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<?php $a = array ('test' => 1, 'hello' => NULL, 'pie' => array('a' => 'apple')); var_dump(isset($a['test'])); // TRUE var_dump(isset($a['foo'])); // FALSE var_dump(isset($a['hello'])); // FALSE
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(false) bool(false)

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