Home  >  Article  >  Backend Development  >  preg_replace_callback轮换preg_replace

preg_replace_callback轮换preg_replace

WBOY
WBOYOriginal
2016-06-13 12:04:401151browse

preg_replace_callback替换preg_replace
$tem =   $arr['invoice_type'];
echo "

";<br>print_r($tem);<br>输出<br>a:2:{s:4:"type";a:3:{i:0;s:8:"个人发票";i:1;s:8:"企业发票";i:2;s:0:"";}s:4:"rate";a:3:{i:0;d:6;i:1;d:6;i:2;d:0;}}<br><br>$teem []= preg_replace('!s:(\d+):"(.*?)";!se', "'s:'.strlen('$2').':\"$2\";'", $arr['invoice_type'] );<br>echo "<pre class="brush:php;toolbar:false">";<br>print_r($teem);<br>输出<br>Array<br>(<br>    [0] => a:2:{'s:'.strlen('type').':"type";'a:3:{i:0;'s:'.strlen('个人发票').':"个人发票";'i:1;'s:'.strlen('企业发票').':"企业发票";'i:2;'s:'.strlen('').':"";'}'s:'.strlen('rate').':"rate";'a:3:{i:0;d:6;i:1;d:6;i:2;d:0;}}<br>)<br><br>$teemm []= preg_replace_callback('!s:(\d+):"(.*?)";!s', function ($matches) {return strlen('$2').':\"$2\";';}, $arr['invoice_type'] );<br>echo "<pre class="brush:php;toolbar:false">";<br>print_r($teemm);<br>输出<br>Array<br>(<br>    [0] => a:2:{2:\"$2\";a:3:{i:0;2:\"$2\";i:1;2:\"$2\";i:2;2:\"$2\";}2:\"$2\";a:3:{i:0;d:6;i:1;d:6;i:2;d:0;}}<br>)<br><br>如何让preg_replace_callback输出的信息和preg_replace输出的一样<br><font color="#FF8000">------解决方案--------------------</font><br><pre class="brush: php">$s = preg_replace_callback('/s:\d+:"(.+?)";/s',<br />		function($r) {<br />			$n = strlen($r[1]);<br />			return "s:$n:\"$r[1]\";";<br />		}, $s);<br />
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article:$results = [],该如何解决Next article:phpexcel出错