3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { echo "called\n"; return 'aaa'; } isset(strlen($a));

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)
5.4.350.0200.06319.17
5.4.340.0050.03712.02
5.4.320.0080.03812.52
5.4.310.0030.04712.51
5.4.300.0070.04312.52
5.4.290.0060.05312.51
5.4.280.0070.04912.41
5.4.270.0100.04712.41
5.4.260.0050.04612.40
5.4.250.0100.03412.41
5.4.240.0100.03312.40
5.4.230.0070.03712.40
5.4.220.0060.03812.40
5.4.210.0090.03612.40
5.4.200.0090.03612.39
5.4.190.0070.03512.39
5.4.180.0070.04012.39
5.4.170.0050.03712.40
5.4.160.0050.04712.39
5.4.150.0120.03612.39
5.4.140.0090.03912.08
5.4.130.0060.03612.07
5.4.120.0050.03612.02
5.4.110.0080.03912.02
5.4.100.0090.03512.02
5.4.90.0070.05312.02
5.4.80.0070.04612.02
5.4.70.0090.03912.02
5.4.60.0060.03812.02
5.4.50.0100.03512.01
5.4.40.0060.04412.00
5.4.30.0090.04812.00
5.4.20.0080.04912.00
5.4.10.0070.04912.00
5.4.00.0100.04811.49
5.3.290.0080.05412.80
5.3.280.0100.04912.70
5.3.270.0090.05312.72
5.3.260.0090.05512.72
5.3.250.0120.05212.72
5.3.240.0120.05412.71
5.3.230.0100.03412.71
5.3.220.0070.03512.68
5.3.210.0070.03812.68
5.3.200.0110.03212.68
5.3.190.0030.04012.68
5.3.180.0050.03812.68
5.3.170.0060.03912.66
5.3.160.0060.03812.67
5.3.150.0100.03912.67
5.3.140.0100.05112.66
5.3.130.0060.04112.66
5.3.120.0080.04212.65
5.3.110.0100.04212.65
5.3.100.0070.04112.13
5.3.90.0150.05812.10
5.3.80.0080.04012.09
5.3.70.0090.04812.09
5.3.60.0080.04712.08
5.3.50.0070.05112.02
5.3.40.0090.04512.02
5.3.30.0020.03911.98
5.3.20.0050.03711.76
5.3.10.0080.03711.73
5.3.00.0060.04011.71
5.2.170.0060.0329.21
5.2.160.0080.0319.21
5.2.150.0070.0319.22
5.2.140.0090.0399.21
5.2.130.0070.0309.17
5.2.120.0060.0309.17
5.2.110.0020.0329.18
5.2.100.0050.0329.17
5.2.90.0070.0279.18
5.2.80.0050.0309.17
5.2.70.0060.0359.17
5.2.60.0070.0429.13
5.2.50.0080.0399.10
5.2.40.0050.0299.06
5.2.30.0080.0299.05
5.2.20.0070.0299.04
5.2.10.0030.0308.94
5.2.00.0050.0328.80
5.1.60.0030.0258.08
5.1.50.0040.0268.09
5.1.40.0040.0358.06
5.1.30.0040.0378.42
5.1.20.0040.0338.43
5.1.10.0070.0288.16
5.1.00.0070.0258.16
5.0.50.0030.0236.63
5.0.40.0050.0196.50
5.0.30.0030.0356.31
5.0.20.0050.0186.28
5.0.10.0030.0256.26
5.0.00.0040.0336.25
4.4.90.0010.0174.78
4.4.80.0040.0154.76
4.4.70.0000.0204.75
4.4.60.0050.0144.75
4.4.50.0020.0174.77
4.4.40.0030.0244.71
4.4.30.0050.0144.75
4.4.20.0010.0194.85
4.4.10.0030.0154.85
4.4.00.0040.0254.75
4.3.110.0030.0164.67
4.3.100.0030.0164.67
4.3.90.0030.0164.64
4.3.80.0020.0274.58
4.3.70.0010.0164.63
4.3.60.0040.0144.63
4.3.50.0050.0184.63
4.3.40.0030.0244.54
4.3.30.0000.0183.30
4.3.20.0000.0183.28
4.3.10.0020.0163.23
4.3.00.0130.0236.95

preferences:
145.54 ms | 1394 KiB | 7 Q