<?php if (!function_exists('cd')) { function cd($var) { var_dump($var); } } function corban_error_handler($errno , $errstr, $errfile) { echo '<pre>'; print_r(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS)); echo '</pre>'; cd($errno); cd($errstr); cd($errfile); return false; } set_error_handler ('corban_error_handler', E_NOTICE); $b = null; cd($a); cd($b);
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