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@ 2012-08-27T12:50:14Z

<?php

$a = array(1,2,3,4);

echo array_search(7, $a);

if(array_search(4, $a)) {
    echo array_search(7, $a);
} else {
    echo 'no';
}

Output
Performance
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array_search: documentation ( source)

preferences:dark modelive preview

41.12 ms | 402 KiB | 5 Q