3v4l.org

run code in 300+ PHP versions simultaneously
<?php $unicodeChar = '\uc3ba'; $string = json_decode('"'.$unicodeChar.'"'); echo "String is $string \n"; $result = preg_match_all( '/\X/u' , $string , $matches , PREG_SET_ORDER ); echo "Result is :".$result."\n"; var_dump($matches); exit(0);
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
String is 쎺 Result is :1 array(1) { [0]=> array(1) { [0]=> string(3) "쎺" } }
Output for 5.2.1
String is \uc3ba Result is :6 array(6) { [0]=> array(1) { [0]=> string(1) "\" } [1]=> array(1) { [0]=> string(1) "u" } [2]=> array(1) { [0]=> string(1) "c" } [3]=> array(1) { [0]=> string(1) "3" } [4]=> array(1) { [0]=> string(1) "b" } [5]=> array(1) { [0]=> string(1) "a" } }
Output for 5.2.0
String is Result is :0 array(0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/IGJA7 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/IGJA7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/IGJA7 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/IGJA7 on line 4

preferences:
277.18 ms | 401 KiB | 454 Q