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<?php $a = unserialize(''); if (!in_array('foo', $a)) { print 'TRUEISH'; }
Output for 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, false given in /in/M9SnD:4 Stack trace: #0 /in/M9SnD(4): in_array('foo', false) #1 {main} thrown in /in/M9SnD on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17
Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, bool given in /in/M9SnD:4 Stack trace: #0 /in/M9SnD(4): in_array('foo', false) #1 {main} thrown in /in/M9SnD on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: in_array() expects parameter 2 to be array, bool given in /in/M9SnD on line 4 TRUEISH
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: in_array() expects parameter 2 to be array, boolean given in /in/M9SnD on line 4 TRUEISH
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: in_array(): Wrong datatype for second argument in /in/M9SnD on line 4 TRUEISH
Output for 4.3.0 - 4.3.1
Warning: in_array() [http://www.php.net/function.in-array]: Wrong datatype for second argument in /in/M9SnD on line 4 TRUEISH

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