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@ 2014-06-12T04:49:33Z

<?php

$a = 0;

$test = ('UNLOCK' === $a);
var_dump($test);

if ('UNLOCK' == $a) {
    echo "U\n";
} else {
    echo "D\n";
}

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

39.32 ms | 402 KiB | 5 Q