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<?php $foo = [ 'en' => '', 'fr' => 'fr' ]; $bar = [ 'de' => 'de' ]; $bar[] = $foo['en']; var_dump(array_count_values($foo)); $bar[] = &$foo['fr']; var_dump(array_count_values($foo));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [""]=> int(1) ["fr"]=> int(1) } array(2) { [""]=> int(1) ["fr"]=> int(1) }

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