Online PHP editor | output for efV7v

Output for 8.3.0 - 8.3.6: Warning: Undefined array key 0 in /in/efV7v on line 4 Warning: Undefined array key 1 in /in/efV7v on line 4 Warning: Undefined array key 2 in /in/efV7v on line 4 Fatal error: Uncaught Error: preg_match(): Argument #3 ($matches) could not be passed by reference in /in/efV7v:4 Stack trace: #0 {main} thrown in /in/efV7v on line 4
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18: Warning: Undefined array key 0 in /in/efV7v on line 4 Warning: Undefined array key 1 in /in/efV7v on line 4 Warning: Undefined array key 2 in /in/efV7v on line 4 Fatal error: Uncaught Error: preg_match(): Argument #3 ($matches) cannot be passed by reference in /in/efV7v:4 Stack trace: #0 {main} thrown in /in/efV7v on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.14, 7.1.0, 7.4.0 - 7.4.6: Fatal error: Only variables can be passed by reference in /in/efV7v on line 4
Process exited with code 255.
Output for 7.0.15 - 7.0.33, 7.1.1 - 7.1.33, 7.2.0 - 7.2.31, 7.3.0 - 7.3.18: Notice: Undefined offset: 0 in /in/efV7v on line 4 Notice: Undefined offset: 1 in /in/efV7v on line 4 Notice: Undefined offset: 2 in /in/efV7v on line 4 Array ( [_GET] => Array ( ) [_POST] => Array ( ) [_COOKIE] => Array ( ) [_FILES] => Array ( ) [argv] => Array ( [0] => /in/efV7v ) [argc] => 1 [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/efV7v [SCRIPT_NAME] => /in/efV7v [SCRIPT_FILENAME] => /in/efV7v [PATH_TRANSLATED] => /in/efV7v [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1392298373.0001 [REQUEST_TIME] => 1392298373 [argv] => Array ( [0] => /in/efV7v ) [argc] => 1 ) [matches] => Array ( [0] => foobar [1] => foo [2] => bar ) [foo] => [bar] => [baz] => )
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Notice: Undefined offset: 2 in /in/efV7v on line 4 Notice: Undefined offset: 1 in /in/efV7v on line 4 Notice: Undefined offset: 0 in /in/efV7v on line 4 Array ( [_GET] => Array ( ) [_POST] => Array ( ) [_COOKIE] => Array ( ) [_FILES] => Array ( ) [argv] => Array ( [0] => /in/efV7v ) [argc] => 1 [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/efV7v [SCRIPT_NAME] => /in/efV7v [SCRIPT_FILENAME] => /in/efV7v [PATH_TRANSLATED] => /in/efV7v [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1392298373.0001 [REQUEST_TIME] => 1392298373 [argv] => Array ( [0] => /in/efV7v ) [argc] => 1 ) [matches] => Array ( [0] => foobar [1] => foo [2] => bar ) [baz] => [bar] => [foo] => )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/efV7v on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/efV7v on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/efV7v on line 3
Process exited with code 255.