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run code in 300+ PHP versions simultaneously

@ 2018-07-24T14:16:48Z

<?php
$yaml = [
    'components' => [
        [
            'cachet' => [
                'componentgroup' => 'FOO',
                'componentname' => 'BAR'
            ]
        ],
        [
            'cachet' => [
                'componentgroup' => 'Key1',
                'componentname' => 'Value1'
            ]
        ],
        [
            'cachet' => [
                'componentgroup' => 'Key2',
                'componentname' => 'Value2'
            ]
        ],
        [
            'cachet' => [
                'componentgroup' => 'FOO',
                'componentname' => 'BAZ'
            ]
        ],
        [
            'cachet' => [
                'componentgroup' => 'Key3',
                'componentname' => 'Value3'
            ]
        ]
    ]
];

$yamlMap = [];
foreach ($yaml['components'] as $yamlComponent) {
    $key = $yamlComponent['cachet']['componentgroup'];
    $value = $yamlComponent['cachet']['componentname'];
    if (isset($yamlMap[$key])) {
        if (is_array($yamlMap[$key])) {
            $yamlMap[$key][] = $value;
        } else {
            $yamlMap[$key] = [$yamlMap[$key], $value];
        }
    } else {
        $yamlMap[$key] = $value;
    }
}

var_export($yamlMap);

Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: array ( 'FOO' => array ( 0 => 'BAR', 1 => 'BAZ', ), 'Key1' => 'Value1', 'Key2' => 'Value2', 'Key3' => 'Value3', )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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