3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i=0; $i<20; $i++) { echo base64_encode(pack('N', $i*256)); }

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)
8.3.60.0110.01116.38
8.3.50.0130.00522.83
8.3.40.0150.00318.71
8.3.30.0110.00318.95
8.3.20.0000.00820.04
8.3.10.0070.00021.73
8.3.00.0080.00017.34
8.2.180.0090.00618.29
8.2.170.0070.00722.96
8.2.160.0120.00320.35
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0040.00421.03
8.2.110.0060.00322.08
8.2.100.0080.00317.72
8.2.90.0020.00519.26
8.2.80.0000.01017.97
8.2.70.0000.00817.62
8.2.60.0030.00618.04
8.2.50.0030.00618.07
8.2.40.0000.00818.13
8.2.30.0080.00018.11
8.2.20.0040.00417.69
8.2.10.0000.00818.07
8.2.00.0040.00417.61
8.1.280.0140.00425.92
8.1.270.0040.00423.96
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00823.84
8.1.230.0040.00719.04
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00817.35
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0040.00418.50
8.1.160.0000.00721.93
8.1.150.0000.00718.81
8.1.140.0000.00717.27
8.1.130.0070.00017.72
8.1.120.0000.00717.40
8.1.110.0080.00017.30
8.1.100.0040.00417.37
8.1.90.0030.00317.42
8.1.80.0000.00717.42
8.1.70.0000.01017.39
8.1.60.0000.01017.40
8.1.50.0000.00817.43
8.1.40.0060.00317.41
8.1.30.0060.00317.50
8.1.20.0030.00617.62
8.1.10.0000.00717.36
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.29
8.0.270.0040.00417.23
8.0.260.0060.00017.25
8.0.250.0030.00316.96
8.0.240.0070.00017.00
8.0.230.0000.00616.92
8.0.220.0040.00416.83
8.0.210.0070.00016.81
8.0.200.0050.00516.75
8.0.190.0000.00716.88
8.0.180.0000.00716.74
8.0.170.0080.00016.79
8.0.160.0030.00316.77
8.0.150.0000.00716.78
8.0.140.0030.00316.66
8.0.130.0000.00513.23
8.0.120.0100.00016.75
8.0.110.0040.00416.76
8.0.100.0070.00016.71
8.0.90.0030.00316.83
8.0.80.0030.01316.86
8.0.70.0000.00716.69
8.0.60.0000.00716.86
8.0.50.0040.00416.75
8.0.30.0120.00816.98
8.0.20.0120.00817.40
8.0.10.0040.00416.82
8.0.00.0130.00816.71
7.4.330.0000.00515.09
7.4.320.0030.00316.45
7.4.300.0000.00616.54
7.4.290.0000.00716.53
7.4.280.0050.00216.52
7.4.270.0040.00416.34
7.4.260.0030.00316.50
7.4.250.0050.00216.36
7.4.240.0070.00016.47
7.4.230.0000.00716.44
7.4.220.0100.00716.48
7.4.210.0140.00016.30
7.4.200.0030.00316.45
7.4.160.0090.01216.30
7.4.150.0100.00717.40
7.4.140.0130.01417.86
7.4.130.0060.01116.46
7.4.120.0060.01316.50
7.4.110.0140.00416.48
7.4.100.0060.01216.53
7.4.90.0090.00916.48
7.4.80.0130.00719.39
7.4.70.0030.01716.47
7.4.60.0130.00316.42
7.4.50.0000.00416.32
7.4.40.0160.00416.16
7.4.30.0120.00916.55
7.4.00.0130.00314.88
7.3.330.0000.00513.15
7.3.320.0050.00013.17
7.3.310.0040.00416.26
7.3.300.0000.00716.32
7.3.290.0070.01216.23
7.3.280.0040.01216.29
7.3.270.0030.01417.40
7.3.260.0090.00916.14
7.3.250.0080.01016.34
7.3.240.0060.01116.36
7.3.230.0120.01216.39
7.3.210.0130.01016.26
7.3.200.0100.01319.39
7.3.190.0000.02016.36
7.3.180.0090.00616.63
7.3.170.0070.01416.48
7.3.160.0070.01016.54
7.3.10.0100.00316.68
7.3.00.0100.00316.64
7.2.330.0090.01516.50
7.2.320.0060.01116.72
7.2.310.0060.00916.79
7.2.300.0090.00916.64
7.2.290.0060.01016.76
7.2.130.0030.00717.01
7.2.120.0040.01117.03
7.2.110.0000.01016.67
7.2.100.0070.00717.05
7.2.90.0070.00716.74
7.2.80.0060.00616.90
7.2.70.0060.01216.99
7.2.60.0070.00716.74
7.2.50.0110.00316.83
7.2.40.0130.00316.63
7.2.30.0060.01217.04
7.2.20.0040.01516.89
7.2.10.0090.00916.90
7.2.00.0030.00918.06
7.1.250.0030.00915.69
7.1.200.0070.00715.79
7.1.100.0040.00818.22
7.1.70.0030.00517.20
7.1.60.0110.01419.40
7.1.50.0030.01017.00
7.1.00.0000.08022.31
