3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($_GET['adf'])); var_dump(isset(NULL));

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)
5.4.340.0070.03512.00
5.4.320.0050.04012.50
5.4.310.0090.04312.50
5.4.300.0060.03912.49
5.4.290.0140.06712.49
5.4.280.0100.04212.39
5.4.270.0100.04012.39
5.4.260.0100.04312.39
5.4.250.0090.04012.39
5.4.240.0080.04012.39
5.4.230.0120.03612.38
5.4.220.0060.04012.38
5.4.210.0050.04912.38
5.4.200.0070.04912.38
5.4.190.0050.05112.38
5.4.180.0110.06112.38
5.4.170.0090.06312.38
5.4.160.0080.05012.38
5.4.150.0060.05012.38
5.4.140.0090.04712.07
5.4.130.0050.04112.05
5.4.120.0050.04312.01
5.4.110.0090.04712.01
5.4.100.0060.04512.01
5.4.90.0130.04612.01
5.4.80.0060.04412.01
5.4.70.0040.03712.00
5.4.60.0040.03612.01
5.4.50.0070.03512.01
5.4.40.0070.03412.00
5.4.30.0040.03711.99
5.4.20.0080.03611.99
5.4.10.0060.03511.99
5.4.00.0050.03711.49
5.3.290.0080.04212.80
5.3.280.0050.04212.71
5.3.270.0120.04312.72
5.3.260.0120.04412.72
5.3.250.0070.03512.72
5.3.240.0070.03512.72
5.3.230.0090.03512.71
5.3.220.0060.03812.68
5.3.210.0040.04612.68
5.3.200.0060.03612.68
5.3.190.0070.03512.68
5.3.180.0050.03712.68
5.3.170.0050.03812.67
5.3.160.0050.03912.67
5.3.150.0020.04712.67
5.3.140.0100.03512.66
5.3.130.0050.04412.65
5.3.120.0060.04512.66
5.3.110.0060.04412.66
5.3.100.0060.03612.12
5.3.90.0060.03812.08
5.3.80.0060.03812.07
5.3.70.0050.03812.07
5.3.60.0030.03912.07
5.3.50.0040.03912.00
5.3.40.0050.04012.00
5.3.30.0060.03411.95
5.3.20.0060.03511.73
5.3.10.0070.03311.70
5.3.00.0060.04511.69
5.2.170.0040.0339.18
5.2.160.0050.0339.18
5.2.150.0050.0309.18
5.2.140.0040.0359.18
5.2.130.0030.0329.14
5.2.120.0070.0269.14
5.2.110.0050.0299.14
5.2.100.0040.0309.14
5.2.90.0070.0319.14
5.2.80.0050.0329.14
5.2.70.0040.0339.14
5.2.60.0060.0299.09
5.2.50.0030.0319.06
5.2.40.0050.0319.04
5.2.30.0050.0299.01
5.2.20.0070.0269.00
5.2.10.0040.0288.93
5.2.00.0040.0298.79
5.1.60.0020.0268.07
5.1.50.0060.0268.06
5.1.40.0040.0278.05
5.1.30.0070.0268.39
5.1.20.0040.0268.42
5.1.10.0060.0268.14
5.1.00.0060.0268.14
5.0.50.0050.0236.62
5.0.40.0050.0196.48
5.0.30.0110.0696.29
5.0.20.0030.0216.26
5.0.10.0030.0206.24
5.0.00.0040.0306.23
4.4.90.0020.0184.78
4.4.80.0030.0164.75
4.4.70.0020.0184.75
4.4.60.0040.0174.75
4.4.50.0020.0184.77
4.4.40.0040.0264.71
4.4.30.0050.0194.76
4.4.20.0040.0204.84
4.4.10.0060.0254.85
4.4.00.0030.0264.76
4.3.110.0040.0144.66
4.3.100.0060.0134.67
4.3.90.0030.0224.63
4.3.80.0030.0274.59
4.3.70.0020.0174.63
4.3.60.0030.0164.63
4.3.50.0040.0164.63
4.3.40.0020.0254.54
4.3.30.0030.0263.29
4.3.20.0040.0233.27
4.3.10.0030.0213.21
4.3.00.0100.0237.35

preferences:
144.91 ms | 1386 KiB | 7 Q