3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getParent($child=null) { //mock: return array( (object)(array('user'=>'foo', 'data'=>'fee')), (object)(array('user'=>'far', 'data'=>'bee')), ); }; $result = array_shift(array_intersect_key(getParent('baz'), array(null)))->user;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 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 - 8.3.6
Notice: Only variables should be passed by reference in /in/V433j on line 13
Output for 7.3.32 - 7.3.33
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/V433j on line 13
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/V433j on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/V433j on line 13
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_OBJECT_OPERATOR in /in/V433j on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/V433j on line 13
Process exited with code 255.
preferences:
193.98 ms | 401 KiB | 355 Q