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@ 2014-08-02T14:40:45Z

<?php


function coalesce($default, &...$args) {
    return current(array_filter($args)) ?: $default;
}

$e1 = [];
$e2 = '';
echo coalesce('default', $e1, $happy, $e2);

Output
Performance
VLD
References
Branches

array_filter: documentation ( source)
current: documentation ( source)

preferences:dark modelive preview

34.36 ms | 402 KiB | 5 Q