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<?php $map = [ 'center' => 1, 'left' => 2, 'right' => 3 ]; if (array_key_exists($map[$align]) && isset($map[$align])) { print_r("true"); } else { print_r("false"); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $align in /in/Qsdqc on line 8 Warning: Undefined array key "" in /in/Qsdqc on line 8 Fatal error: Uncaught ArgumentCountError: array_key_exists() expects exactly 2 arguments, 1 given in /in/Qsdqc:8 Stack trace: #0 /in/Qsdqc(8): array_key_exists(NULL) #1 {main} thrown in /in/Qsdqc on line 8
Process exited with code 255.

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