3v4l.org

run code in 300+ PHP versions simultaneously
<?php function serializeContext($default, $optional) { return "'" . implode("', '", array_merge( $default, $optional )) . "'" ; } $a = array('test1', 'test2', 'test4'); $b = array('test3'); //var_dump(serializeContext($a, $b)); echo array_reduce($a, function($carry, $next){ return array($carry . $next); }, '');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Array to string conversion in /in/7uNid on line 17 Warning: Array to string conversion in /in/7uNid on line 17 Warning: Array to string conversion in /in/7uNid on line 19 Array
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/7uNid on line 17 Notice: Array to string conversion in /in/7uNid on line 17 Notice: Array to string conversion in /in/7uNid on line 19 Array
Output for 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
Array
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/7uNid on line 16
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 T_FUNCTION in /in/7uNid on line 16
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7uNid on line 16
Process exited with code 255.
preferences:
281.84 ms | 401 KiB | 354 Q