3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a =Null; var_dump($a==>0);

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)
5.4.340.0050.03412.01
5.4.320.0080.04412.49
5.4.310.0140.03812.49
5.4.300.0090.03512.50
5.4.290.0060.04012.49
5.4.280.0100.04512.39
5.4.270.0060.03712.39
5.4.260.0080.04012.39
5.4.250.0100.03712.39
5.4.240.0090.04112.39
5.4.230.0070.04212.38
5.4.220.0040.03812.38
5.4.210.0060.03412.38
5.4.200.0100.03512.38
5.4.190.0030.04012.38
5.4.180.0060.03612.38
5.4.170.0050.03512.38
5.4.160.0090.03112.38
5.4.150.0040.03812.38
5.4.140.0060.03512.07
5.4.130.0050.03512.05
5.4.120.0050.03412.02
5.4.110.0040.04412.01
5.4.100.0050.03612.01
5.4.90.0070.03712.01
5.4.80.0090.04112.01
5.4.70.0090.04312.01
5.4.60.0060.03412.00
5.4.50.0080.03312.00
5.4.40.0060.04011.99
5.4.30.0060.03511.99
5.4.20.0110.04611.99
5.4.10.0080.04111.99
5.4.00.0060.03711.48
5.3.290.0080.03812.80
5.3.280.0020.04212.71
5.3.270.0070.03712.72
5.3.260.0070.03912.72
5.3.250.0090.03512.72
5.3.240.0030.04212.71
5.3.230.0060.03612.71
5.3.220.0030.03812.68
5.3.210.0040.03912.68
5.3.200.0010.04112.68
5.3.190.0080.03712.68
5.3.180.0120.03112.68
5.3.170.0060.03812.67
5.3.160.0050.03812.67
5.3.150.0100.03712.67
5.3.140.0080.03712.66
5.3.130.0070.04612.66
5.3.120.0050.03912.66
5.3.110.0060.03912.66
5.3.100.0050.03712.12
5.3.90.0040.03812.08
5.3.80.0070.03412.07
5.3.70.0090.03312.07
5.3.60.0050.03712.06
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0050.04311.95
5.3.20.0070.04111.73
5.3.10.0040.03511.70
5.3.00.0080.04711.68
5.2.170.0050.0399.18
5.2.160.0030.0409.18
5.2.150.0080.0269.18
5.2.140.0030.0369.18
5.2.130.0050.0369.14
5.2.120.0030.0309.14
5.2.110.0050.0369.14
5.2.100.0040.0349.14
5.2.90.0050.0279.14
5.2.80.0050.0299.14
5.2.70.0040.0319.13
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0070.0279.03
5.2.30.0050.0359.01
5.2.20.0040.0329.00
5.2.10.0020.0308.93
5.2.00.0080.0278.78
5.1.60.0050.0228.06
5.1.50.0030.0258.06
5.1.40.0050.0278.05
5.1.30.0030.0278.39
5.1.20.0060.0278.42
5.1.10.0040.0258.14
5.1.00.0060.0248.14
5.0.50.0020.0226.62
5.0.40.0030.0196.48
5.0.30.0050.0296.29
5.0.20.0040.0186.27
5.0.10.0020.0206.24
5.0.00.0050.0366.23
4.4.90.0030.0144.78
4.4.80.0030.0144.75
4.4.70.0030.0144.75
4.4.60.0020.0164.76
4.4.50.0020.0204.77
4.4.40.0030.0284.71
4.4.30.0020.0164.76
4.4.20.0000.0184.84
4.4.10.0030.0144.85
4.4.00.0020.0254.75
4.3.110.0020.0174.67
4.3.100.0020.0154.67
4.3.90.0030.0144.64
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0163.28
4.3.20.0030.0153.26
4.3.10.0000.0173.22
4.3.00.0070.0306.85

preferences:
149.6 ms | 1394 KiB | 7 Q