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ruslanashaari/isogram.php

Created September 10, 2017 15:01
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Determine if a word or phrase is an isogram.
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isogram.php
<?php
function isIsogram($phrase){
$array_phrase = str_split(strtolower(preg_replace('/[\s-äöü]/', '', $phrase)));
return count($array_phrase) == count(array_unique($array_phrase));
}
@ruslanashaari
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isogram (non-pattern word) is a word/phrase without a repeating letter. eg: word isogram is an isogram, but word isograms not

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