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<?php $array = array( 'foo' => 'bar', 'baz' => 'foobar' ); var_dump(array_key_exists(array('foo', 'baz'), $array));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type array on array in /in/tjNrl:8 Stack trace: #0 {main} thrown in /in/tjNrl on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: Illegal offset type in /in/tjNrl:8 Stack trace: #0 {main} thrown in /in/tjNrl on line 8
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_key_exists(): The first argument should be either a string or an integer in /in/tjNrl on line 8 bool(false)
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Warning</b>: array_key_exists() [<a href='function.array-key-exists'>function.array-key-exists</a>]: The first argument should be either a string or an integer in <b>/in/tjNrl</b> on line <b>8</b><br /> bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
<br /> <b>Warning</b>: array_key_exists(): The first argument should be either a string or an integer in <b>/in/tjNrl</b> on line <b>8</b><br /> bool(false)
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: array_key_exists() [<a href='http://www.php.net/function.array-key-exists'>function.array-key-exists</a>]: The first argument should be either a string or an integer in <b>/in/tjNrl</b> on line <b>8</b><br /> bool(false)
preferences:
318.87 ms | 402 KiB | 460 Q