Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
select version() as Version;
<?php
$arr1 = [
["url" => "/1/1/1", "cnt" => "1"],
["url" => "/2/2/2", "cnt" => "1"],
["url" => "/3/3/3", "cnt" => "1"]
];
$arr2 = [
["url" => "/2/2/2", "cnt" => "1"],
["url" => "/4/4/4", "cnt" => "1"]
];
$url2arr = array_column($arr2, 'url', 'url');
$res = array_filter($arr1, fn($el)=>!isset($url2arr[$el['url']]));
print_r($res);