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run code in 300+ PHP versions simultaneously

@ 2021-08-21T13:29:41Z

<?php

$fonts = [
    [
        'family' => 'Abril Fatface',
        'weight' => 'regular',
        'charset' => 'latin,latin-ext'
    ],
    [
        'family' => 'Akronim',
        'weight' => 'regular',
        'charset' => 'latin'
    ],
    [
        'family' => 'Akronim',
        'weight' => 'regular, bold',
        'charset' => 'latin'
    ],
    [
        'family' => 'Akronim',
        'weight' => 'regular',
        'charset' => 'latin,latin-ext'
    ],
    [
        'family' => 'Acme',
        'weight' => 'regular',
        'charset' => 'latin'
    ]
];

$result = [];
foreach ($fonts as $row) {
    $row['weight'] = array_flip(preg_split('~, ?~', $row['weight'], 0, PREG_SPLIT_NO_EMPTY));
    $row['charset'] = array_flip(preg_split('~, ?~', $row['charset'], 0, PREG_SPLIT_NO_EMPTY));
    if (!isset($result[$row['family']])) {
        $result[$row['family']] = $row;
    } else {
        $result[$row['family']]['weight'] += $row['weight'];
        $result[$row['family']]['charset'] += $row['charset'];
    }
}
foreach ($result as &$row) {
    $row['weight'] = implode(',', array_keys($row['weight']));
    $row['charset'] = implode(',', array_keys($row['charset']));
}
var_export(array_values($result));

Output for 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 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12: array ( 0 => array ( 'family' => 'Abril Fatface', 'weight' => 'regular', 'charset' => 'latin,latin-ext', ), 1 => array ( 'family' => 'Akronim', 'weight' => 'regular,bold', 'charset' => 'latin,latin-ext', ), 2 => array ( 'family' => 'Acme', 'weight' => 'regular', 'charset' => 'latin', ), )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'family' => 'Abril Fatface', 'weight' => 'regular', 'charset' => 'latin,latin-ext', ), 1 => array ( 'family' => 'Akronim', 'weight' => 'regular,bold', 'charset' => 'latin,latin-ext', ), 2 => array ( 'family' => 'Acme', 'weight' => 'regular', 'charset' => 'latin', ), )

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145.5 ms | 409 KiB | 5 Q