Online PHP editor | output for GtY49

@ 2023-05-12T07:53:44Z

<?php

$array = [ 
    'relation' => 'AND',
    [
        'taxonomy' => 'merk',
        'field' => 'slug', 
        'terms' => ['coral']
    ],
    [
        'taxonomy' => 'foo',
        'field' => 'bar', 
        'terms' => ['stackoverflow']
    ],
    [
        'taxonomy' => 'merk',
        'field' => 'slug', 
        'terms' => ['deluxe', 'ultra']
    ]
];

foreach ($array as $key => &$item) {
    if (is_array($item) && isset($item['taxonomy'], $item['field'])) {
        $id = $item['taxonomy'] . '_' . $item['field'];
        if (!isset($ref[$id])) {
            $ref[$id] = &$item['terms'];
        } else {
            array_push($ref[$id], ...$item['terms']);
            unset($array[$key]);
        }
    }
}
var_export($array);

Output for 8.0.1 - 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, 8.4.16, 8.5.0 - 8.5.1: array ( 'relation' => 'AND', 0 => array ( 'taxonomy' => 'merk', 'field' => 'slug', 'terms' => array ( 0 => 'coral', 1 => 'deluxe', 2 => 'ultra', ), ), 1 => array ( 'taxonomy' => 'foo', 'field' => 'bar', 'terms' => array ( 0 => 'stackoverflow', ), ), )
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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