quarter</span><span>[</span><span>'current_quarter'</span><span>],</span><span>#季度</span><span>'quarter_cn'</span><span>=></span><span>$quarter</span><span>[</span><span>'quarter_cn'</span><span>],</span><span>'current_month'</span><span>=></span><span>date</span><span>(</span><span>'n'</span><span>,</span><span>$time</span><span><span>),</span><span>#月</span></span><span>'month_cn'</span><span>=></span><span>date</span><span>(</span><span>'Y-m'</span><span>,</span><span>$time</span><span>),</span><span>#月份</span><span>'tenday_of_month'</span><span>=></span><span>$tenDays</span><span>[</span><span>'tenday_of_month'</span><span><span>],</span><span>#数字旬</span></span><span>'tenday_cn'</span><span>=></span><span>$tenDays</span><span>[</span><span>'tenday_cn'</span><span><span>],</span><span>#中文旬</span></span><span>'week_of_month'</span><span>=></span><span>ceil</span><span>(</span><span>date</span><span>(</span><span>'j'</span><span>,</span><span>$time</span><span>)/</span><span>7</span><span>),</span><span>#本月第几周</span><span>'week_of_month_cn'</span><span>=></span><span>$week_of_month_cn</span><span>[</span><span>ceil</span><span>(</span><span>date</span><span>(</span><span>'j'</span><span>,</span><span>$time</span><span>)/</span><span>7</span><span><span>)],</span><span>#中文当月第几周</span></span><span>'day_of_year'</span><span>=></span><span>date</span><span>(</span><span>'z'</span><span>,</span><span>$time</span><span>)+</span><span>1</span><span>,</span><span>#年份中的第几天</span><span>'day_of_month'</span><span>=></span><span>date</span><span>(</span><span>'j'</span><span>,</span><span>$time</span><span><span>),</span><span>#得到几号</span></span><span>'day_of_week'</span><span>=></span><span>date</span><span>(</span><span>'w'</span><span>,</span><span>$time</span><span>)></span><span>0</span><span>?</span><span>date</span><span>(</span><span>'w'</span><span>,</span><span>$time</span><span>):</span><span>7</span><span><span>,</span><span>#星期几</span></span><span>'day_of_week_cn'</span><span>=></span><span>'星期'</span><span>.</span><span>$day_of_week_cn</span><span>[</span><span>date</span><span>(</span><span>'w'</span><span>,</span><span>$time</span><span>)],</span><span>);</span><span>return</span><span>$dimDate</span><span>;</span><span>}</span><span>/** * 获得日期是上中下旬 * @param [int] $j [几号] * @return [array] [description] * @author [yangsheng@yahoo.com] */</span><span> functiongetTenDays</span><span>(</span><span>$j</span><span>)</span><span>{</span><span> $j</span><span>=</span><span>intval</span><span>(</span><span>$j</span><span>);</span><span>if</span><span>(</span><span>$j</span><span><</span><span>1</span><span>||</span><span>$j</span><span>></span><span>31</span><span>){</span><span> returnfalse</span><span><span>;</span><span>#不是日期</span></span><span>}</span><span> $tenDays</span><span>=</span><span>ceil</span><span>(</span><span>$j</span><span>/</span><span>10</span><span>);</span><span>switch</span><span>(</span><span>$tenDays</span><span>)</span><span>{</span><span> case1</span><span><span>:</span><span>#上旬</span></span><span> returnarray</span><span>(</span><span>'tenday_of_month'</span><span>=></span><span>1</span><span>,</span><span>'tenday_cn'</span><span>=></span><span>'上旬'</span><span>,);</span><span>break</span><span>;</span><span> case2</span><span><span>:</span><span>#中旬</span></span><span> returnarray</span><span>(</span><span>'tenday_of_month'</span><span>=></span><span>2</span><span>,</span><span>'tenday_cn'</span><span>=></span><span>'中旬'</span><span>,);</span><span>break</span><span>;</span><span>default</span><span><span>:</span><span>#下旬</span></span><span> returnarray</span><span>(</span><span>'tenday_of_month'</span><span>=></span><span>3</span><span>,</span><span>'tenday_cn'</span><span>=></span><span>'下旬'</span><span>,);</span><span>break</span><span>;</span><span>}</span><span> returnfalse</span><span>;</span><span>}</span><span>/** * 根据月份获得当前第几季度 * @param [int] $n [月份] * @param [int] $y [年] * @return [array] [description] */</span><span> functiongetQuarter</span><span>(</span><span>$n</span><span>,</span><span>$y</span><span>=</span><span>null</span><span>){</span><span> $n</span><span>=</span><span>intval</span><span>(</span><span>$n</span><span>);</span><span>if</span><span>(</span><span>$n</span><span><</span><span>1</span><span>||</span><span>$n</span><span>></span><span>12</span><span>){</span><span> returnfalse</span><span>;</span><span>#不是月份</span><span>}</span><span> $quarter</span><span>=</span><span>ceil</span><span>(</span><span>$n</span><span>/</span><span>3</span><span>);</span><span>switch</span><span>(</span><span>$quarter</span><span>)</span><span>{</span><span> case1</span><span>:</span><span>#第一季度</span><span> returnarray</span><span>(</span><span>'current_quarter'</span><span>=></span><span>1</span><span>,</span><span>'quarter_cn'</span><span>=></span><span>$y</span><span>?</span><span>$y</span><span>.</span><span>'-Q1'</span><span>:</span><span>'Q1'</span><span>);</span><span>break</span><span>;</span><span> case2</span><span>:</span><span>#第二季度</span><span> returnarray</span><span>(</span><span>'current_quarter'</span><span>=></span><span>2</span><span>,</span><span>'quarter_cn'</span><span>=></span><span>$y</span><span>?</span><span>$y</span><span>.</span><span>'-Q2'</span><span>:</span><span>'Q2'</span><span>);</span><span>break</span><span>;</span><span> case3</span><span>:</span><span>#第三季度</span><span> returnarray</span><span>(</span><span>'current_quarter'</span><span>=></span><span>3</span><span>,</span><span>'quarter_cn'</span><span>=></span><span>$y</span><span>?</span><span>$y</span><span>.</span><span>'-Q3'</span><span>:</span><span>'Q3'</span><span>);</span><span>break</span><span>;</span><span> case4</span><span>:</span><span>#第四季度</span><span> returnarray</span><span>(</span><span>'current_quarter'</span><span>=></span><span>4</span><span>,</span><span>'quarter_cn'</span><span>=></span><span>$y</span><span>?</span><span>$y</span><span>.</span><span>'-Q4'</span><span>:</span><span>'Q4'</span><span>);</span><span>break</span><span>;</span><span>}</span><span> returnfalse</span><span>;</span><span>}</span>
<span>网站地址:http://www.5k5c.com/blog/175</span>
위 내용은 PHP의 공통 기능인 FUNCTION을 소개하고 관련 내용을 포함하여 PHP 튜토리얼에 관심이 있는 친구들에게 도움이 되기를 바랍니다.

