3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ( $a = 2, $b = 4; ++$a, ($result = $a * $b) ); ) { break; } var_dump($result);

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)
5.4.310.0110.03612.49
5.4.300.0090.03512.49
5.4.290.0050.03812.49
5.4.280.0050.03612.39
5.4.270.0100.03312.39
5.4.260.0140.04312.39
5.4.250.0070.03612.39
5.4.240.0080.03612.39
5.4.230.0040.04112.38
5.4.220.0040.03712.38
5.4.210.0020.03912.38
5.4.200.0070.03612.38
5.4.190.0060.03612.38
5.4.180.0060.03712.38
5.4.170.0070.03912.39
5.4.160.0060.03712.38
5.4.150.0060.05012.38
5.4.140.0090.03812.07
5.4.130.0060.03512.05
5.4.120.0040.03712.01
5.4.110.0090.03312.01
5.4.100.0080.03312.01
5.4.90.0070.03612.01
5.4.80.0070.03712.01
5.4.70.0080.03712.00
5.4.60.0070.03312.01
5.4.50.0070.04012.01
5.4.40.0070.03212.00
5.4.30.0050.03611.99
5.4.20.0050.03511.99
5.4.10.0070.03311.99
5.4.00.0060.03511.48
5.3.280.0050.04012.71
5.3.270.0060.03812.72
5.3.260.0060.03912.72
5.3.250.0050.03712.72
5.3.240.0080.03512.72
5.3.230.0030.04012.71
5.3.220.0080.03412.68
5.3.210.0070.03812.68
5.3.200.0070.03512.68
5.3.190.0070.03612.68
5.3.180.0070.03512.68
5.3.170.0070.05212.67
5.3.160.0080.06112.67
5.3.150.0050.05612.67
5.3.140.0090.03812.66
5.3.130.0090.03612.66
5.3.120.0060.03912.66
5.3.110.0070.03712.66
5.3.100.0080.03512.12
5.3.90.0040.03712.08
5.3.80.0060.03712.07
5.3.70.0040.04112.08
5.3.60.0060.03712.06
5.3.50.0090.03512.00
5.3.40.0070.03512.00
5.3.30.0080.03311.95
5.3.20.0040.03811.73
5.3.10.0070.03611.70
5.3.00.0080.04011.68
5.2.170.0050.0309.18
5.2.160.0090.0389.18
5.2.150.0060.0449.18
5.2.140.0030.0459.18
5.2.130.0090.0409.14
5.2.120.0080.0279.14
5.2.110.0050.0309.15
5.2.100.0110.0299.14
5.2.90.0070.0339.14
5.2.80.0010.0349.13
5.2.70.0040.0369.14
5.2.60.0050.0339.09
5.2.50.0060.0289.06
5.2.40.0070.0309.04
5.2.30.0020.0329.01
5.2.20.0050.0289.00
5.2.10.0050.0398.93
5.2.00.0070.0298.78
5.1.60.0040.0248.06
5.1.50.0070.0298.06
5.1.40.0030.0258.04
5.1.30.0040.0278.40
5.1.20.0040.0288.42
5.1.10.0050.0258.14
5.1.00.0040.0268.14
5.0.50.0040.0196.62
5.0.40.0040.0186.48
5.0.30.0040.0306.29
5.0.20.0030.0206.26
5.0.10.0040.0196.24
5.0.00.0050.0296.23
4.4.90.0030.0154.77
4.4.80.0070.0124.75
4.4.70.0110.0384.75
4.4.60.0050.0144.75
4.4.50.0030.0164.77
4.4.40.0030.0254.71
4.4.30.0040.0184.76
4.4.20.0030.0164.84
4.4.10.0050.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0164.67
4.3.100.0050.0144.66
4.3.90.0010.0174.63
4.3.80.0030.0294.58
4.3.70.0050.0174.63
4.3.60.0040.0204.63
4.3.50.0020.0234.63
4.3.40.0030.0334.54
4.3.30.0020.0223.29
4.3.20.0020.0373.27
4.3.10.0040.0243.21
4.3.00.0030.01715.90

preferences:
140.38 ms | 1394 KiB | 7 Q