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<?php function checkArray($array) { return (count($array) === 0) ? "" : $array; } $yourArray = array('arr1','arr2','','arr4','arr5'); $yourArray = checkArray($yourArray); var_dump(yourArray);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "yourArray" in /in/hoU2Z:10 Stack trace: #0 {main} thrown in /in/hoU2Z on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant yourArray - assumed 'yourArray' (this will throw an Error in a future version of PHP) in /in/hoU2Z on line 10 string(9) "yourArray"
Output for 4.3.0 - 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, 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 - 7.1.25
Notice: Use of undefined constant yourArray - assumed 'yourArray' in /in/hoU2Z on line 10 string(9) "yourArray"

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