3v4l.org

run code in 300+ PHP versions simultaneously

@ 2015-01-23T09:11:20Z

<?php

$array = array(
    array(
        "name" => "a",
        "code" => "416",
        "id" => "a1"
    ),
    array(
        "name" => "a",
        "code" => "522",
        "id" => "a2"
    ),
    array(
        "name" => "b",
        "code" => "580",
        "id" => "b1"
    )
);

$counts = array_count_values(
    array_map(function (array $entry) { return $entry['name']; }, $array)
    // or array_column($array, 'name') in PHP 5.5+
);

$uniqueNames = array_keys(
    array_filter($counts, function ($count) { return $count == 1; })
);

$result = array_filter($array, function (array $entry) use ($uniqueNames) {
    return in_array($entry['name'], $uniqueNames);
});


$codes = array ("code");
//var_dump(array_intersect_key($result,array_flip($codes)));
var_dump($codes);

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: array(1) { [0]=> string(4) "code" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/TGPAf on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/TGPAf on line 22
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/TGPAf on line 22
Process exited with code 255.

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