$serial_str= preg_replace(‘!s:(\d+):"(.*?)";!se‘, "‘s:‘.strlen(‘$2‘).‘:\"$2\";‘", $v[‘new_data‘] );
$serial_str= str_replace("\r", "", $serial_str);
$arr = unserialize($serial_str);
$serial_str= preg_replace(‘!s:(\d+):"(.*?)";!se‘, "‘s:‘.strlen(‘$2‘).‘:\"$2\";‘", $v[‘new_data‘] );
$serial_str= str_replace("\r", "", $serial_str);
$arr = unserialize($serial_str);原文：https://www.cnblogs.com/afei-happy/p/8358788.html