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@ 2018-10-19T06:50:55Z

<?php
$string = 'like';
$whitelist = ['like', 'hate'];
if (in_array($string, $whitelist)) {
    echo "valid: $string";
} else {
    echo "invalid: $string";
}

Output
Performance
VLD
References
Branches

in_array: documentation ( source)

preferences:dark modelive previewkey bindings

22.91 ms | 404 KiB | 5 Q