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<?php //The values in this arrays contains the names of the indexes (keys) that should exist in the data array $required = array('key1', 'key2', 'key3' ); $data = array( 'key1' => 10, 'key2' => 20, 'key3' => 30, 'key4' => 40 ); if(count(array_intersect_key(array_flip($required), $data)) === count($required)) { //All required keys exist! }
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, 5.5.0 - 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/cmE8t on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/cmE8t on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/cmE8t on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/cmE8t on line 13
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346.1 ms | 401 KiB | 459 Q