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@ 2015-11-15T14:30:17Z

<?php

function test(array $array) {
	return !(bool)count(array_filter(array_keys($array), 'is_string'));
}

isDictionary([]);

Output
Performance
VLD
References
Branches

array_filter: documentation ( source)
array_keys: documentation ( source)

preferences:dark modelive preview

45.53 ms | 402 KiB | 5 Q