3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'A' $a++; echo $a;

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)
5.4.340.0080.03612.01
5.4.320.0100.03212.50
5.4.310.0050.03812.49
5.4.300.0080.03512.50
5.4.290.0090.03612.50
5.4.280.0080.03312.39
5.4.270.0040.03712.39
5.4.260.0050.04512.39
5.4.250.0080.03412.39
5.4.240.0050.03612.39
5.4.230.0060.03712.38
5.4.220.0030.03912.38
5.4.210.0070.03412.38
5.4.200.0070.03712.38
5.4.190.0080.03312.38
5.4.180.0140.03112.38
5.4.170.0070.03812.39
5.4.160.0060.03512.38
5.4.150.0080.04512.38
5.4.140.0040.03912.07
5.4.130.0050.03612.04
5.4.120.0050.03712.02
5.4.110.0090.03212.01
5.4.100.0070.03412.02
5.4.90.0070.05012.01
5.4.80.0080.04312.01
5.4.70.0060.03512.01
5.4.60.0070.03312.01
5.4.50.0050.04012.00
5.4.40.0050.03611.99
5.4.30.0060.03611.99
5.4.20.0050.03711.98
5.4.10.0040.03912.00
5.4.00.0050.03611.48
5.3.290.0050.04312.80
5.3.280.0050.04012.71
5.3.270.0060.04112.72
5.3.260.0050.04812.72
5.3.250.0050.03912.72
5.3.240.0070.04112.72
5.3.230.0030.04112.71
5.3.220.0090.03412.68
5.3.210.0050.04012.68
5.3.200.0070.03512.68
5.3.190.0060.03712.68
5.3.180.0090.04612.67
5.3.170.0080.04512.67
5.3.160.0060.03712.67
5.3.150.0070.03712.67
5.3.140.0070.04012.66
5.3.130.0080.04212.66
5.3.120.0060.03912.66
5.3.110.0070.04212.66
5.3.100.0030.04212.12
5.3.90.0050.03812.09
5.3.80.0050.03612.08
5.3.70.0070.03312.07
5.3.60.0070.03412.07
5.3.50.0030.03912.00
5.3.40.0050.03612.00
5.3.30.0030.04211.95
5.3.20.0050.03611.73
5.3.10.0040.03611.70
5.3.00.0060.03911.68
5.2.170.0030.0329.18
5.2.160.0070.0289.18
5.2.150.0060.0299.18
5.2.140.0020.0339.18
5.2.130.0060.0309.13
5.2.120.0020.0309.14
5.2.110.0050.0299.14
5.2.100.0060.0299.14
5.2.90.0040.0299.14
5.2.80.0020.0339.14
5.2.70.0040.0349.14
5.2.60.0040.0319.09
5.2.50.0030.0329.06
5.2.40.0010.0329.03
5.2.30.0040.0369.01
5.2.20.0020.0309.00
5.2.10.0060.0328.93
5.2.00.0060.0298.78
5.1.60.0040.0248.07
5.1.50.0050.0238.06
5.1.40.0040.0328.04
5.1.30.0040.0258.40
5.1.20.0080.0298.42
5.1.10.0090.0268.14
5.1.00.0050.0258.14
5.0.50.0040.0196.63
5.0.40.0040.0196.48
5.0.30.0060.0316.29
5.0.20.0030.0196.27
5.0.10.0050.0176.24
5.0.00.0040.0306.23
4.4.90.0040.0144.78
4.4.80.0010.0174.75
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0020.0154.77
4.4.40.0060.0224.71
4.4.30.0040.0144.75
4.4.20.0030.0154.84
4.4.10.0030.0164.84
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0020.0264.58
4.3.70.0020.0184.63
4.3.60.0010.0154.62
4.3.50.0030.0154.63
4.3.40.0020.0244.53
4.3.30.0010.0173.29
4.3.20.0000.0183.26
4.3.10.0010.0163.21
4.3.00.0030.01713.21

preferences:
140.75 ms | 1394 KiB | 7 Q