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<?php $x = new ArrayIterator( array( 'foo' => 1, 'bar' => 2, ) ); if ( array_key_exists( 'foo', $x ) ) { echo "PASS\n"; } else { echo "FAIL\n"; } if ( ! array_key_exists( 'baz', $x ) ) { echo "PASS\n"; } else { echo "FAIL\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, ArrayIterator given in /in/vIFPF:7 Stack trace: #0 {main} thrown in /in/vIFPF on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in /in/vIFPF on line 7 PASS Deprecated: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in /in/vIFPF on line 12 PASS
Output for 5.0.0 - 5.0.5, 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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
PASS PASS
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/vIFPF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/vIFPF on line 3

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