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)
5.4.310.0060.04512.50
5.4.300.0050.03712.50
5.4.290.0070.03612.49
5.4.280.0050.03612.39
5.4.270.0080.03512.39
5.4.260.0080.03612.39
5.4.250.0070.04412.39
5.4.240.0040.03912.39
5.4.230.0050.03812.38
5.4.220.0050.04212.38
5.4.210.0070.03612.38
5.4.200.0070.03712.38
5.4.190.0060.04112.38
5.4.180.0080.03512.38
5.4.170.0080.05412.38
5.4.160.0090.04112.38
5.4.150.0070.03412.38
5.4.140.0090.03412.07
5.4.130.0090.03712.05
5.4.120.0050.03912.02
5.4.110.0080.03812.01
5.4.100.0080.03612.01
5.4.90.0080.03512.01
5.4.80.0060.03712.01
5.4.70.0030.03812.00
5.4.60.0070.03512.00
5.4.50.0060.03612.01
5.4.40.0030.03912.00
5.4.30.0080.03411.99
5.4.20.0080.03811.98
5.4.10.0050.03512.00
5.4.00.0060.03611.48
5.3.280.0060.03812.71
5.3.270.0070.03912.72
5.3.260.0080.03812.72
5.3.250.0050.03912.72
5.3.240.0040.04112.72
5.3.230.0100.03412.71
5.3.220.0050.03912.68
5.3.210.0090.03712.68
5.3.200.0060.03812.68
5.3.190.0080.03712.68
5.3.180.0050.03812.68
5.3.170.0090.03412.66
5.3.160.0060.03912.68
5.3.150.0100.03812.68
5.3.140.0060.04112.66
5.3.130.0100.03812.66
5.3.120.0070.04112.66
5.3.110.0060.03912.66
5.3.100.0050.03712.12
5.3.90.0070.03512.09
5.3.80.0100.03912.07
5.3.70.0080.03812.07
5.3.60.0050.03812.06
5.3.50.0040.03812.00
5.3.40.0040.03912.00
5.3.30.0050.03611.95
5.3.20.0080.04711.72
5.3.10.0070.04911.70
5.3.00.0060.04611.68
5.2.170.0050.0319.18
5.2.160.0050.0419.18
5.2.150.0070.0379.18
5.2.140.0080.0329.18
5.2.130.0070.0409.14
5.2.120.0090.0329.14
5.2.110.0050.0309.14
5.2.100.0060.0289.14
5.2.90.0030.0319.14
5.2.80.0030.0339.14
5.2.70.0080.0319.14
5.2.60.0050.0299.10
5.2.50.0050.0309.06
5.2.40.0060.0299.03
5.2.30.0050.0359.01
5.2.20.0060.0329.01
5.2.10.0040.0298.93
5.2.00.0040.0308.78
5.1.60.0040.0248.07
5.1.50.0030.0278.07
5.1.40.0040.0248.05
5.1.30.0060.0258.40
5.1.20.0050.0278.42
5.1.10.0050.0318.14
5.1.00.0060.0238.14
5.0.50.0040.0206.63
5.0.40.0020.0216.48
5.0.30.0040.0426.29
5.0.20.0030.0286.26
5.0.10.0020.0216.24
5.0.00.0010.0356.23
4.4.90.0030.0174.78
4.4.80.0020.0164.76
4.4.70.0030.0164.76
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0020.0344.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0020.0194.85
4.4.00.0050.0274.76
4.3.110.0010.0184.67
4.3.100.0010.0174.67
4.3.90.0030.0154.63
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0010.0204.63
4.3.40.0030.0234.54
4.3.30.0010.0173.29
4.3.20.0030.0153.27
4.3.10.0020.0163.21
4.3.00.0070.01315.29

preferences:
139.42 ms | 1394 KiB | 7 Q