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<?php function escape($string){ if(is_array($string)){ foreach($string as $key => $val){ unset($string[$key]); $string[escape($key)] = escape($val); } }else{ $string = preg_replace("(['\"\x00\\\x1a])","\\\1",$string); } return $string; } $x = "as'd"; print_r(escape($x));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
as\d
Output for 5.4.7 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: preg_replace(): Null byte in regex in /in/5mNaI on line 10
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.6
Warning: preg_replace(): No ending matching delimiter ')' found in /in/5mNaI on line 10
Output for 4.3.0 - 4.3.10
Warning: No ending matching delimiter ')' found in /in/5mNaI on line 10

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304.21 ms | 401 KiB | 459 Q