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<?php class Foo { public static function bar($type = 0) { if ($type == 0) { return array('a'=>'abcedfg'); } else { return array('a' => '1234567890'); } } } var_dump(array_pop(Foo::bar()));
Output for 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Notice: Only variables should be passed by reference in /in/jKXpb on line 12 string(7) "abcedfg"
Output for 5.0.0 - 5.0.4, 7.3.32 - 7.3.33
string(7) "abcedfg"
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/jKXpb on line 12 string(7) "abcedfg"
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/jKXpb on line 12
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/jKXpb 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/jKXpb on line 3
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/jKXpb on line 3
Process exited with code 255.

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