3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_pad(substr(NULL, 0, 8), 8))

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)
5.4.320.0050.03712.47
5.4.310.0060.03712.46
5.4.300.0080.03712.46
5.4.290.0060.03612.46
5.4.280.0070.04012.36
5.4.270.0040.04112.36
5.4.260.0060.04412.36
5.4.250.0090.03612.36
5.4.240.0060.04312.36
5.4.230.0070.04312.35
5.4.220.0070.03912.35
5.4.210.0100.03412.35
5.4.200.0060.03712.35
5.4.190.0080.03412.34
5.4.180.0090.03312.34
5.4.170.0070.04312.36
5.4.160.0090.03312.36
5.4.150.0070.03512.35
5.4.140.0050.03912.04
5.4.130.0060.03512.02
5.4.120.0060.03911.98
5.4.110.0050.03711.98
5.4.100.0050.03611.98
5.4.90.0060.03611.98
5.4.80.0080.03511.98
5.4.70.0030.03811.97
5.4.60.0050.03411.98
5.4.50.0060.04511.98
5.4.40.0080.03311.96
5.4.30.0030.03811.96
5.4.20.0050.03711.96
5.4.10.0040.03711.96
5.4.00.0060.03511.45
5.3.290.0070.03812.80
5.3.280.0070.03512.71
5.3.270.0070.03612.72
5.3.260.0090.03412.72
5.3.250.0090.03412.72
5.3.240.0060.03712.71
5.3.230.0060.03712.71
5.3.220.0090.03412.68
5.3.210.0050.03912.68
5.3.200.0080.04112.68
5.3.190.0040.03912.68
5.3.180.0090.04112.68
5.3.170.0110.03712.67
5.3.160.0050.04212.67
5.3.150.0110.03612.67
5.3.140.0050.03712.66
5.3.130.0050.03912.66
5.3.120.0040.04212.66
5.3.110.0070.04112.66
5.3.100.0060.04012.11
5.3.90.0040.03912.08
5.3.80.0060.03612.07
5.3.70.0050.03812.07
5.3.60.0090.03712.06
5.3.50.0050.03612.00
5.3.40.0110.03612.00
5.3.30.0030.03711.95
5.3.20.0120.02911.73
5.3.10.0060.03511.70
5.3.00.0040.03911.68
5.2.170.0080.0289.19
5.2.160.0030.0309.18
5.2.150.0040.0309.19
5.2.140.0040.0309.18
5.2.130.0080.0319.14
5.2.120.0030.0309.14
5.2.110.0050.0329.14
5.2.100.0050.0299.14
5.2.90.0050.0309.14
5.2.80.0020.0359.14
5.2.70.0050.0339.14
5.2.60.0060.0299.09
5.2.50.0030.0329.06
5.2.40.0030.0339.04
5.2.30.0050.0349.02
5.2.20.0020.0339.00
5.2.10.0020.0308.93
5.2.00.0090.0238.78
5.1.60.0050.0258.07
5.1.50.0050.0278.07
5.1.40.0010.0318.05
5.1.30.0080.0278.40
5.1.20.0060.0298.42
5.1.10.0030.0268.14
5.1.00.0050.0248.14
5.0.50.0010.0286.62
5.0.40.0030.0216.48
5.0.30.0070.0346.29
5.0.20.0040.0186.27
5.0.10.0040.0186.24
5.0.00.0030.0306.23
4.4.90.0020.0154.78
4.4.80.0020.0194.75
4.4.70.0010.0214.76
4.4.60.0030.0144.76
4.4.50.0040.0184.77
4.4.40.0030.0244.71
4.4.30.0040.0224.76
4.4.20.0020.0154.84
4.4.10.0030.0164.85
4.4.00.0030.0244.75
4.3.110.0030.0154.67
4.3.100.0040.0144.67
4.3.90.0030.0134.63
4.3.80.0040.0264.58
4.3.70.0040.0124.63
4.3.60.0010.0164.63
4.3.50.0020.0204.63
4.3.40.0020.0244.54
4.3.30.0030.0163.29
4.3.20.0030.0153.26
4.3.10.0020.0153.22
4.3.00.0070.01015.67

preferences:
146.26 ms | 1394 KiB | 7 Q