Online PHP editor | perf for XYQrB

@ 2013-09-01T22:31:06Z

<?PHP

include 'pyhp.php';

if (!function_exists('gmp_sign')) {
	function gmp_sign($x) {
		return ($x<0?-1:1);
	}
}

function assertx($assertion, $failure="Assertion failed", $throwexception=true, $exception="ErrorException") {
	$assert_options = array(ASSERT_WARNING => 0, ASSERT_BAIL => 0, ASSERT_QUIET_EVAL => 1);
	foreach ($assert_options as $opt => $val) {
		$origval = assert_options($opt, $val);
		$assert_options[$opt] = $origval;
	}
	$test = assert($assertion);
	foreach ($assert_options as $opt => $val) {
		assert_options($opt, $val);
	}
	if ($test) return true;
	if (!$test) {
		if ($throwexception) throw new $exception($failure);
		return false;
	}
}

$xr = pyrange(-1, 1, 0.1);
$yr = pyrange(-1, 1, 0.2);

$eq = function($x, $y) {
	$c = function($i) { return $i*(180/pi()); };
	$x = $c($x); $y = $c($y);
	if ($y == 0) return 90*gmp_sign($x);
	$a = round(180-$c(atan($x/$y)),0);
	if (gmp_sign($y) == -1) {
		$a -= 180;
	}
	return $a;
};

assertx(gmp_sign(-0.5).'==-1');
assertx($eq(1, 1).'==135');
assertx($eq(-1 ,
echo $eq(1, 1);
echo PHP_EOL;
echo $eq(-1, 1);
echo PHP_EOL;
echo $eq(-1, -1);
echo PHP_EOL;
echo $eq(1, -1);

?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.19	0.032	0.058	12.41
5.4.18	0.014	0.045	12.41
5.4.17	0.014	0.045	12.41
5.4.16	0.014	0.045	12.41
5.4.15	0.018	0.043	12.41
5.4.14	0.019	0.039	12.10
5.4.13	0.014	0.044	12.08
5.4.12	0.022	0.066	12.04
5.4.11	0.016	0.042	12.04
5.4.10	0.015	0.043	12.04
5.4.9	0.016	0.042	12.04
5.4.8	0.018	0.039	12.04
5.4.7	0.017	0.042	12.04
5.4.6	0.014	0.044	12.04
5.4.5	0.018	0.039	12.04
5.4.4	0.012	0.045	12.02
5.4.3	0.019	0.040	12.02
5.4.2	0.014	0.043	12.02
5.4.1	0.015	0.042	12.02
5.4.0	0.013	0.043	11.51
5.3.27	0.017	0.043	12.72
5.3.26	0.016	0.059	12.72
5.3.25	0.015	0.046	12.72
5.3.24	0.010	0.050	12.72
5.3.23	0.017	0.043	12.71
5.3.22	0.017	0.043	12.68
5.3.21	0.020	0.056	12.68
5.3.20	0.015	0.043	12.68
5.3.19	0.013	0.047	12.68
5.3.18	0.017	0.042	12.67
5.3.17	0.013	0.046	12.67
5.3.16	0.020	0.054	12.67
5.3.15	0.018	0.041	12.67
5.3.14	0.018	0.043	12.66
5.3.13	0.016	0.044	12.66
5.3.12	0.017	0.043	12.66
5.3.11	0.013	0.047	12.66
5.3.10	0.012	0.048	12.14
5.3.9	0.020	0.053	12.12
5.3.8	0.017	0.043	12.11
5.3.7	0.017	0.057	12.11
5.3.6	0.025	0.065	12.10
5.3.5	0.013	0.046	12.04
5.3.4	0.016	0.044	12.04
5.3.3	0.021	0.037	12.01
5.3.2	0.027	0.076	11.78
5.3.1	0.019	0.038	11.75
5.3.0	0.021	0.036	11.73

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