3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '<b>AAAAA</b>'; var_dump( preg_replace('^<(*)>(*)<(*)$', '*', $string) );

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)
8.3.70.0070.00718.43
8.3.60.0100.01016.75
8.3.50.0130.00621.99
8.3.40.0110.00418.68
8.3.30.0110.00418.83
8.3.20.0040.00420.13
8.3.10.0050.00223.66
8.3.00.0040.00420.95
8.2.180.0140.00718.29
8.2.170.0090.00922.96
8.2.160.0070.01020.47
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0040.00420.91
8.2.110.0080.00022.25
8.2.100.0120.00017.56
8.2.90.0040.00419.09
8.2.80.0000.00917.97
8.2.70.0030.00817.50
8.2.60.0060.00317.92
8.2.50.0000.00918.07
8.2.40.0000.00819.76
8.2.30.0050.00318.23
8.2.20.0080.00017.59
8.2.10.0000.00718.04
8.2.00.0000.00717.61
8.1.280.0070.01325.92
8.1.270.0040.00422.11
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0000.00823.83
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0000.00918.37
8.1.160.0040.00421.90
8.1.150.0040.00418.50
8.1.140.0050.00317.50
8.1.130.0000.00717.86
8.1.120.0030.00317.30
8.1.110.0030.00717.40
8.1.100.0070.00017.29
8.1.90.0000.00717.32
8.1.80.0070.00017.38
8.1.70.0070.00017.36
8.1.60.0030.00617.49
8.1.50.0080.00017.30
8.1.40.0040.00417.41
8.1.30.0070.00017.47
8.1.20.0060.00317.47
8.1.10.0040.00417.43
8.1.00.0040.00417.38
8.0.300.0080.00020.73
8.0.290.0050.00217.05
8.0.280.0040.00418.37
8.0.270.0030.00517.18
8.0.260.0060.00017.23
8.0.250.0070.00017.01
8.0.240.0050.00516.91
8.0.230.0000.00716.94
8.0.220.0000.00716.83
8.0.210.0000.00816.90
8.0.200.0000.00616.85
8.0.190.0000.00716.91
8.0.180.0040.00416.91
8.0.170.0040.00416.92
8.0.160.0030.00316.77
8.0.150.0080.00016.95
8.0.140.0040.00416.77
8.0.130.0030.00313.27
8.0.120.0000.00816.70
8.0.110.0000.00716.85
8.0.100.0030.00616.88
8.0.90.0040.00416.92
8.0.80.0040.01216.87
8.0.70.0050.00216.83
8.0.60.0050.00316.69
8.0.50.0000.00716.93
8.0.30.0120.00716.93
8.0.20.0110.00717.40
8.0.10.0070.00017.03
8.0.00.0040.01316.86
7.4.330.0050.00015.07
7.4.320.0000.00616.43
7.4.300.0060.00016.44
7.4.290.0030.00316.52
7.4.280.0040.00416.52
7.4.270.0070.00016.48
7.4.260.0070.00016.50
7.4.250.0070.00016.38
7.4.240.0050.00216.43
7.4.230.0000.00716.45
7.4.220.0060.01316.38
7.4.210.0090.01016.50
7.4.200.0000.00716.62
7.4.190.0000.00716.70
7.4.160.0090.00916.25
7.4.150.0110.00717.40
7.4.140.0100.01017.86
7.4.130.0100.00716.43
7.4.120.0140.00516.50
7.4.110.0150.00316.58
7.4.100.0070.01116.37
7.4.90.0070.01016.31
7.4.80.0090.00919.39
7.4.70.0130.00316.33
7.4.60.0060.01016.36
7.4.50.0040.00416.57
7.4.40.0090.00616.25
7.4.30.0100.00616.64
7.4.00.0100.00314.82
7.3.330.0060.00013.08
7.3.320.0050.00012.89
7.3.310.0080.00016.14
7.3.300.0040.00416.20
7.3.290.0040.01316.11
7.3.280.0070.00716.17
7.3.270.0100.00717.40
7.3.260.0160.00716.23
7.3.250.0100.00816.32
7.3.240.0000.01816.44
7.3.230.0100.00616.39
