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@ 2015-03-17T13:53:37Z

<?php

$a = [
    [
        "id" => 1,
        "controller" => "users",
        "action" => "index"
    ],
    [
        "id" => 1,
        "controllers" => "users",
        "action" => ""
    ],
    [
        "id" => 1,
        "controller" => "users",
        "action" => "login"
    ]
];

$b = [
    [
        "id" => 1,
        "controller" => "users",
        "action" => "index"
    ],
    [
        "id" => 1,
        "controllers" => "users",
        "action" => ""
    ],
    [
        "id" => 1,
        "controller" => "users",
        "action" => "logout"
    ]
];


$final = array();
foreach($a AS $item) {
    $final[$item['controller'] . $item['action']] = $item;
}

foreach($b AS $item) {
    unset($final[$item['controller'] . $item['action']]);
}


print_r($final);

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined array key "controller" in /in/SLlkE on line 42 Warning: Undefined array key "controller" in /in/SLlkE on line 46 Array ( [userslogin] => Array ( [id] => 1 [controller] => users [action] => login ) )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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