3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset(($a = strlen("dasdf")));

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)
5.4.340.0110.03412.01
5.4.320.0090.05212.50
5.4.310.0060.04212.49
5.4.300.0060.04112.50
5.4.290.0080.04212.49
5.4.280.0090.04212.39
5.4.270.0050.04312.39
5.4.260.0100.04112.39
5.4.250.0110.04612.39
5.4.240.0100.04412.39
5.4.230.0050.04412.38
5.4.220.0090.04012.38
5.4.210.0060.03812.38
5.4.200.0070.04212.38
5.4.190.0060.04012.38
5.4.180.0050.06312.38
5.4.170.0050.04612.38
5.4.160.0080.04812.38
5.4.150.0090.03612.38
5.4.140.0080.04612.07
5.4.130.0100.04512.05
5.4.120.0140.05612.02
5.4.110.0070.03512.02
5.4.100.0040.03712.01
5.4.90.0030.04012.01
5.4.80.0050.03812.02
5.4.70.0050.03612.01
5.4.60.0060.03512.01
5.4.50.0070.04312.00
5.4.40.0120.03611.99
5.4.30.0070.04011.99
5.4.20.0060.04211.99
5.4.10.0160.06811.99
5.4.00.0140.04611.48
5.3.290.0090.04712.80
5.3.280.0090.04212.71
5.3.270.0070.04512.72
5.3.260.0040.04312.72
5.3.250.0050.04512.72
5.3.240.0160.05712.72
5.3.230.0130.04012.71
5.3.220.0130.06912.68
5.3.210.0120.06812.68
5.3.200.0100.05012.68
5.3.190.0100.05012.68
5.3.180.0100.03912.67
5.3.170.0080.05112.67
5.3.160.0100.03712.68
5.3.150.0130.05012.68
5.3.140.0100.04012.66
5.3.130.0070.04912.66
5.3.120.0090.04312.66
5.3.110.0050.04312.66
5.3.100.0100.03812.12
5.3.90.0050.03912.08
5.3.80.0060.03912.07
5.3.70.0050.04212.07
5.3.60.0100.03712.06
5.3.50.0090.03812.00
5.3.40.0100.03912.00
5.3.30.0070.03611.95
5.3.20.0030.03811.73
5.3.10.0090.03611.70
5.3.00.0080.04311.68
5.2.170.0050.0329.18
5.2.160.0040.0369.18
5.2.150.0070.0339.18
5.2.140.0070.0339.18
5.2.130.0060.0399.14
5.2.120.0160.0569.14
5.2.110.0100.0349.15
5.2.100.0070.0359.14
5.2.90.0090.0379.14
5.2.80.0060.0299.14
5.2.70.0040.0339.14
5.2.60.0070.0419.09
5.2.50.0060.0419.05
5.2.40.0110.0339.04
5.2.30.0050.0319.02
5.2.20.0050.0329.00
5.2.10.0090.0278.93
5.2.00.0050.0348.79
5.1.60.0060.0268.07
5.1.50.0040.0278.06
5.1.40.0030.0298.05
5.1.30.0050.0288.40
5.1.20.0050.0288.42
5.1.10.0060.0258.14
5.1.00.0050.0298.14
5.0.50.0060.0216.62
5.0.40.0090.0226.48
5.0.30.0030.0376.29
5.0.20.0000.0246.26
5.0.10.0040.0216.24
5.0.00.0060.0346.23
4.4.90.0060.0194.78
4.4.80.0050.0194.75
4.4.70.0020.0184.75
4.4.60.0050.0214.75
4.4.50.0070.0304.77
4.4.40.0040.0434.71
4.4.30.0030.0214.76
4.4.20.0060.0164.84
4.4.10.0080.0244.85
4.4.00.0010.0284.76
4.3.110.0030.0164.67
4.3.100.0030.0164.66
4.3.90.0030.0144.63
4.3.80.0040.0254.58
4.3.70.0040.0144.63
4.3.60.0030.0154.63
4.3.50.0050.0144.63
4.3.40.0040.0314.54
4.3.30.0040.0153.29
4.3.20.0020.0163.27
4.3.10.0030.0153.22
4.3.00.0130.0206.96

preferences:
143.42 ms | 1394 KiB | 7 Q