3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(n==null){ ech0 44;}else{ echo 66;}

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)
5.4.340.0010.03912.00
5.4.320.0080.03512.50
5.4.310.0040.03912.49
5.4.300.0040.04612.50
5.4.290.0050.03812.50
5.4.280.0080.03312.39
5.4.270.0030.03812.39
5.4.260.0050.04012.39
5.4.250.0110.03512.39
5.4.240.0080.03412.39
5.4.230.0080.03412.38
5.4.220.0070.03712.38
5.4.210.0040.04212.38
5.4.200.0120.03012.38
5.4.190.0050.03712.38
5.4.180.0040.03712.38
5.4.170.0070.03312.39
5.4.160.0100.03012.38
5.4.150.0050.03612.38
5.4.140.0040.03912.07
5.4.130.0070.03412.05
5.4.120.0040.03612.01
5.4.110.0070.03212.01
5.4.100.0030.03712.01
5.4.90.0060.03612.01
5.4.80.0090.04112.01
5.4.70.0060.03312.01
5.4.60.0050.03512.00
5.4.50.0050.04612.00
5.4.40.0060.03411.99
5.4.30.0040.03711.99
5.4.20.0060.03511.99
5.4.10.0080.03211.99
5.4.00.0070.03411.49
5.3.290.0060.03912.80
5.3.280.0070.03912.71
5.3.270.0060.03912.73
5.3.260.0080.03812.72
5.3.250.0060.03612.72
5.3.240.0070.03512.72
5.3.230.0090.03312.71
5.3.220.0070.03912.68
5.3.210.0080.04012.68
5.3.200.0080.03712.68
5.3.190.0080.03612.67
5.3.180.0060.04512.67
5.3.170.0050.04112.67
5.3.160.0100.03812.67
5.3.150.0050.03712.68
5.3.140.0060.03512.66
5.3.130.0060.04312.65
5.3.120.0070.03712.66
5.3.110.0080.03712.66
5.3.100.0090.03312.12
5.3.90.0040.03712.09
5.3.80.0070.03412.07
5.3.70.0070.03512.07
5.3.60.0050.03912.06
5.3.50.0090.03412.00
5.3.40.0050.03812.00
5.3.30.0050.03511.95
5.3.20.0070.03311.73
5.3.10.0050.03411.70
5.3.00.0060.03511.68
5.2.170.0040.0309.18
5.2.160.0100.0309.18
5.2.150.0030.0339.18
5.2.140.0050.0379.18
5.2.130.0020.0309.14
5.2.120.0050.0279.14
5.2.110.0050.0289.15
5.2.100.0030.0299.14
5.2.90.0050.0289.14
5.2.80.0030.0329.14
5.2.70.0060.0289.14
5.2.60.0040.0299.09
5.2.50.0020.0329.06
5.2.40.0050.0289.04
5.2.30.0050.0289.01
5.2.20.0050.0289.00
5.2.10.0080.0278.93
5.2.00.0080.0248.78
5.1.60.0050.0228.07
5.1.50.0030.0268.07
5.1.40.0050.0238.05
5.1.30.0080.0278.40
5.1.20.0040.0258.42
5.1.10.0050.0238.14
5.1.00.0050.0238.14
5.0.50.0010.0226.62
5.0.40.0080.0256.48
5.0.30.0030.0306.29
5.0.20.0030.0206.27
5.0.10.0040.0216.24
5.0.00.0050.0356.23
4.4.90.0040.0164.78
4.4.80.0020.0184.75
4.4.70.0040.0184.75
4.4.60.0030.0144.76
4.4.50.0040.0204.77
4.4.40.0040.0234.71
4.4.30.0030.0144.76
4.4.20.0050.0134.85
4.4.10.0030.0154.84
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0060.0114.66
4.3.90.0030.0144.63
4.3.80.0010.0254.58
4.3.70.0030.0134.63
4.3.60.0030.0134.63
4.3.50.0050.0134.63
4.3.40.0020.0244.54
4.3.30.0020.0173.29
4.3.20.0000.0173.26
4.3.10.0030.0183.21
4.3.00.0100.0237.49

preferences:
137.84 ms | 1386 KiB | 7 Q