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@ 2015-04-22T09:04:47Z

<?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
Performance
VLD
References
Branches

array_key_exists: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

63.71 ms | 402 KiB | 5 Q