Online PHP editor | refs for kGLWT

@ 2021-01-10T01:00:05Z

<?php

function checkDuplicatesInArray($array){
    $duplicates=FALSE;
    foreach($array as $k=>$i){
        if(!isset($value_{$i})){
            $value_{$i}=TRUE;
        }
        else{
            $duplicates|=TRUE;          
        }
    }
    return ($duplicates);
}

var_export(checkDuplicatesInArray([1, 1.5]));