3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1 + true; $b = 1 + false; echo $a . ' ' . $b

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)
5.4.310.0070.04312.46
5.4.300.0090.03512.47
5.4.290.0060.04212.47
5.4.280.0080.03512.36
5.4.270.0050.05312.36
5.4.260.0030.04112.36
5.4.250.0050.03912.36
5.4.240.0050.03712.36
5.4.230.0020.04112.35
5.4.220.0040.04412.35
5.4.210.0060.03612.36
5.4.200.0070.03612.36
5.4.190.0080.03912.36
5.4.180.0060.04012.35
5.4.170.0060.03712.36
5.4.160.0090.03312.36
5.4.150.0050.03812.35
5.4.140.0100.03312.04
5.4.130.0080.03712.02
5.4.120.0110.04611.98
5.4.110.0080.03611.98
5.4.100.0110.04211.98
5.4.90.0100.04711.98
5.4.80.0060.05211.98
5.4.70.0050.03811.98
5.4.60.0060.03711.98
5.4.50.0080.03311.98
5.4.40.0090.03311.97
5.4.30.0040.04111.96
5.4.20.0070.03811.96
5.4.10.0070.03411.96
5.4.00.0060.03911.46
5.3.280.0090.03712.70
5.3.270.0060.05512.72
5.3.260.0090.03912.71
5.3.250.0040.03912.71
5.3.240.0060.03812.72
5.3.230.0040.04012.71
5.3.220.0090.03512.68
5.3.210.0100.04112.68
5.3.200.0040.04312.68
5.3.190.0080.04012.68
5.3.180.0070.03812.68
5.3.170.0070.03812.67
5.3.160.0030.04012.67
5.3.150.0070.04112.67
5.3.140.0060.03812.66
5.3.130.0060.04112.66
5.3.120.0050.03912.66
5.3.110.0060.04012.65
5.3.100.0080.03612.12
5.3.90.0070.04112.08
5.3.80.0030.04212.08
5.3.70.0110.03312.07
5.3.60.0070.03712.07
5.3.50.0060.03612.00
5.3.40.0080.03512.00
5.3.30.0080.03311.95
5.3.20.0080.03311.73
5.3.10.0080.03411.70
5.3.00.0060.03911.68
5.2.170.0030.0429.18
5.2.160.0050.0389.18
5.2.150.0070.0339.18
5.2.140.0100.0289.18
5.2.130.0050.0289.14
5.2.120.0060.0439.14
5.2.110.0070.0339.14
5.2.100.0070.0279.14
5.2.90.0060.0359.14
5.2.80.0010.0349.14
5.2.70.0060.0299.14
5.2.60.0050.0309.09
5.2.50.0040.0359.06
5.2.40.0020.0359.04
5.2.30.0070.0319.02
5.2.20.0050.0309.00
5.2.10.0040.0368.93
5.2.00.0040.0358.79
5.1.60.0040.0298.07
5.1.50.0040.0288.07
5.1.40.0070.0268.05
5.1.30.0030.0288.39
5.1.20.0060.0318.41
5.1.10.0030.0278.14
5.1.00.0080.0238.15
5.0.50.0020.0226.62
5.0.40.0040.0196.48
5.0.30.0030.0346.30
5.0.20.0020.0216.26
5.0.10.0040.0206.24
5.0.00.0040.0306.23
4.4.90.0040.0144.78
4.4.80.0000.0184.75
4.4.70.0030.0154.75
4.4.60.0040.0144.76
4.4.50.0040.0154.77
4.4.40.0040.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0040.0144.85
4.4.00.0060.0224.76
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0020.0154.63
4.3.80.0050.0254.58
4.3.70.0020.0224.63
4.3.60.0040.0154.62
4.3.50.0030.0154.63
4.3.40.0030.0254.54
4.3.30.0030.0173.29
4.3.20.0040.0163.27
4.3.10.0020.0263.21
4.3.00.0070.01715.89

preferences:
153.98 ms | 1394 KiB | 7 Q