3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = 'RGREGREGRE'; for($i = 0;$i<1000;$i++) { $key = sha1($key); } echo $key;

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)
8.3.40.0100.01018.71
8.3.30.0120.00319.01
8.3.20.0080.00020.29
8.3.10.0040.00423.65
8.3.00.0090.00019.11
8.2.170.0070.01422.96
8.2.160.0100.00320.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00019.36
8.2.110.0060.00320.27
8.2.100.0040.00718.03
8.2.90.0050.00319.17
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0080.00017.93
8.2.50.0050.00318.07
8.2.40.0050.00520.07
8.2.30.0000.00718.01
8.2.20.0040.00417.54
8.2.10.0040.00417.98
8.2.00.0040.00417.73
8.1.270.0000.00823.96
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00323.78
8.1.230.0080.00419.16
8.1.220.0040.00417.79
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0030.00517.10
8.1.180.0050.00318.10
8.1.170.0060.00318.27
8.1.160.0000.00721.94
8.1.150.0000.00718.80
8.1.140.0040.00417.39
8.1.130.0000.00717.82
8.1.120.0040.00417.32
8.1.110.0000.00817.43
8.1.100.0040.00417.28
8.1.90.0040.00417.39
8.1.80.0040.00417.40
8.1.70.0030.00317.35
8.1.60.0050.00317.47
8.1.50.0050.00317.36
8.1.40.0000.00817.43
8.1.30.0030.00617.55
8.1.20.0040.00417.59
8.1.10.0040.00417.52
8.1.00.0040.00417.47
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0070.00017.16
8.0.260.0000.00717.17
8.0.250.0000.00716.89
8.0.240.0040.00416.96
8.0.230.0030.00316.75
8.0.220.0030.00516.83
8.0.210.0000.00716.86
8.0.200.0000.00616.95
8.0.190.0090.00016.87
8.0.180.0000.00816.80
8.0.170.0000.00816.77
8.0.160.0000.00716.80
8.0.150.0070.00016.69
8.0.140.0000.00716.67
8.0.130.0040.00413.26
8.0.120.0050.00316.68
8.0.110.0000.00716.82
8.0.100.0000.00816.77
8.0.90.0000.00716.69
8.0.80.0130.01016.86
8.0.70.0040.00416.68
8.0.60.0040.00416.60
8.0.50.0040.00416.89
8.0.30.0100.00916.99
8.0.20.0110.00817.40
8.0.10.0040.00416.95
8.0.00.0120.00516.77
7.4.330.0020.00215.13
7.4.320.0000.00616.45
7.4.300.0030.00316.41
7.4.290.0000.00716.32
7.4.280.0040.00416.32
7.4.270.0070.00016.51
7.4.260.0060.00316.46
7.4.250.0040.00416.48
7.4.240.0050.00216.56
7.4.230.0030.00316.28
7.4.220.0090.00916.32
7.4.210.0090.00616.47
7.4.200.0070.00016.60
7.4.160.0060.00916.36
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0090.00916.48
7.4.120.0090.01016.53
7.4.110.0040.01816.27
7.4.100.0100.00716.34
7.4.90.0100.00716.37
7.4.80.0030.01719.39
7.4.70.0080.00916.38
7.4.60.0130.00916.34
7.4.50.0060.00316.59
7.4.40.0170.00316.50
7.4.30.0000.01816.32
7.4.00.0120.00314.89
7.3.330.0000.00713.24
7.3.320.0000.00513.24
7.3.310.0040.00316.18
7.3.300.0070.00016.27
7.3.290.0030.01216.23
7.3.280.0060.01116.28
7.3.270.0170.00717.40
7.3.260.0170.00016.73
7.3.250.0110.00616.40
7.3.240.0060.01616.34
7.3.230.0090.01016.39
7.3.210.0090.00916.45
7.3.200.0160.00019.39
7.3.190.0090.01516.48
7.3.180.0130.00316.64
7.3.170.0080.00916.64
7.3.160.0030.01216.20
7.3.10.0110.00716.71
7.3.00.0030.01016.66
7.2.330.0040.01316.50
7.2.320.0070.01016.67
7.2.310.0100.01416.46
7.2.300.0030.01916.53
7.2.290.0090.00616.61
7.2.130.0070.01117.09
7.2.120.0100.00316.95
7.2.110.0060.01016.82
7.2.100.0060.01016.95
7.2.90.0120.00317.00
7.2.80.0060.01217.14
7.2.70.0030.01416.79
7.2.60.0110.00516.87
7.2.50.0030.01316.88
7.2.40.0100.01016.79
7.2.30.0030.01316.88
7.2.20.0190.00016.98
7.2.10.0110.00716.89
7.2.00.0060.00916.75
7.1.250.0060.00915.79
7.1.200.0030.01015.51
7.1.70.0060.00316.92
7.1.60.0080.01119.40
7.1.50.0100.01416.97
7.1.00.0000.08022.37
7.0.200.0110.00016.73
7.0.140.0070.06722.15
