3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo isset(0), "\n"; echo isset(false), "\n";

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)
5.4.310.0070.03612.49
5.4.300.0070.03412.50
5.4.290.0090.03712.50
5.4.280.0080.03512.39
5.4.270.0050.03712.39
5.4.260.0030.03912.39
5.4.250.0030.04012.39
5.4.240.0050.03812.39
5.4.230.0030.04012.38
5.4.220.0070.03512.38
5.4.210.0070.03412.38
5.4.200.0040.04112.38
5.4.190.0110.03112.38
5.4.180.0080.03612.38
5.4.170.0100.03012.38
5.4.160.0050.03812.38
5.4.150.0090.03812.38
5.4.140.0060.03712.07
5.4.130.0050.03612.05
5.4.120.0090.03212.02
5.4.110.0050.03812.01
5.4.100.0120.04612.01
5.4.90.0060.03912.01
5.4.80.0040.03912.02
5.4.70.0070.03512.00
5.4.60.0110.03212.01
5.4.50.0070.03512.01
5.4.40.0080.03212.00
5.4.30.0080.03611.99
5.4.20.0080.04011.99
5.4.10.0070.04511.99
5.4.00.0090.04411.48
5.3.280.0070.04712.71
5.3.270.0070.04612.72
5.3.260.0090.04812.72
5.3.250.0070.04512.71
5.3.240.0120.04212.72
5.3.230.0050.04012.71
5.3.220.0080.04212.68
5.3.210.0090.04012.68
5.3.200.0100.03812.68
5.3.190.0100.04012.68
5.3.180.0060.03812.67
5.3.170.0070.04512.67
5.3.160.0100.03612.67
5.3.150.0070.03712.68
5.3.140.0040.03812.66
5.3.130.0070.04212.66
5.3.120.0080.03912.65
5.3.110.0100.04712.66
5.3.100.0130.04412.12
5.3.90.0090.04012.09
5.3.80.0050.04712.07
5.3.70.0120.04512.08
5.3.60.0050.04712.06
5.3.50.0090.03812.00
5.3.40.0070.04512.00
5.3.30.0090.04511.95
5.3.20.0070.03611.73
5.3.10.0080.03411.70
5.3.00.0060.03611.68
5.2.170.0060.0309.18
5.2.160.0060.0299.18
5.2.150.0050.0319.18
5.2.140.0060.0349.18
5.2.130.0070.0349.14
5.2.120.0030.0349.14
5.2.110.0040.0319.15
5.2.100.0100.0279.14
5.2.90.0070.0369.14
5.2.80.0060.0359.14
5.2.70.0020.0349.14
5.2.60.0050.0309.09
5.2.50.0080.0289.05
5.2.40.0040.0339.04
5.2.30.0020.0339.01
5.2.20.0080.0269.00
5.2.10.0040.0318.93
5.2.00.0090.0308.78
5.1.60.0050.0238.06
5.1.50.0020.0278.06
5.1.40.0050.0248.05
5.1.30.0060.0298.39
5.1.20.0030.0338.42
5.1.10.0060.0258.14
5.1.00.0040.0328.14
5.0.50.0070.0226.63
5.0.40.0070.0196.48
5.0.30.0040.0366.29
5.0.20.0040.0236.26
5.0.10.0020.0226.23
5.0.00.0050.0386.23
4.4.90.0040.0224.77
4.4.80.0030.0264.75
4.4.70.0030.0224.76
4.4.60.0040.0174.76
4.4.50.0060.0124.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0030.0154.84
4.4.00.0020.0254.75
4.3.110.0010.0174.67
4.3.100.0030.0144.66
4.3.90.0030.0144.63
4.3.80.0040.0234.59
4.3.70.0050.0124.63
4.3.60.0040.0134.63
4.3.50.0040.0154.63
4.3.40.0020.0244.54
4.3.30.0030.0163.29
4.3.20.0010.0183.27
4.3.10.0050.0163.21
4.3.00.0030.01715.89

preferences:
147.19 ms | 1386 KiB | 7 Q