3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ObjectKeyIterator extends IteratorIterator { public function __construct(\Traversable $iterator) { parent::__construct($iterator); } public function key() { $key = parent::key(); return (object)array('key' => $key); } } foreach(new ObjectKeyIterator(new ArrayObject(array('test' => 'foo', 2,4 'bo' => 24,2))) as $key => $value) { var_dump($key, $value); }
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected ''bo'' (T_CONSTANT_ENCAPSED_STRING), expecting ')' in /in/ekPXa on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/ekPXa on line 17
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ekPXa on line 4 Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/ekPXa on line 17
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ekPXa on line 4 Parse error: parse error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ')' in /in/ekPXa on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ekPXa on line 4
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ekPXa on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/ekPXa on line 4
Process exited with code 255.
preferences:
220.82 ms | 1395 KiB | 118 Q