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run code in 300+ PHP versions simultaneously

@ 2018-08-30T11:33:01Z

<?php
$arrays = [
    "[Call xyz" => [
        "features" => [
            [
                "name" => "Display",
                "display" => "web"
            ],
            [
                "name" => "Forwarding",
                "display" => "web"
            ],
            [
                "name" => "Test",
                "display" => "web"
            ]
        ]
    ],
    "[Hidden]" => [
        "features" => [
            [
                "name" => "Display",
                "display" => "web"
            ],
            [
                "name" => "Forwarding",
                "display" => "web"
            ],
            [
                "name" => "Test",
                "display" => "web"
            ]
        ]
    ]
];


$index = 1;
foreach ($arrays as &$array) {
    if (array_key_exists($index, $array["features"]) &&
        ($array["features"][$index]["name"] === "Display" || $array["features"][$index]["name"] === "Forwarding")
    ) {
        $array["features"][$index]["checked"] = 1;
    }
}

print_r($arrays);

Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Array ( [[Call xyz] => Array ( [features] => Array ( [0] => Array ( [name] => Display [display] => web ) [1] => Array ( [name] => Forwarding [display] => web [checked] => 1 ) [2] => Array ( [name] => Test [display] => web ) ) ) [[Hidden]] => Array ( [features] => Array ( [0] => Array ( [name] => Display [display] => web ) [1] => Array ( [name] => Forwarding [display] => web [checked] => 1 ) [2] => Array ( [name] => Test [display] => web ) ) ) )

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