3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Test; class Test { public $s = strlen(''); public function test() { strlen ( "test" ); } } ?>

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)
5.4.320.0070.03512.51
5.4.310.0080.04412.51
5.4.300.0040.04012.50
5.4.290.0040.04012.51
5.4.280.0060.03512.40
5.4.270.0070.03512.40
5.4.260.0050.03712.40
5.4.250.0040.04012.40
5.4.240.0100.03612.40
5.4.230.0060.03712.39
5.4.220.0060.03612.39
5.4.210.0060.03512.39
5.4.200.0050.03712.39
5.4.190.0050.03512.39
5.4.180.0080.03212.39
5.4.170.0050.03712.39
5.4.160.0030.04012.39
5.4.150.0070.03412.39
5.4.140.0050.03712.08
5.4.130.0060.03412.06
5.4.120.0060.03512.02
5.4.110.0030.03912.03
5.4.100.0070.03612.02
5.4.90.0060.03612.02
5.4.80.0070.03412.02
5.4.70.0040.03412.02
5.4.60.0030.03612.02
5.4.50.0100.04812.02
5.4.40.0040.03912.00
5.4.30.0070.03312.00
5.4.20.0110.03412.00
5.4.10.0140.02912.00
5.4.00.0070.03611.50
5.3.290.0080.04012.80
5.3.280.0080.03412.71
5.3.270.0040.03912.72
5.3.260.0080.04012.72
5.3.250.0040.03612.72
5.3.240.0040.03912.72
5.3.230.0070.03712.71
5.3.220.0070.03612.68
5.3.210.0060.03912.68
5.3.200.0060.03512.68
5.3.190.0050.03912.68
5.3.180.0060.03612.68
5.3.170.0070.03512.67
5.3.160.0070.03812.67
5.3.150.0070.03712.68
5.3.140.0070.03912.66
5.3.130.0060.03812.66
5.3.120.0070.03712.66
5.3.110.0050.03912.66
5.3.100.0050.03812.12
5.3.90.0080.04212.10
5.3.80.0060.05112.09
5.3.70.0070.04312.09
5.3.60.0050.03612.07
5.3.50.0070.03912.02
5.3.40.0080.03712.02
5.3.30.0050.03511.98
5.3.20.0050.03511.76
5.3.10.0040.03611.73
5.3.00.0090.03211.71
5.2.170.0060.0309.18
5.2.160.0020.0319.18
5.2.150.0050.0299.18
5.2.140.0080.0269.18
5.2.130.0080.0259.14
5.2.120.0050.0289.14
5.2.110.0070.0279.15
5.2.100.0050.0279.14
5.2.90.0010.0319.14
5.2.80.0070.0269.14
5.2.70.0100.0299.14
5.2.60.0040.0299.09
5.2.50.0060.0289.06
5.2.40.0040.0289.04
5.2.30.0040.0339.01
5.2.20.0050.0279.00
5.2.10.0030.0288.93
5.2.00.0010.0318.79
5.1.60.0040.0238.06
5.1.50.0080.0198.06
5.1.40.0060.0228.05
5.1.30.0050.0248.39
5.1.20.0060.0248.42
5.1.10.0060.0248.14
5.1.00.0040.0258.14
5.0.50.0010.0226.62
5.0.40.0010.0216.48
5.0.30.0040.0296.29
5.0.20.0050.0176.27
5.0.10.0020.0206.24
5.0.00.0020.0316.23
4.4.90.0030.0174.78
4.4.80.0030.0164.75
4.4.70.0040.0144.76
4.4.60.0010.0174.75
4.4.50.0010.0164.77
4.4.40.0020.0264.71
4.4.30.0010.0164.76
4.4.20.0020.0154.84
4.4.10.0020.0154.84
4.4.00.0020.0254.76
4.3.110.0030.0154.66
4.3.100.0010.0164.67
4.3.90.0040.0134.64
4.3.80.0040.0254.59
4.3.70.0010.0184.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0010.0254.54
4.3.30.0010.0163.29
4.3.20.0030.0143.25
4.3.10.0010.0163.22
4.3.00.0000.0237.14

preferences:
135.97 ms | 1394 KiB | 7 Q