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ytkhs/isUniqueChars.php

Created February 19, 2015 15:21
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文字列中に同じものがないかどうか調べる（半角英数）
Raw
isUniqueChars.php
<?php
function isUniqueChars($str) {
return strlen($str) === count(array_unique(str_split($str)));
}
var_dump(isUniqueChars('abc'));
var_dump(isUniqueChars('aaa'));
var_dump(isUniqueChars('12345678901'));
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