7.0.60.0130.08019.93
7.0.50.0030.08017.90
7.0.40.0030.05320.24
7.0.30.0170.04320.01
7.0.20.0300.06320.00
7.0.10.0200.07720.00
7.0.00.0100.04720.20
5.6.280.0070.07020.85
5.6.210.0070.08320.50
5.6.200.0000.04318.11
5.6.190.0070.08720.45
5.6.180.0200.04020.39
5.6.170.0370.08320.38
5.6.160.0070.06020.48
5.6.150.0030.05318.18
5.6.140.0100.05018.15
5.6.130.0100.03318.22
5.6.120.0100.08021.05
5.6.110.0070.07320.88
5.6.100.0030.04320.95
5.6.90.0130.04721.01
5.6.80.0070.05720.53
5.5.350.0000.03320.33
5.5.340.0070.08018.02
5.5.330.0100.08020.46
5.5.320.0330.07720.35
5.5.310.0170.05320.24
5.5.300.0130.04318.01
5.5.290.0070.08017.98
5.5.280.0230.06720.77
5.5.270.0170.07720.76
5.5.260.0030.08320.97
5.5.250.0100.06320.68
5.5.240.3170.04020.02
5.4.450.0130.05319.42
5.4.440.0430.04319.41
5.4.430.0870.04319.09
5.4.420.0330.03719.48
5.4.410.0830.04319.41
5.4.400.0930.04018.89
5.4.390.1330.04319.08
5.4.380.0170.05318.61
5.4.370.0130.05318.60
5.4.360.0130.05718.48
5.4.350.0100.05718.70
5.4.340.0170.05018.47
5.4.320.0080.03312.46
5.4.310.0040.03912.45
5.4.300.0080.03412.46
5.4.290.0030.05512.45
5.4.280.0050.03612.35
5.4.270.0060.03612.35
5.4.260.0090.03512.35
5.4.250.0060.03712.35
5.4.240.0050.03712.35
5.4.230.0080.04912.34
5.4.220.0070.03712.34
5.4.210.0030.03812.34
5.4.200.0040.04512.34
5.4.190.0050.03712.34
5.4.180.0020.04112.34
5.4.170.0040.04112.35
5.4.160.0060.03512.35
5.4.150.0060.03712.34
5.4.140.0050.04012.02
5.4.130.0060.04012.02
5.4.120.0060.03411.97
5.4.110.0050.03511.96
5.4.100.0070.03411.96
5.4.90.0040.03911.96
5.4.80.0080.03511.96
5.4.70.0050.03811.96
5.4.60.0070.03411.96
5.4.50.0050.03611.96
5.4.40.0060.03411.95
5.4.30.0030.03811.95
5.4.20.0110.03411.95
5.4.10.0050.03511.95
5.4.00.0060.03611.43
5.3.290.0060.03912.80
5.3.280.0060.03812.71
5.3.270.0090.03712.73
5.3.260.0080.03812.72
5.3.250.0110.03312.72
5.3.240.0100.03412.72
5.3.230.0070.03812.71
5.3.220.0040.03812.68
5.3.210.0070.04712.68
5.3.200.0110.04512.68
5.3.190.0100.05312.68
5.3.180.0150.06512.67
5.3.170.0120.06212.67
5.3.160.0180.06912.68
5.3.150.0170.07112.67
5.3.140.0110.05112.66
5.3.130.0120.09112.66
5.3.120.0060.05412.66
5.3.110.0090.04212.66
5.3.100.0140.04512.12
5.3.90.0060.05312.09
5.3.80.0090.04512.08
5.3.70.0120.05112.07
5.3.60.0070.04012.07
5.3.50.0080.04012.00
5.3.40.0100.05212.00
5.3.30.0090.03811.94
5.3.20.0080.03411.72
5.3.10.0070.04711.69
5.3.00.0060.04011.67
5.2.170.0070.0419.18
5.2.160.0080.0379.18
5.2.150.0040.0339.18
5.2.140.0060.0309.17
5.2.130.0050.0319.13
5.2.120.0060.0419.14
5.2.110.0060.0289.14
5.2.100.0030.0319.13
5.2.90.0070.0339.13
5.2.80.0030.0329.13
5.2.70.0020.0349.13
5.2.60.0050.0309.09
5.2.50.0050.0339.05
5.2.40.0040.0309.03
5.2.30.0040.0339.01
5.2.20.0020.0329.02
5.2.10.0070.0278.93
5.2.00.0020.0348.78
5.1.60.0050.0268.07
5.1.50.0040.0298.07
5.1.40.0040.0268.05
5.1.30.0070.0258.40
5.1.20.0050.0308.42
5.1.10.0060.0328.15
5.1.00.0040.0288.15
5.0.50.0060.0206.63
5.0.40.0040.0226.49
5.0.30.0020.0376.30
5.0.20.0030.0226.27
5.0.10.0030.0226.25
5.0.00.0030.0346.24
4.4.90.0040.0234.78
4.4.80.0010.0204.75
4.4.70.0020.0194.76
4.4.60.0010.0204.76
4.4.50.0010.0214.77
4.4.40.0030.0274.71
4.4.30.0010.0204.76
4.4.20.0040.0184.84
4.4.10.0040.0174.84
4.4.00.0050.0354.76
4.3.110.0010.0194.67
4.3.100.0020.0264.66
4.3.90.0030.0204.64
4.3.80.0080.0384.58
4.3.70.0030.0234.63
4.3.60.0050.0164.63
4.3.50.0010.0204.62
4.3.40.0040.0254.54
4.3.30.0010.0203.29
4.3.20.0020.0193.27
4.3.10.0020.0213.22
4.3.00.0000.01315.63

preferences:
39.11 ms | 400 KiB | 5 Q