7.0.200.0000.00916.80
7.0.140.0070.07022.05
7.0.60.0130.08319.84
7.0.50.0170.07017.81
7.0.40.0130.04320.00
7.0.30.0530.07320.00
7.0.20.0330.08320.12
7.0.10.0200.04720.12
7.0.00.0070.04020.19
5.6.280.0000.07321.09
5.6.210.0130.05720.52
5.6.200.0000.04718.18
5.6.190.0070.08020.47
5.6.180.3100.04320.56
5.6.170.0270.07320.41
5.6.160.0030.06720.49
5.6.150.0070.06718.22
5.6.140.0070.06018.11
5.6.130.0070.05718.18
5.6.120.0030.05020.99
5.6.110.0000.04320.88
5.6.100.0130.08720.95
5.6.90.0200.05321.01
5.6.80.0070.07720.53
5.6.70.0200.07020.47
5.5.350.0170.03320.38
5.5.340.0070.08717.97
5.5.330.0100.07720.36
5.5.320.0470.03020.18
5.5.310.0100.04720.32
5.5.300.0070.04717.91
5.5.290.0070.08017.90
5.5.280.0070.07020.76
5.5.270.0030.08720.86
5.5.260.0000.07020.79
5.5.250.0070.04320.77
5.5.240.0070.06320.18
5.4.450.0200.05719.54
5.4.440.0770.05719.50
5.4.430.0730.05719.64
5.4.420.0830.05719.41
5.4.410.0670.05319.37
5.4.400.0700.04718.93
5.4.390.0670.05019.21
5.4.380.0200.04718.44
5.4.370.0130.05018.68
5.4.360.0230.05318.66
5.4.350.0050.04811.98
5.4.340.0060.05711.97
5.4.320.0050.04212.45
5.4.310.0040.04012.45
5.4.300.0060.03712.45
5.4.290.0050.04212.46
5.4.280.0100.05912.35
5.4.270.0070.03912.35
5.4.260.0080.04712.35
5.4.250.0070.03712.35
5.4.240.0060.03512.35
5.4.230.0040.04012.34
5.4.220.0040.03912.34
5.4.210.0040.04312.34
5.4.200.0070.04112.34
5.4.190.0040.03912.34
5.4.180.0030.04212.34
5.4.170.0070.05212.35
5.4.160.0060.03712.34
5.4.150.0050.04212.34
5.4.140.0080.03912.03
5.4.130.0050.03812.02
5.4.120.0070.03711.97
5.4.110.0050.03711.96
5.4.100.0080.03311.97
5.4.90.0060.03811.96
5.4.80.0070.03811.97
5.4.70.0030.04011.96
5.4.60.0040.03911.96
5.4.50.0080.03711.96
5.4.40.0090.04911.95
5.4.30.0020.04011.95
5.4.20.0070.04111.95
5.4.10.0120.04311.95
5.4.00.0090.05411.44
5.3.290.0040.05712.80
5.3.280.0100.04612.71
5.3.270.0080.04912.72
5.3.260.0040.04312.72
5.3.250.0070.03812.72
5.3.240.0080.05312.72
5.3.230.0050.04512.71
5.3.220.0100.03612.68
5.3.210.0090.03912.68
5.3.200.0060.03812.68
5.3.190.0040.05912.68
5.3.180.0060.04412.68
5.3.170.0080.03812.67
5.3.160.0070.04912.67
5.3.150.0170.05612.67
5.3.140.0090.05712.66
5.3.130.0060.05712.66
5.3.120.0070.05512.66
5.3.110.0060.05512.66
5.3.100.0060.03712.12
5.3.90.0080.03512.08
5.3.80.0080.03412.07
5.3.70.0060.03612.07
5.3.60.0060.03712.06
5.3.50.0070.03512.00
5.3.40.0060.03812.00
5.3.30.0070.03511.94
5.3.20.0060.03811.72
5.3.10.0070.04311.70
5.3.00.0100.04011.67
5.2.170.0050.0329.18
5.2.160.0080.0269.18
5.2.150.0030.0429.18
5.2.140.0060.0419.17
5.2.130.0050.0359.13
5.2.120.0070.0399.13
5.2.110.0070.0409.14
5.2.100.0050.0429.14
5.2.90.0080.0399.14
5.2.80.0100.0589.13
5.2.70.0060.0379.13
5.2.60.0070.0279.09
5.2.50.0060.0299.05
5.2.40.0080.0329.03
5.2.30.0040.0319.00
5.2.20.0040.0299.00
5.2.10.0090.0268.92
5.2.00.0040.0308.78
5.1.60.0040.0358.06
5.1.50.0070.0258.06
5.1.40.0050.0358.04
5.1.30.0060.0298.39
5.1.20.0060.0378.41
5.1.10.0060.0328.13
5.1.00.0040.0368.13
5.0.50.0040.0296.61
5.0.40.0040.0316.46
5.0.30.0050.0366.29
5.0.20.0050.0186.25
5.0.10.0040.0206.23
5.0.00.0030.0336.23
4.4.90.0030.0164.78
4.4.80.0030.0224.76
4.4.70.0050.0204.75
4.4.60.0020.0224.76
4.4.50.0050.0144.77
4.4.40.0060.0374.71
4.4.30.0080.0194.76
4.4.20.0060.0234.84
4.4.10.0020.0194.85
4.4.00.0040.0254.76
4.3.110.0040.0214.67
4.3.100.0010.0164.66
4.3.90.0010.0204.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0040.0134.62
4.3.50.0030.0154.63
4.3.40.0060.0214.54
4.3.30.0020.0173.29
4.3.20.0020.0173.25
4.3.10.0040.0143.21
4.3.00.0100.0237.09

preferences:
47.68 ms | 401 KiB | 5 Q