3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() {return null} var_dump(empty(test()));

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)
5.4.310.0100.04412.51
5.4.300.0130.03412.52
5.4.290.0070.03812.50
5.4.280.0050.03912.40
5.4.270.0060.03812.40
5.4.260.0070.03812.41
5.4.250.0070.04912.40
5.4.240.0050.04312.40
5.4.230.0060.04312.40
5.4.220.0060.04212.39
5.4.210.0040.04312.40
5.4.200.0060.04812.40
5.4.190.0040.04412.39
5.4.180.0030.04012.39
5.4.170.0070.04712.40
5.4.160.0090.04112.39
5.4.150.0080.04112.39
5.4.140.0060.03612.09
5.4.130.0110.03312.07
5.4.120.0050.03712.03
5.4.110.0050.03612.03
5.4.100.0070.03412.03
5.4.90.0070.03912.03
5.4.80.0080.03712.03
5.4.70.0050.03612.02
5.4.60.0080.03612.02
5.4.50.0110.04012.03
5.4.40.0040.04312.01
5.4.30.0070.03812.00
5.4.20.0060.04112.00
5.4.10.0090.04212.01
5.4.00.0090.03811.50
5.3.280.0090.04012.71
5.3.270.0060.04012.72
5.3.260.0100.04112.72
5.3.250.0060.03812.72
5.3.240.0050.03812.72
5.3.230.0050.03912.71
5.3.220.0070.04312.68
5.3.210.0060.03912.68
5.3.200.0070.04312.68
5.3.190.0070.03812.68
5.3.180.0060.03712.67
5.3.170.0070.03812.67
5.3.160.0070.03512.67
5.3.150.0070.03612.68
5.3.140.0020.04012.66
5.3.130.0090.03512.66
5.3.120.0020.04312.66
5.3.110.0080.04212.66
5.3.100.0050.03812.12
5.3.90.0090.03312.11
5.3.80.0050.03712.09
5.3.70.0060.04012.09
5.3.60.0050.04412.08
5.3.50.0050.03712.02
5.3.40.0070.03712.02
5.3.30.0080.03911.98
5.3.20.0100.04011.76
5.3.10.0070.03711.73
5.3.00.0070.03611.71
5.2.170.0070.0409.23
5.2.160.0040.0359.21
5.2.150.0070.0369.22
5.2.140.0080.0279.21
5.2.130.0020.0319.18
5.2.120.0040.0299.18
5.2.110.0060.0329.18
5.2.100.0050.0309.18
5.2.90.0050.0369.18
5.2.80.0080.0289.18
5.2.70.0130.0319.18
5.2.60.0050.0329.13
5.2.50.0040.0329.09
5.2.40.0040.0329.07
5.2.30.0060.0369.05
5.2.20.0070.0319.04
5.2.10.0050.0348.95
5.2.00.0040.0368.80
5.1.60.0090.0268.08
5.1.50.0040.0298.08
5.1.40.0060.0278.07
5.1.30.0010.0298.43
5.1.20.0060.0258.44
5.1.10.0060.0248.16
5.1.00.0050.0268.16
5.0.50.0040.0296.64
5.0.40.0060.0196.50
5.0.30.0030.0356.31
5.0.20.0050.0306.28
5.0.10.0040.0226.25
5.0.00.0020.0326.25
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0030.0154.75
4.4.60.0020.0174.76
4.4.50.0030.0164.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0050.0184.85
4.4.00.0040.0254.75
4.3.110.0020.0174.67
4.3.100.0020.0164.66
4.3.90.0040.0154.63
4.3.80.0040.0244.58
4.3.70.0040.0174.63
4.3.60.0040.0164.63
4.3.50.0010.0174.63
4.3.40.0020.0264.54
4.3.30.0020.0163.30
4.3.20.0040.0173.27
4.3.10.0010.0173.23
4.3.00.0000.0278.45

preferences:
141.62 ms | 1398 KiB | 7 Q