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많은 사용자들이 스마트 시계를 선택할 때 Huawei 브랜드를 선택하게 됩니다. 그 중 Huawei GT3pro와 GT4가 가장 인기 있는 선택입니다. 두 제품의 차이점을 궁금해하는 사용자가 많습니다. Huawei GT3pro와 GT4의 차이점은 무엇입니까? 1. 외관 GT4: 46mm와 41mm, 재질은 유리 거울 + 스테인레스 스틸 본체 + 고해상도 섬유 후면 쉘입니다. GT3pro: 46.6mm 및 42.9mm, 재질은 사파이어 유리 + 티타늄 본체/세라믹 본체 + 세라믹 백 쉘입니다. 2. 건강한 GT4: 최신 Huawei Truseen5.5+ 알고리즘을 사용하면 결과가 더 정확해집니다. GT3pro: ECG 심전도, 혈관 및 안전성 추가

C 언어에서 return의 사용법은 다음과 같습니다. 1. 반환 값 유형이 void인 함수의 경우 return 문을 사용하여 함수 실행을 조기에 종료할 수 있습니다. 2. 반환 값 유형이 void가 아닌 함수의 경우 return 문은 함수 실행을 종료하는 것입니다. 결과는 호출자에게 반환됩니다. 3. 함수 실행을 조기에 종료합니다. 함수 내부에서는 return 문을 사용하여 함수 실행을 조기에 종료할 수 있습니다. 함수가 값을 반환하지 않는 경우.

