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ÀýÈç:  $s='s:56:" <a href="cp.php?ac=task&taskid=7">ÁìȡÿÈÕ»ý·Ö´óÀñ°ü </a>"dfdfdfds';
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      $s='" <a href="cp.php?ac=task&taskid=7">ÁìȡÿÈÕ»ý·Ö´óÀñ°ü </a>"'
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PHP code:

$s=preg_replace('/".*"/','$1',$s);



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$s=preg_replace('/(".*")/','$1',$s);
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's:56:" <a href="cp.php?ac=task&taskid=7">ÁìȡÿÈÕ»ý·Ö´óÀñ°ü </a>"dfdfdfds';
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" <a href="cp.php?ac=task&taskid=7">ÁìȡÿÈÕ»ý·Ö´óÀñ°ü </a>"

PHP code:

$s=preg_replace('/^[^"]*\"|\"[^"]*$/','','s:56:" <a href="cp.php?ac=task&taskid=7">ÁìȡÿÈÕ»ý·Ö´óÀñ°ü </a>"dfdfdfds');
echo $s;




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