3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 0; $x .= 1; $x .= 2; echo $x;

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)
8.3.40.0000.01518.63
8.3.30.0110.00419.09
8.3.20.0080.00020.04
8.3.10.0030.00620.70
8.3.00.0080.00019.38
8.2.170.0000.01522.96
8.2.160.0110.00620.46
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0070.00022.11
8.2.110.0040.00420.57
8.2.100.0080.00417.85
8.2.90.0040.00418.22
8.2.80.0050.00317.97
8.2.70.0040.00717.63
8.2.60.0050.00317.92
8.2.50.0040.00418.07
8.2.40.0040.00418.21
8.2.30.0040.00419.43
8.2.20.0050.00217.74
8.2.10.0050.00317.97
8.2.00.0000.00717.66
8.1.270.0050.00322.06
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00622.09
8.1.230.0110.00020.85
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0060.00318.10
8.1.170.0070.00418.46
8.1.160.0040.00421.89
8.1.150.0040.00418.73
8.1.140.0000.00717.33
8.1.130.0030.00317.69
8.1.120.0000.00717.37
8.1.110.0050.00317.32
8.1.100.0030.00317.31
8.1.90.0030.00317.44
8.1.80.0000.00817.28
8.1.70.0000.00717.39
8.1.60.0060.00317.39
8.1.50.0040.00417.45
8.1.40.0000.00717.39
8.1.30.0040.00417.52
8.1.20.0000.00717.51
8.1.10.0050.00317.53
8.1.00.0000.00817.46
8.0.300.0000.00720.02
8.0.290.0030.00516.63
8.0.280.0070.00018.34
8.0.270.0030.00317.32
8.0.260.0000.00617.30
8.0.250.0020.00516.95
8.0.240.0040.00416.88
8.0.230.0070.00016.78
8.0.220.0070.00016.86
8.0.210.0030.00316.70
8.0.200.0060.00016.89
8.0.190.0030.00516.81
8.0.180.0040.00416.83
8.0.170.0050.00216.81
8.0.160.0030.00316.87
8.0.150.0030.00316.75
8.0.140.0040.00416.79
8.0.130.0050.00013.30
8.0.120.0040.00416.81
8.0.110.0040.00416.71
8.0.100.0000.00716.68
8.0.90.0040.00416.82
8.0.80.0090.00916.80
8.0.70.0040.00416.75
8.0.60.0040.00416.60
8.0.50.0050.00216.84
8.0.30.0090.01116.92
8.0.20.0170.00317.40
8.0.10.0040.00416.92
8.0.00.0080.01116.73
7.4.330.0000.00515.09
7.4.320.0030.00316.57
7.4.300.0030.00316.51
7.4.290.0000.00616.54
7.4.280.0030.00516.32
7.4.270.0030.00316.50
7.4.260.0030.00516.52
7.4.250.0040.00416.39
7.4.240.0070.00016.44
7.4.230.0030.00316.59
7.4.220.0070.01116.29
7.4.210.0030.01016.42
7.4.200.0000.00716.61
7.4.160.0060.00916.25
7.4.150.0120.00617.40
7.4.140.0090.00717.86
7.4.130.0090.00916.45
7.4.120.0110.00616.32
7.4.110.0140.00316.50
7.4.100.0090.00916.36
7.4.90.0080.01116.49
7.4.80.0080.01616.52
7.4.70.0160.00616.46
7.4.60.0160.00016.46
7.4.50.0080.00016.26
7.4.40.0100.01016.50
7.4.30.0070.01416.58
7.4.00.0000.01114.68
7.3.330.0000.00512.95
7.3.320.0000.00513.12
7.3.310.0070.00016.21
7.3.300.0030.00316.17
7.3.290.0080.01216.15
7.3.280.0070.01016.23
7.3.270.0030.01417.40
7.3.260.0120.00616.59
7.3.250.0090.00816.23
7.3.240.0130.00616.59
7.3.230.0070.01016.41
7.3.210.0100.00616.54
7.3.200.0000.02119.39
7.3.190.0070.01016.24
7.3.180.0110.00416.43
7.3.170.0100.01116.45
7.3.160.0140.00916.59
7.2.330.0130.00316.57
7.2.320.0130.00416.59
7.2.310.0040.01416.40
7.2.300.0030.01216.62
7.2.290.0120.00316.24
7.2.60.0040.01116.96
7.2.00.0090.00319.41
7.1.200.0070.00715.35
7.1.100.0230.00716.19
7.1.70.0000.00917.00
7.1.60.0070.01019.32
7.1.50.0060.00916.85
7.1.00.0000.08022.45
7.0.200.0050.00216.82
7.0.140.0130.06322.01
7.0.60.0030.04319.91
7.0.50.0070.08317.87
7.0.40.0000.05020.06
7.0.30.0330.04720.08
7.0.20.0230.05020.03
7.0.10.0130.07720.12
7.0.00.0100.08020.03
5.6.280.0070.07020.80
5.6.210.0070.08720.50
