Online PHP editor | output for gSGC0

@ 2019-08-31T20:47:40Z

<?php

function get_combinations($arrays) {
	$result = array(array());
	foreach ($arrays as $property => $property_values) {
		$tmp = array();
		foreach ($result as $result_item) {
			foreach ($property_values as $property_value) {
				$tmp[] = array_merge($result_item, array($property => $property_value));
			}
		}
		$result = $tmp;
	}
	return $result;
}

$in = [
	1 => 'мама',
	3 => 'раму',
	7 => 'раму',
	8 => 'мыла',
	13 => 'мама',
];

$flipped = [];
foreach ($in as $key => $value) {
	$flipped[$value][] = $key;
}
$flipped = array_values($flipped);
$result = get_combinations($flipped);
var_export($result);

Output for 7.1.25 - 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: array ( 0 => array ( 0 => 1, 1 => 3, 2 => 8, ), 1 => array ( 0 => 1, 1 => 7, 2 => 8, ), 2 => array ( 0 => 13, 1 => 3, 2 => 8, ), 3 => array ( 0 => 13, 1 => 7, 2 => 8, ), )
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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