3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'z'; echo ++($heading);

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)
5.4.310.0070.03712.49
5.4.300.0060.03712.50
5.4.290.0060.03812.49
5.4.280.0110.03212.39
5.4.270.0040.03812.39
5.4.260.0060.03812.39
5.4.250.0080.03612.39
5.4.240.0090.03312.39
5.4.230.0070.04312.38
5.4.220.0090.04912.38
5.4.210.0080.04412.38
5.4.200.0080.03612.38
5.4.190.0090.03812.38
5.4.180.0040.04512.38
5.4.170.0090.03312.39
5.4.160.0050.04912.38
5.4.150.0060.03612.38
5.4.140.0060.04012.07
5.4.130.0050.03712.05
5.4.120.0070.03512.02
5.4.110.0050.03612.01
5.4.100.0050.03712.01
5.4.90.0080.03612.02
5.4.80.0050.03912.01
5.4.70.0120.03012.01
5.4.60.0060.04412.00
5.4.50.0080.03712.00
5.4.40.0070.04212.00
5.4.30.0080.04812.00
5.4.20.0080.03811.99
5.4.10.0070.03311.99
5.4.00.0100.03411.48
5.3.280.0100.04012.71
5.3.270.0090.04012.72
5.3.260.0040.04112.72
5.3.250.0090.03312.72
5.3.240.0110.04212.72
5.3.230.0060.03812.71
5.3.220.0090.03412.68
5.3.210.0070.03812.68
5.3.200.0040.03912.68
5.3.190.0090.03612.68
5.3.180.0070.03612.67
5.3.170.0120.03112.67
5.3.160.0020.04112.68
5.3.150.0080.03612.67
5.3.140.0060.03812.66
5.3.130.0070.03912.66
5.3.120.0080.04712.65
5.3.110.0050.05212.66
5.3.100.0060.03612.12
5.3.90.0070.04412.08
5.3.80.0070.04112.07
5.3.70.0090.03812.08
5.3.60.0070.03612.06
5.3.50.0090.03612.00
5.3.40.0100.04112.00
5.3.30.0070.03711.95
5.3.20.0080.03311.73
5.3.10.0040.03711.70
5.3.00.0050.03811.68
5.2.170.0050.0309.18
5.2.160.0080.0389.18
5.2.150.0040.0319.18
5.2.140.0070.0329.18
5.2.130.0060.0409.14
5.2.120.0050.0299.14
5.2.110.0040.0309.14
5.2.100.0060.0279.14
5.2.90.0040.0369.14
5.2.80.0060.0289.14
5.2.70.0050.0339.14
5.2.60.0070.0359.09
5.2.50.0050.0309.05
5.2.40.0090.0349.03
5.2.30.0070.0379.02
5.2.20.0040.0369.00
5.2.10.0040.0338.93
5.2.00.0060.0378.78
5.1.60.0060.0268.06
5.1.50.0030.0308.06
5.1.40.0040.0248.04
5.1.30.0070.0238.40
5.1.20.0050.0268.42
5.1.10.0060.0258.14
5.1.00.0040.0268.14
5.0.50.0040.0206.62
5.0.40.0040.0256.48
5.0.30.0010.0336.29
5.0.20.0040.0196.27
5.0.10.0050.0206.24
5.0.00.0070.0416.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0164.75
4.4.60.0030.0154.76
4.4.50.0030.0214.77
4.4.40.0030.0254.71
4.4.30.0010.0174.76
4.4.20.0030.0164.85
4.4.10.0030.0164.85
4.4.00.0040.0244.76
4.3.110.0020.0174.67
4.3.100.0030.0154.67
4.3.90.0010.0164.64
4.3.80.0050.0224.58
4.3.70.0040.0134.63
4.3.60.0040.0184.63
4.3.50.0040.0214.62
4.3.40.0040.0284.54
4.3.30.0030.0153.29
4.3.20.0010.0173.27
4.3.10.0020.0153.22
4.3.00.0000.02315.29

preferences:
140.93 ms | 1394 KiB | 7 Q