3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bits = 0; $r = 5; while ($r >>= 1) { echo $bits++; }

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)
8.3.40.0070.00718.60
8.3.30.0090.00619.10
8.3.20.0080.00020.22
8.3.10.0000.00923.52
8.3.00.0000.00819.38
8.2.170.0110.00422.96
8.2.160.0080.00818.86
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.07
8.2.110.0090.00022.18
8.2.100.0070.00417.84
8.2.90.0050.00319.17
8.2.80.0050.00317.97
8.2.70.0070.00317.50
8.2.60.0030.00818.03
8.2.50.0060.00618.07
8.2.40.0000.00819.91
8.2.30.0040.00418.30
8.2.20.0040.00417.71
8.2.10.0040.00417.86
8.2.00.0000.00717.65
8.1.270.0030.00623.96
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00320.93
8.1.230.0080.00317.57
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0100.00017.22
8.1.190.0000.01017.21
8.1.180.0040.00418.89
8.1.170.0000.00818.48
8.1.160.0000.00721.93
8.1.150.0000.00718.50
8.1.140.0040.00417.41
8.1.130.0070.00017.86
8.1.120.0030.00417.40
8.1.110.0040.00417.35
8.1.100.0000.00717.27
8.1.90.0040.00417.29
8.1.80.0040.00417.29
8.1.70.0030.00317.34
8.1.60.0030.00617.52
8.1.50.0060.00317.39
8.1.40.0030.00517.39
8.1.30.0000.00917.58
8.1.20.0000.00817.54
8.1.10.0000.00817.55
8.1.00.0070.00017.43
8.0.300.0070.00018.77
8.0.290.0030.00516.63
8.0.280.0070.00018.43
8.0.270.0000.00717.18
8.0.260.0030.00317.12
8.0.250.0070.00016.86
8.0.240.0000.00616.90
8.0.230.0070.00016.74
8.0.220.0000.00716.73
8.0.210.0000.00716.80
8.0.200.0000.00716.80
8.0.190.0040.00416.92
8.0.180.0000.00916.88
8.0.170.0000.00716.83
8.0.160.0080.00016.91
8.0.150.0000.00816.69
8.0.140.0000.00816.78
8.0.130.0050.00013.21
8.0.120.0080.00016.79
8.0.110.0000.00716.69
8.0.100.0000.00816.83
8.0.90.0020.00516.82
8.0.80.0090.00916.83
8.0.70.0080.00016.83
8.0.60.0000.00716.82
8.0.50.0000.00916.70
8.0.30.0070.01016.98
8.0.20.0100.00717.40
8.0.10.0040.00416.80
8.0.00.0110.00816.53
7.4.330.0050.00015.03
7.4.320.0000.00616.52
7.4.300.0030.00316.52
7.4.290.0080.00016.57
7.4.280.0000.00816.53
7.4.270.0030.00316.46
7.4.260.0070.00016.55
7.4.250.0040.00416.41
7.4.240.0060.00116.45
7.4.230.0020.00516.61
7.4.220.0110.00616.46
7.4.210.0080.00716.41
7.4.200.0040.00416.43
7.4.190.0000.00716.33
7.4.160.0160.00016.45
7.4.150.0070.01717.40
7.4.140.0110.00617.86
7.4.130.0050.01116.52
7.4.120.0110.00616.39
7.4.110.0100.00716.50
7.4.100.0140.00716.47
7.4.90.0110.00716.36
7.4.80.0210.00019.39
7.4.70.0100.00716.44
7.4.60.0070.01016.21
7.4.50.0000.00916.32
7.4.40.0000.01616.32
7.4.30.0100.01316.47
7.4.00.0100.00714.93
7.3.330.0060.00013.12
7.3.320.0000.00812.90
7.3.310.0000.00715.99
7.3.300.0080.00016.03
7.3.290.0100.01016.24
7.3.280.0080.00716.23
7.3.270.0040.01517.40
7.3.260.0060.01616.36
7.3.250.0160.00316.49
7.3.240.0060.00916.20
7.3.230.0160.00016.48
7.3.210.0070.01016.29
7.3.200.0120.00919.39
7.3.190.0090.00916.45
7.3.180.0090.00616.48
7.3.170.0090.00616.48
7.3.160.0120.00316.24
7.3.120.0000.01514.78
7.3.10.0070.00716.75
7.3.00.0070.00416.61
7.2.330.0150.00316.31
7.2.320.0100.00716.19
7.2.310.0110.00616.67
7.2.300.0070.01016.24
7.2.290.0190.00316.72
7.2.130.0060.00916.46
7.2.120.0070.00717.06
7.2.110.0000.01116.55
7.2.100.0040.01116.89
7.2.90.0070.00716.85
7.2.80.0030.01016.93
7.2.70.0060.00617.02
7.2.60.0000.01416.77
7.2.50.0090.00316.53
7.2.40.0040.00816.77
7.2.30.0070.00716.86
7.2.20.0070.01016.79
7.2.10.0030.00716.68
7.2.00.0020.01117.87
7.1.250.0000.00715.87
7.1.200.0040.00715.56
7.1.100.0070.00317.81
7.1.70.0000.00817.13
7.1.60.0070.00719.46
7.1.50.0130.02234.70
7.1.00.0070.07322.28
