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@ 2014-08-02T15:34:55Z

<?php

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

$empty1 = [];
$empty2 = '';

$value1 = 'notempty';

echo coalesce('default', $empty1, $undefined, $empty2); // 'default'
echo coalesce('default', $empty1, $undefined, $value1, $empty2); // 'notempty'

Output
Performance
VLD
References
Branches

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

preferences:dark modelive previewkey bindings

34.35 ms | 405 KiB | 5 Q