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run code in 150+ php & hhvm versions
Bugs & Features
<?php function getParent($child=null) { //mock: return array( (object)(array('user'=>'foo', 'data'=>'fee')), (object)(array('user'=>'far', 'data'=>'bee')), ); }; $result = array_shift(array_intersect_key(getParent('baz'), array(null)))->user; var_dump($result);
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/327IF on line 13 string(3) "foo"
Output for hhvm-3.10.0 - 3.12.0
string(3) "foo"
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/327IF on line 13 string(3) "foo"
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/327IF 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/327IF on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/327IF on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/327IF on line 13
Process exited with code 255.