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@ 2013-05-31T05:41:34Z

<?php


	function check($value) {
        return (bool)preg_match('/^\p{Cyrillic}{1}$/', $value);
    };

	$test = 'Ф';

	var_dump(check($test));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

35.6 ms | 402 KiB | 5 Q