3v4l.org

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<?php $array1 = []; $array2 = []; $array1[] = [ "b" => "sky", ]; $array2[] = [ "b" => "moon", ]; if (array_search(sky, array_column($array1, 'b')) !== FALSE) { echo 'FOUND!'; } else { echo 'NOT FOUND!'; }
Output for 8.0.1 - 8.0.20, 8.1.0 - 8.1.7
Fatal error: Uncaught Error: Undefined constant "sky" in /in/i3iLS:13 Stack trace: #0 {main} thrown in /in/i3iLS on line 13
Process exited with code 255.
Output for 7.4.0 - 7.4.30
Warning: Use of undefined constant sky - assumed 'sky' (this will throw an Error in a future version of PHP) in /in/i3iLS on line 13 FOUND!

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