Online PHP editor | output for 6eAMe

@ 2021-07-16T07:00:59Z

<?php declare(strict_types = 1);

$map = [
	1 => 'foo',
	2 => 'foo',
	3 => 'bar',
];
$names = ['foo', 'bar', 'baz'];
$array = ['foo' => [], 'bar' => [], 'baz' => []];

foreach ($map as $value => $name) {
	$array[$name][] = $value;
}


foreach ($array as $name => $elements) {
	echo sprintf('"%s" -> "%d".' . PHP_EOL, $name, count($elements) > 0);
}

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: "foo" -> "1". "bar" -> "1". "baz" -> "0".
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 "foo" -> "1". "bar" -> "1". "baz" -> "0".

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