PHP - remove array_value by key and values in lists

removeArrayByKey.php

<?php
    /**
     * remove array_value by key and values
     *
     * @param array $arr - array
     * @param string $key - Key
     * @param string $lists - value lists
     *
     * @return array
     */
    function removeArrayByKey($arr=[], $key='', $lists='')
    {
        $emptyVal = false;
        $arr1 = [];
        $arr2 = [];
        $arrK = [];

        // if array is empty
        if (count($arr)<=0)
            $emptyVal = true;

        if (''==$key)
            $emptyVal = true;

        if (''==$lists)
            $emptyVal = true;

        if (count($arr)>0)
            $arrK = array_keys($arr);

        // if key param is not in array
        if (count($arr)>0 && !array_key_exists($key,$arr[$arrK[0]]))
            $emptyVal = true;

        // Stop
        if ($emptyVal)
            return [];

        // Convertir $valueList en array
        $values = explode(',', $lists);

        foreach ($arr as $k=>$r) {
            array_push($arr1,$r);
        }


        foreach ($arr1 as $k=>$r) {
            if (!in_array($r[$key], $values))
                array_push($arr2,$r);
        }

        return $arr2;
    }
    
// Usage
$data = [
    [
        'id' => 1
        ,'title' => 'title var' 
    ],
	[
        'id' => 2
        ,'title' => 'title var 2' 
    ],
	[
        'id' => 3
        ,'title' => 'title var 3' 
    ],
	[
        'id' => 4
        ,'title' => 'title var 4' 
    ],
	[
        'id' => 5
        ,'title' => 'title var 5' 
    ]
];
$data = removeArrayByKey($data,'id','2,3');

print_r($data);