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iprodev/has-duplicate.php

Last active December 14, 2018 18:00
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PHP : Check if array has duplicate values
Raw
has-duplicate.php
<?php
/**
* Check if array has duplicate values
*
* @param array $array Specific array to check
* @return boolean
*/
function array_has_duplicate( $array ) {
return count( $array ) !== count( array_keys( array_flip( $array ) ) );
}
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