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<?php class Foo { public $bar; } $foo = new Foo; $arr = array("", " ", FALSE, TRUE, array(), NULL, "0", 0, 0.0, new stdClass, $foo, $foo->bar, "\0"); $headings = array('type', 'if', 'isset', 'empty', 'is_null'); foreach($heading as $heading){ echo pad_str($heading, 20), " | "; } echo "\n"; /* foreach($arr as $val){ echo gettype($val), " | "; } */
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $heading in /in/XQpbq on line 7 Warning: foreach() argument must be of type array|object, null given in /in/XQpbq on line 7

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