WindowsServerBackup은 WindowsServer 운영 체제와 함께 제공되는 기능으로, 사용자가 중요한 데이터 및 시스템 구성을 보호하고 중소기업 및 대기업 수준의 기업에 완벽한 백업 및 복구 솔루션을 제공하도록 설계되었습니다. Server2022 이상을 실행하는 사용자만 이 기능을 사용할 수 있습니다. 이 문서에서는 WindowsServerBackup을 설치, 제거 또는 재설정하는 방법을 설명합니다. Windows Server 백업을 재설정하는 방법 서버 백업에 문제가 있거나 백업에 너무 오랜 시간이 걸리거나 저장된 파일에 액세스할 수 없는 경우 Windows Server 백업 설정을 재설정하는 것을 고려할 수 있습니다. Windows를 재설정하려면

소스 코드: publicclassReturnFinallyDemo{publicstaticvoidmain(String[]args){System.out.println(case1());}publicstaticintcase1(){intx;try{x=1;returnx;}finally{x=3;}}}# 출력 위 코드의 출력은 간단히 결론을 내릴 수 있습니다. return은 finally 전에 실행됩니다. 바이트코드 수준에서 무슨 일이 일어나는지 살펴보겠습니다. 다음은 case1 메소드의 바이트코드 일부를 가로채서 소스 코드를 비교하여 각 명령어의 의미를 주석으로 표시합니다.

Windows 11에서 캡처 도구가 작동하지 않는 이유 문제의 근본 원인을 이해하면 올바른 솔루션을 찾는 데 도움이 될 수 있습니다. 캡처 도구가 제대로 작동하지 않는 주요 이유는 다음과 같습니다. 초점 도우미가 켜져 있습니다. 이렇게 하면 캡처 도구가 열리지 않습니다. 손상된 응용 프로그램: 캡처 도구가 실행 시 충돌하는 경우 응용 프로그램이 손상되었을 수 있습니다. 오래된 그래픽 드라이버: 호환되지 않는 드라이버가 캡처 도구를 방해할 수 있습니다. 다른 응용 프로그램의 간섭: 실행 중인 다른 응용 프로그램이 캡처 도구와 충돌할 수 있습니다. 인증서가 만료되었습니다. 업그레이드 프로세스 중 오류로 인해 이 문제가 발생할 수 있습니다. 이 문제는 대부분의 사용자에게 적합하며 특별한 기술 지식이 필요하지 않습니다. 1. Windows 및 Microsoft Store 앱 업데이트

Microsoft는 Windows Server 빌드 26040 버전을 출시하면서 제품의 공식 이름을 Windows Server 2025로 발표했습니다. Windows11WindowsInsiderCanaryChannel 버전 build26040도 출시되었습니다. 일부 친구들은 수년 전에 누군가 Windows NT를 워크스테이션 모드에서 서버 모드로 성공적으로 전환하여 다양한 버전의 Microsoft 운영 체제 간의 공통점을 보여주었다는 것을 아직도 기억할 것입니다. 마이크로소프트의 현재 서버 운영체제 버전과 윈도우 11 사이에는 뚜렷한 차이가 있지만, 세부 사항에 주목하는 사람들은 윈도우 서버가 왜 브랜드를 업데이트했는지,

1부: 초기 문제 해결 단계 Apple 시스템 상태 확인: 복잡한 솔루션을 살펴보기 전에 기본 사항부터 시작해 보겠습니다. 문제는 귀하의 기기에 있는 것이 아닐 수도 있습니다. Apple 서버가 다운되었을 수도 있습니다. Apple의 시스템 상태 페이지를 방문하여 AppStore가 제대로 작동하는지 확인하세요. 문제가 있는 경우 Apple이 문제를 해결하기를 기다리는 것뿐입니다. 인터넷 연결 확인: "AppStore에 연결할 수 없음" 문제는 때때로 연결 불량으로 인해 발생할 수 있으므로 인터넷 연결이 안정적인지 확인하십시오. Wi-Fi와 모바일 데이터 간을 전환하거나 네트워크 설정을 재설정해 보세요(일반 > 재설정 > 네트워크 설정 재설정 > 설정). iOS 버전을 업데이트하세요.

nginx의 기본 이름을 수정하는 방법은 조금 위장하거나 설치할 수 있습니다. 팁: 일반적으로 수정은 nginx가 컴파일되기 전에 이루어집니다. 수정 후에는 scr/core/nginx.conf#definenginx_version"1.4.7"#definenginx_ver"nginx/"n과 같이 코드를 다시 컴파일해야 합니다.
