3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Bob { class Foo {} $foo = new Foo; } class Foo {} $loose = new Foo; namespace Bar { $bar = new Foo; }

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)
5.4.350.0100.05719.04
5.4.340.0090.04012.02
5.4.320.0070.04012.50
5.4.310.0100.03912.50
5.4.300.0040.04312.50
5.4.290.0100.03612.50
5.4.280.0070.03612.40
5.4.270.0080.03812.40
5.4.260.0100.03912.40
5.4.250.0090.05112.40
5.4.240.0080.03712.40
5.4.230.0050.04112.39
5.4.220.0080.04112.40
5.4.210.0080.03812.39
5.4.200.0040.04012.39
5.4.190.0050.04112.39
5.4.180.0060.04012.39
5.4.170.0100.03412.40
5.4.160.0080.03612.39
5.4.150.0130.04212.39
5.4.140.0080.03612.07
5.4.130.0100.03312.07
5.4.120.0060.03812.02
5.4.110.0060.03712.02
5.4.100.0030.04012.02
5.4.90.0080.04012.02
5.4.80.0070.04012.02
5.4.70.0070.03912.01
5.4.60.0040.05212.02
5.4.50.0090.04212.01
5.4.40.0120.04712.00
5.4.30.0060.03712.00
5.4.20.0060.04212.00
5.4.10.0070.03512.00
5.4.00.0060.03811.49
5.3.290.0080.04312.80
5.3.280.0100.03712.71
5.3.270.0070.03812.72
5.3.260.0090.03912.72
5.3.250.0090.03712.72
5.3.240.0090.03612.72
5.3.230.0040.04212.71
5.3.220.0060.03912.68
5.3.210.0070.03912.68
5.3.200.0140.03112.68
5.3.190.0070.04112.68
5.3.180.0080.03712.67
5.3.170.0060.04212.66
5.3.160.0070.04012.67
5.3.150.0100.03912.67
5.3.140.0080.03612.66
5.3.130.0080.03812.66
5.3.120.0070.04212.66
5.3.110.0110.04712.66
5.3.100.0070.03912.11
5.3.90.0050.03912.10
5.3.80.0060.03712.09
5.3.70.0040.04012.09
5.3.60.0090.04312.07
5.3.50.0100.04912.02
5.3.40.0050.04912.02
5.3.30.0070.03711.99
5.3.20.0070.04011.76
5.3.10.0060.04811.72
5.3.00.0090.04711.71
5.2.170.0070.0319.18
5.2.160.0040.0309.18
5.2.150.0030.0349.18
5.2.140.0050.0339.18
5.2.130.0080.0289.14
5.2.120.0050.0319.14
5.2.110.0060.0319.15
5.2.100.0060.0319.14
5.2.90.0090.0309.14
5.2.80.0060.0319.14
5.2.70.0090.0269.14
5.2.60.0040.0309.09
5.2.50.0040.0309.06
5.2.40.0070.0289.04
5.2.30.0040.0329.01
5.2.20.0060.0289.00
5.2.10.0050.0288.92
5.2.00.0070.0268.78
5.1.60.0050.0248.06
5.1.50.0030.0308.06
5.1.40.0040.0338.05
5.1.30.0060.0358.39
5.1.20.0070.0268.42
5.1.10.0040.0278.14
5.1.00.0020.0278.14
5.0.50.0040.0216.63
5.0.40.0050.0206.48
5.0.30.0020.0356.29
5.0.20.0040.0196.26
5.0.10.0050.0186.24
5.0.00.0040.0306.23
4.4.90.0030.0174.78
4.4.80.0030.0174.75
4.4.70.0060.0154.75
4.4.60.0040.0144.75
4.4.50.0040.0154.77
4.4.40.0030.0264.71
4.4.30.0040.0214.76
4.4.20.0030.0164.84
4.4.10.0020.0164.85
4.4.00.0050.0284.76
4.3.110.0030.0154.67
4.3.100.0040.0144.67
4.3.90.0020.0164.64
4.3.80.0030.0264.58
4.3.70.0040.0134.63
4.3.60.0020.0164.63
4.3.50.0030.0154.63
4.3.40.0040.0294.54
4.3.30.0000.0193.29
4.3.20.0000.0203.26
4.3.10.0020.0173.21
4.3.00.0100.0236.94

preferences:
142.9 ms | 1394 KiB | 7 Q