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<?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 git.master, git.master_jit, rfc.property-hooks
"foo" -> "1". "bar" -> "1". "baz" -> "0".

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