7.0.200.0000.01016.90
7.0.140.0070.06721.97
7.0.60.0030.04319.92
7.0.50.0000.04317.85
7.0.40.0100.08019.98
7.0.30.0300.07320.09
7.0.20.0300.06020.04
7.0.10.0070.05320.16
7.0.00.0100.03720.33
5.6.280.0030.07721.07
5.6.210.0070.08020.68
5.6.200.0070.07018.16
5.6.190.0170.05320.61
5.6.180.0030.08020.67
5.6.170.0270.03720.48
5.6.160.0030.08720.54
5.6.150.0100.08018.22
5.6.140.0130.05018.16
5.6.130.0230.03718.14
5.6.120.0030.05020.98
5.6.110.0000.09321.13
5.6.100.0070.09020.98
5.6.90.0000.08720.96
5.6.80.0130.06020.39
5.5.350.0370.06020.40
5.5.340.0000.09017.89
5.5.330.0100.06320.23
5.5.320.0130.09020.18
5.5.310.0300.08720.29
5.5.300.0070.05017.89
5.5.290.0070.04318.01
5.5.280.0000.04320.88
5.5.270.0100.05320.94
5.5.260.0070.05320.79
5.5.250.0100.08320.68
5.5.240.0030.04020.15
5.4.450.0270.05319.63
5.4.440.0370.06319.63
5.4.430.0370.04719.58
5.4.420.0270.05319.48
5.4.410.0130.06319.32
5.4.400.0200.06019.15
5.4.390.0370.04719.30
5.4.380.0300.05718.59
5.4.370.0430.05018.68
5.4.360.0570.05718.74
5.4.350.0330.05318.68
5.4.340.0400.05318.72
5.4.320.0040.03812.45
5.4.310.0070.03612.45
5.4.300.0030.03812.45
5.4.290.0090.04612.45
5.4.280.0060.04412.34
5.4.270.0080.04412.35
5.4.260.0060.04012.35
5.4.250.0080.04412.34
5.4.240.0090.05012.35
5.4.230.0070.04412.34
5.4.220.0070.03912.34
5.4.210.0020.04212.34
5.4.200.0080.04312.34
5.4.190.0110.04512.33
5.4.180.0060.05712.34
5.4.170.0060.06112.34
5.4.160.0070.04412.34
5.4.150.0060.03812.34
5.4.140.0060.04412.02
5.4.130.0070.03912.01
5.4.120.0110.05511.96
5.4.110.0190.08011.96
5.4.100.0120.03311.96
5.4.90.0090.04011.97
5.4.80.0090.04611.96
5.4.70.0070.03711.96
5.4.60.0210.06111.96
5.4.50.0200.06811.96
5.4.40.0140.06911.95
5.4.30.0110.07611.95
5.4.20.0110.04811.95
5.4.10.0060.04311.95
5.4.00.0000.04311.44
5.3.290.0070.04612.80
5.3.280.0060.05412.71
5.3.270.0110.06512.72
5.3.260.0180.06012.72
5.3.250.0150.08612.71
5.3.240.0090.05112.71
5.3.230.0080.03812.71
5.3.220.0060.03812.68
5.3.210.0130.04512.68
5.3.200.0070.03712.68
5.3.190.0080.04012.67
5.3.180.0060.04012.68
5.3.170.0080.03812.67
5.3.160.0090.04212.67
5.3.150.0080.04312.67
5.3.140.0120.03912.66
5.3.130.0170.07612.66
5.3.120.0120.04512.66
5.3.110.0070.04312.66
5.3.100.0130.05612.12
5.3.90.0120.05312.08
5.3.80.0160.04912.07
5.3.70.0130.04412.08
5.3.60.0090.03912.07
5.3.50.0110.04812.00
5.3.40.0060.04112.00
5.3.30.0070.03711.94
5.3.20.0050.03911.72
5.3.10.0060.03711.69
5.3.00.0130.05411.67
5.2.170.0100.0349.18
5.2.160.0080.0529.18
5.2.150.0080.0489.18
5.2.140.0040.0359.18
5.2.130.0210.0649.14
5.2.120.0120.0349.14
5.2.110.0090.0619.14
5.2.100.0060.0419.14
5.2.90.0090.0399.13
5.2.80.0060.0399.13
5.2.70.0060.0469.13
5.2.60.0110.0439.08
5.2.50.0060.0519.05
5.2.40.0070.0439.03
5.2.30.0050.0339.01
5.2.20.0080.0329.00
5.2.10.0080.0278.93
5.2.00.0060.0318.79
5.1.60.0080.0238.07
5.1.50.0070.0398.07
5.1.40.0120.0518.05
5.1.30.0050.0308.40
5.1.20.0030.0328.42
5.1.10.0100.0318.15
5.1.00.0100.0438.15
5.0.50.0090.0256.63
5.0.40.0030.0226.48
5.0.30.0010.0356.30
5.0.20.0060.0306.27
5.0.10.0060.0276.24
5.0.00.0050.0396.24
4.4.90.0030.0294.78
4.4.80.0010.0234.75
4.4.70.0100.0454.75
4.4.60.0040.0164.76
4.4.50.0060.0144.77
4.4.40.0020.0274.70
4.4.30.0010.0184.76
4.4.20.0030.0164.84
4.4.10.0040.0154.84
4.4.00.0020.0264.76
4.3.110.0060.0154.67
4.3.100.0010.0194.66
4.3.90.0020.0394.63
4.3.80.0020.0284.59
4.3.70.0050.0214.63
4.3.60.0030.0224.63
4.3.50.0070.0204.63
4.3.40.0100.0394.53
4.3.30.0050.0223.29
4.3.20.0070.0273.27
4.3.10.0060.0343.23
4.3.00.0100.0179.25

preferences:
44.7 ms | 400 KiB | 5 Q