3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $aHash; $i=0;$tmp=""; while($i<10000){$tmp.='a';++$i;} $aHash=array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); Test2_3(); Test2_End(); public function Test2_3() {global $aHash; $t = microtime(true); $key = array_keys($aHash); $size = sizeOf($key); for ($i=0;$i<$size;$i++) { $aHash[$key[$i]].="a";  return (microtime(true) - $t); } public function Test2_End() {global $aHash; unset($aHash); } ?>

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).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0040.04112.50
5.4.300.0090.03512.50
5.4.290.0100.03712.50
5.4.280.0070.03712.39
5.4.270.0040.04112.39
5.4.260.0050.04412.39
5.4.250.0050.04512.39
5.4.240.0070.03512.39
5.4.230.0060.04112.39
5.4.220.0040.03712.38
5.4.210.0070.03612.39
5.4.200.0040.04112.39
5.4.190.0060.04012.38
5.4.180.0050.04112.38
5.4.170.0060.03612.39
5.4.160.0060.04312.38
5.4.150.0060.04712.38
5.4.140.0040.04712.07
5.4.130.0060.04712.05
5.4.120.0030.04312.02
5.4.110.0050.04012.02
5.4.100.0060.03412.02
5.4.90.0100.04012.02
5.4.80.0040.03912.01
5.4.70.0100.03912.00
5.4.60.0040.03812.01
5.4.50.0080.04212.01
5.4.40.0080.03212.00
5.4.30.0070.04212.00
5.4.20.0080.03511.99
5.4.10.0080.04811.99
5.4.00.0050.03811.48
5.3.280.0070.04212.71
5.3.270.0100.04012.72
5.3.260.0090.03812.72
5.3.250.0060.04012.72
5.3.240.0050.03912.72
5.3.230.0040.04012.71
5.3.220.0110.03212.68
5.3.210.0050.04212.68
5.3.200.0040.03812.68
5.3.190.0090.04612.68
5.3.180.0070.03812.67
5.3.170.0060.03812.67
5.3.160.0090.03412.67
5.3.150.0080.04512.68
5.3.140.0090.03512.66
5.3.130.0050.04612.66
5.3.120.0110.04212.65
5.3.110.0070.04612.65
5.3.100.0060.04012.12
5.3.90.0080.03412.08
5.3.80.0040.04112.08
5.3.70.0060.03712.08
5.3.60.0060.03612.07
5.3.50.0060.04112.00
5.3.40.0080.03312.00
5.3.30.0060.04011.95
5.3.20.0080.04611.73
5.3.10.0090.03411.70
5.3.00.0040.03911.69
5.2.170.0060.0299.18
5.2.160.0050.0389.18
5.2.150.0050.0399.18
5.2.140.0100.0399.18
5.2.130.0060.0359.14
5.2.120.0060.0279.14
5.2.110.0050.0299.15
5.2.100.0110.0329.14
5.2.90.0080.0379.14
5.2.80.0050.0319.14
5.2.70.0050.0389.14
5.2.60.0070.0289.09
5.2.50.0070.0419.06
5.2.40.0090.0309.04
5.2.30.0060.0379.02
5.2.20.0030.0309.00
5.2.10.0060.0338.93
5.2.00.0050.0358.79
5.1.60.0060.0328.07
5.1.50.0050.0288.07
5.1.40.0060.0298.05
5.1.30.0070.0288.40
5.1.20.0060.0428.41
5.1.10.0070.0388.15
5.1.00.0050.0268.15
5.0.50.0030.0316.63
5.0.40.0040.0306.48
5.0.30.0030.0416.29
5.0.20.0030.0216.29
5.0.10.0010.0226.27
5.0.00.0040.0326.26
4.4.90.0030.0154.78
4.4.80.0050.0204.75
4.4.70.0040.0194.75
4.4.60.0010.0174.75
4.4.50.0060.0184.77
4.4.40.0030.0264.71
4.4.30.0050.0204.76
4.4.20.0050.0234.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0050.0204.66
4.3.90.0010.0204.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0040.0244.54
4.3.30.0050.0193.31
4.3.20.0020.0223.29
4.3.10.0040.0233.25
4.3.00.0030.01715.90

preferences:
148.24 ms | 1394 KiB | 7 Q