3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "b"; echo ++("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)
5.4.310.0070.03812.49
5.4.300.0120.03412.49
5.4.290.0080.03712.49
5.4.280.0060.03312.39
5.4.270.0020.03912.39
5.4.260.0090.03512.39
5.4.250.0090.04112.39
5.4.240.0060.03812.39
5.4.230.0030.04012.38
5.4.220.0040.03812.38
5.4.210.0040.03812.38
5.4.200.0080.03712.38
5.4.190.0060.03512.38
5.4.180.0040.04112.38
5.4.170.0040.03812.38
5.4.160.0040.04112.38
5.4.150.0040.03812.38
5.4.140.0050.04012.07
5.4.130.0070.03412.05
5.4.120.0050.03512.01
5.4.110.0030.03812.01
5.4.100.0070.03412.01
5.4.90.0060.03712.01
5.4.80.0060.03712.01
5.4.70.0090.03812.01
5.4.60.0100.04112.00
5.4.50.0080.03412.01
5.4.40.0030.03911.99
5.4.30.0060.04111.99
5.4.20.0060.03511.98
5.4.10.0070.03411.99
5.4.00.0050.03711.48
5.3.280.0030.04512.71
5.3.270.0070.03812.72
5.3.260.0070.03912.72
5.3.250.0060.03812.72
5.3.240.0050.03812.72
5.3.230.0060.04012.71
5.3.220.0080.03512.68
5.3.210.0060.04612.68
5.3.200.0040.04712.68
5.3.190.0030.04612.68
5.3.180.0080.03712.68
5.3.170.0070.03412.67
5.3.160.0040.03712.67
5.3.150.0070.04212.68
5.3.140.0040.03912.66
5.3.130.0070.04012.66
5.3.120.0020.04612.66
5.3.110.0040.04912.66
5.3.100.0030.04012.12
5.3.90.0070.05112.08
5.3.80.0050.04612.07
5.3.70.0060.03912.07
5.3.60.0060.04412.06
5.3.50.0050.03812.00
5.3.40.0090.03212.00
5.3.30.0060.03411.95
5.3.20.0050.03511.73
5.3.10.0080.04311.70
5.3.00.0080.03511.68
5.2.170.0060.0409.18
5.2.160.0040.0309.18
5.2.150.0060.0329.18
5.2.140.0050.0359.18
5.2.130.0020.0329.13
5.2.120.0030.0319.14
5.2.110.0080.0319.14
5.2.100.0080.0339.14
5.2.90.0040.0309.14
5.2.80.0070.0289.14
5.2.70.0060.0339.14
5.2.60.0090.0349.09
5.2.50.0100.0369.06
5.2.40.0040.0309.04
5.2.30.0040.0319.02
5.2.20.0060.0279.00
5.2.10.0060.0288.93
5.2.00.0060.0308.79
5.1.60.0040.0258.07
5.1.50.0040.0298.06
5.1.40.0090.0258.05
5.1.30.0070.0268.40
5.1.20.0010.0308.41
5.1.10.0050.0268.14
5.1.00.0060.0258.14
5.0.50.0050.0206.62
5.0.40.0040.0196.48
5.0.30.0040.0316.29
5.0.20.0030.0206.27
5.0.10.0050.0196.24
5.0.00.0030.0356.23
4.4.90.0010.0184.78
4.4.80.0030.0154.76
4.4.70.0010.0174.75
4.4.60.0050.0154.75
4.4.50.0040.0224.77
4.4.40.0040.0314.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0194.85
4.4.00.0050.0244.75
4.3.110.0020.0164.67
4.3.100.0040.0134.67
4.3.90.0030.0184.64
4.3.80.0050.0214.58
4.3.70.0030.0144.63
4.3.60.0030.0194.63
4.3.50.0030.0154.63
4.3.40.0040.0264.54
4.3.30.0030.0153.29
4.3.20.0030.0163.26
4.3.10.0060.0193.21
4.3.00.0170.01715.29

preferences:
141.78 ms | 1394 KiB | 7 Q