Test: substr($var, 25, 1) vs. isset && {25}

Return the nth character of a string when the character does not exist.

Result

Unfortunately, no history for this test is available.

The first test, "substr()", was:

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy2'] = substr($GLOBALS['dummy'], 25, 1);

The second test, "isset {5}", was:

for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy2'] = isset($GLOBALS['dummy']{25}) ? $GLOBALS['dummy']{25} : '';