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<?php $_POST['one'] = '1 rabbit'; $_POST['two'] = '2 rabbit'; $_POST['three'] = '3 rabbit'; foreach ($_POST as $var => $value) { if (isset($$var)) continue; $$key = $var; } var_dump($one); var_dump($two); var_dump($three);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $key in /in/kZkt9 on line 6 Warning: Undefined variable $key in /in/kZkt9 on line 6 Warning: Undefined variable $key in /in/kZkt9 on line 6 Warning: Undefined variable $one in /in/kZkt9 on line 8 NULL Warning: Undefined variable $two in /in/kZkt9 on line 9 NULL Warning: Undefined variable $three in /in/kZkt9 on line 10 NULL

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