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(); 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); } 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)
5.4.310.0030.04312.50
5.4.300.0060.03712.50
5.4.290.0050.04012.50
5.4.280.0040.03812.39
5.4.270.0060.03912.39
5.4.260.0090.04212.39
5.4.250.0050.03812.39
5.4.240.0050.03712.39
5.4.230.0080.03612.38
5.4.220.0050.03712.39
5.4.210.0090.03312.38
5.4.200.0070.03712.39
5.4.190.0090.03312.38
5.4.180.0100.03312.38
5.4.170.0030.03912.39
5.4.160.0080.03712.39
5.4.150.0100.03212.38
5.4.140.0060.03612.07
5.4.130.0050.03712.05
5.4.120.0020.04012.02
5.4.110.0050.03712.02
5.4.100.0120.03012.01
5.4.90.0120.03712.01
5.4.80.0080.04312.01
5.4.70.0090.03312.00
5.4.60.0060.03412.00
5.4.50.0060.03512.01
5.4.40.0040.04011.99
5.4.30.0060.03911.99
5.4.20.0060.03411.99
5.4.10.0050.03911.99
5.4.00.0060.04611.48
5.3.280.0100.04112.71
5.3.270.0050.04212.72
5.3.260.0070.04412.72
5.3.250.0060.03912.72
5.3.240.0060.03912.72
5.3.230.0060.03812.70
5.3.220.0100.03712.68
5.3.210.0060.04112.68
5.3.200.0040.04512.68
5.3.190.0110.04512.68
5.3.180.0080.04312.67
5.3.170.0090.03412.67
5.3.160.0100.03312.67
5.3.150.0080.04112.67
5.3.140.0080.03812.66
5.3.130.0050.04112.66
5.3.120.0100.03612.66
5.3.110.0080.03812.66
5.3.100.0120.03812.11
5.3.90.0090.03912.08
5.3.80.0070.03512.07
5.3.70.0050.03612.07
5.3.60.0100.03212.06
5.3.50.0050.04112.00
5.3.40.0050.03712.00
5.3.30.0040.03711.95
5.3.20.0040.04511.73
5.3.10.0070.03711.70
5.3.00.0080.03311.68
5.2.170.0040.0339.18
5.2.160.0060.0319.18
5.2.150.0080.0329.19
5.2.140.0080.0369.18
5.2.130.0040.0319.14
5.2.120.0050.0309.14
5.2.110.0040.0319.15
5.2.100.0040.0319.14
5.2.90.0060.0289.14
5.2.80.0070.0349.14
5.2.70.0060.0289.14
5.2.60.0060.0319.09
5.2.50.0050.0309.06
5.2.40.0080.0289.04
5.2.30.0040.0309.02
5.2.20.0050.0289.00
5.2.10.0080.0268.92
5.2.00.0040.0338.79
5.1.60.0010.0278.07
5.1.50.0040.0278.07
5.1.40.0040.0288.05
5.1.30.0110.0318.39
5.1.20.0060.0298.42
5.1.10.0050.0258.15
5.1.00.0070.0258.15
5.0.50.0030.0226.63
5.0.40.0060.0176.49
5.0.30.0020.0336.29
5.0.20.0020.0276.29
5.0.10.0050.0226.27
5.0.00.0030.0336.26
4.4.90.0040.0154.78
4.4.80.0020.0174.75
4.4.70.0040.0144.76
4.4.60.0050.0174.76
4.4.50.0020.0194.77
4.4.40.0030.0254.71
4.4.30.0040.0204.75
4.4.20.0050.0144.85
4.4.10.0020.0204.85
4.4.00.0040.0244.76
4.3.110.0030.0174.66
4.3.100.0040.0204.67
4.3.90.0050.0224.63
4.3.80.0030.0314.58
4.3.70.0050.0224.63
4.3.60.0040.0144.63
4.3.50.0020.0164.63
4.3.40.0080.0254.54
4.3.30.0020.0183.31
4.3.20.0010.0183.29
4.3.10.0040.0143.25
4.3.00.0070.01315.90

preferences:
143.44 ms | 1394 KiB | 7 Q