Warning: Division by zero in /var/customers/webs/stc/benchmark/index.php on line 256 Test: foreach writing ref vs. key

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Test: foreach writing ref vs. key

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Result

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Code

The first test, "non-referenced", was:

foreach ($GLOBALS['dummy'] as $k => $v)
	$GLOBALS['dummy'][$k][1]++;
unset($v);

The second test, "referenced", was:

foreach ($GLOBALS['dummy'] as $k => &$v)
	$v[1]++;
unset($v);

Running: Linux (x86_64:1 GB) PHP (7.2.25-1+ubuntu16.04.1+deb.sury.org+1)