5.6.200.0000.08018.18
5.6.190.0000.09320.43
5.6.180.0270.07320.39
5.6.170.0270.07320.59
5.6.160.0030.05320.50
5.6.150.0100.05018.22
5.6.140.0030.04318.07
5.6.130.0070.08718.11
5.6.120.0070.05721.11
5.6.110.0070.04720.98
5.6.100.0100.07720.97
5.6.90.0070.03720.96
5.6.80.0070.07020.36
5.6.70.3700.04320.42
5.5.350.0330.07720.32
5.5.340.0000.06317.89
5.5.330.0100.08020.36
5.5.320.0270.04320.13
5.5.310.0200.04320.23
5.5.300.0100.05017.91
5.5.290.0070.03717.90
5.5.280.0100.07720.75
5.5.270.0030.05720.76
5.5.260.0130.07720.85
5.5.250.0170.03720.54
5.5.240.0300.06020.27
5.4.450.0200.04319.45
5.4.440.0370.04719.45
5.4.430.0200.04719.45
5.4.420.0430.03719.47
5.4.410.0670.04019.45
5.4.400.0300.04019.45
5.4.390.0130.05019.45
5.4.380.0500.05018.72
5.4.370.0330.05018.57
5.4.360.0370.04718.46
5.4.350.0300.06318.74
5.4.340.0400.04718.65
5.4.320.0080.03412.45
5.4.310.0040.04012.45
5.4.300.0050.04012.45
5.4.290.0070.03812.45
5.4.280.0070.03312.35
5.4.270.0080.03312.34
5.4.260.0070.03612.34
5.4.250.0070.03612.34
5.4.240.0090.03512.34
5.4.230.0080.03812.34
5.4.220.0040.03712.34
5.4.210.0040.03712.34
5.4.200.0070.04412.34
5.4.190.0050.03712.33
5.4.180.0060.03512.33
5.4.170.0090.03412.34
5.4.160.0050.03712.34
5.4.150.0040.03712.34
5.4.140.0060.03612.02
5.4.130.0060.03512.01
5.4.120.0050.03511.97
5.4.110.0070.03411.96
5.4.100.0040.03711.96
5.4.90.0050.03711.96
5.4.80.0060.03611.96
5.4.70.0050.03511.96
5.4.60.0060.03311.96
5.4.50.0050.03411.96
5.4.40.0060.03311.95
5.4.30.0050.03511.95
5.4.20.0080.03611.95
5.4.10.0070.03611.95
5.4.00.0070.03411.43
5.3.290.0070.03812.80
5.3.280.0070.03712.71
5.3.270.0090.03812.72
5.3.260.0060.04012.72
5.3.250.0050.03712.72
5.3.240.0070.03412.72
5.3.230.0060.03812.71
5.3.220.0070.04212.68
5.3.210.0050.04012.68
5.3.200.0050.03912.68
5.3.190.0070.03812.68
5.3.180.0070.03512.67
5.3.170.0050.04012.67
5.3.160.0040.03912.67
5.3.150.0100.03612.67
5.3.140.0110.03712.66
5.3.130.0030.04612.66
5.3.120.0070.03912.66
5.3.110.0080.03912.65
5.3.100.0070.03912.12
5.3.90.0060.03612.08
5.3.80.0090.03512.07
5.3.70.0120.03412.08
5.3.60.0090.04112.07
5.3.50.0070.03612.00
5.3.40.0080.03712.00
5.3.30.0090.03111.94
5.3.20.0090.03211.71
5.3.10.0070.03311.69
5.3.00.0070.03411.67
5.2.170.0080.0279.17
5.2.160.0040.0309.17
5.2.150.0030.0329.18
5.2.140.0070.0289.17
5.2.130.0050.0369.13
5.2.120.0050.0279.13
5.2.110.0040.0299.14
5.2.100.0050.0279.14
5.2.90.0060.0279.13
5.2.80.0040.0309.13
5.2.70.0050.0309.13
5.2.60.0050.0309.09
5.2.50.0050.0299.05
5.2.40.0040.0319.03
5.2.30.0030.0319.00
5.2.20.0060.0288.99
5.2.10.0060.0308.93
5.2.00.0060.0298.79
5.1.60.0040.0238.07
5.1.50.0060.0248.07
5.1.40.0020.0278.05
5.1.30.0070.0238.41
5.1.20.0050.0258.43
5.1.10.0050.0338.14
5.1.00.0050.0328.14
5.0.50.0040.0206.63
5.0.40.0020.0206.48
5.0.30.0030.0316.30
5.0.20.0010.0216.27
5.0.10.0050.0186.24
5.0.00.0030.0396.24
4.4.90.0060.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0144.75
4.4.60.0030.0234.75
4.4.50.0060.0214.77
4.4.40.0020.0324.70
4.4.30.0030.0204.76
4.4.20.0040.0184.85
4.4.10.0030.0184.85
4.4.00.0040.0244.76
4.3.110.0030.0274.67
4.3.100.0050.0124.67
4.3.90.0020.0154.63
4.3.80.0010.0254.59
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0040.0154.63
4.3.40.0040.0224.54
4.3.30.0020.0153.29
4.3.20.0020.0163.27
4.3.10.0020.0153.22
4.3.00.0070.01319.45

preferences:
43.12 ms | 400 KiB | 5 Q