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<?php $this_method = ['foo' => ['bar' => ['bard' => ['food' => 'barf']]]]; $indexes = ['foo', 'bar', 'bard']; function getBySuccessiveKeys(array $haystack, array $keys) { foreach ($keys as $key) { if (!key_exists($key, $haystack)) { break; } $haystack = $haystack[$key]; } return $haystack; } var_export(getBySuccessiveKeys($this_method, $indexes));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'food' => 'barf', )

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