7.3.210.0100.00716.27
7.3.200.0060.01619.39
7.3.190.0070.01016.43
7.3.180.0060.01116.33
7.3.170.0100.00716.27
7.3.160.0060.00916.37
7.3.120.0030.01214.52
7.2.330.0070.01016.43
7.2.320.0130.01016.31
7.2.310.0030.01516.39
7.2.300.0040.01416.47
7.2.290.0120.00616.47
7.2.00.0060.00619.16
7.1.100.0040.00718.23
7.1.70.0000.00717.15
7.1.60.0070.01819.46
7.1.50.0070.01417.02
7.1.00.0030.07322.36
7.0.200.0070.00016.70
7.0.140.0030.06722.07
7.0.60.0030.08019.85
7.0.50.0130.05017.84
7.0.40.0100.04019.90
7.0.30.0400.07720.33
7.0.20.0130.05020.19
7.0.10.0070.08720.19
7.0.00.0100.08320.17
5.6.280.0000.07721.11
5.6.210.0030.06020.74
5.6.200.0170.07018.17
5.6.190.0100.08320.33
5.6.180.0430.06720.67
5.6.170.0200.04320.41
5.6.160.0070.08320.36
5.6.150.0070.07718.09
5.6.140.0030.05018.21
5.6.130.0100.05718.16
5.6.120.0030.04320.82
5.6.110.0030.04320.88
5.6.100.0030.07021.13
5.6.90.0100.08320.99
5.6.80.0100.08020.36
5.5.350.0300.07020.48
5.5.340.0100.06718.01
5.5.330.0000.04320.21
5.5.320.0330.05020.41
5.5.310.0130.05020.29
5.5.300.0100.06017.84
5.5.290.0070.06717.93
5.5.280.0130.08320.87
5.5.270.0030.05720.82
5.5.260.0200.07320.96
5.5.250.0070.03720.68
5.5.240.0170.08020.22
5.4.450.0230.03719.46
5.4.440.1300.03319.43
5.4.430.1030.04019.27
5.4.420.1370.04319.42
5.4.410.1270.06019.43
5.4.400.0000.03719.08
5.4.390.0900.04319.09
5.4.380.0570.06318.64
5.4.370.0370.05318.55
5.4.360.0500.05318.46
5.4.350.0600.05318.75
5.4.340.0400.06718.68
5.4.320.0080.03812.45
5.4.310.0060.03712.45
5.4.300.0050.03712.46
5.4.290.0060.03812.45
5.4.280.0050.04612.35
5.4.270.0120.03812.35
5.4.260.0090.04912.34
5.4.250.0110.06112.35
5.4.240.0120.05312.34
5.4.230.0100.05212.34
5.4.220.0070.05312.34
5.4.210.0050.03712.34
5.4.200.0070.03812.34
5.4.190.0040.03912.34
5.4.180.0090.03312.34
5.4.170.0060.03712.34
5.4.160.0050.04212.34
5.4.150.0030.03912.34
5.4.140.0070.03612.02
5.4.130.0060.03512.01
5.4.120.0070.05211.97
5.4.110.0040.04311.96
5.4.100.0020.03811.96
5.4.90.0060.03611.96
5.4.80.0050.03711.96
5.4.70.0050.03511.96
5.4.60.0060.03411.96
5.4.50.0050.03611.96
5.4.40.0080.03211.95
5.4.30.0070.03311.95
5.4.20.0040.03711.95
5.4.10.0050.03611.94
5.4.00.0070.03511.43
5.3.290.0030.04212.80
5.3.280.0060.03712.71
5.3.270.0060.03912.73
5.3.260.0050.04012.72
5.3.250.0060.03712.72
5.3.240.0040.03912.72
5.3.230.0060.04112.71
5.3.220.0070.04312.68
5.3.210.0140.04912.68
5.3.200.0110.04012.68
5.3.190.0080.03812.68
5.3.180.0060.04312.67
5.3.170.0080.03512.67
5.3.160.0070.03812.67
5.3.150.0060.03712.67
5.3.140.0070.04212.66
5.3.130.0100.04012.65
5.3.120.0080.04312.66
5.3.110.0040.04212.66
5.3.100.0030.04512.12
5.3.90.0080.03512.09
5.3.80.0080.04612.08
5.3.70.0070.03912.07
5.3.60.0080.04912.06
5.3.50.0050.05012.00
5.3.40.0020.04012.00
5.3.30.0040.03811.94
5.3.20.0060.03511.72
5.3.10.0060.03311.69
5.3.00.0050.03511.67
5.2.170.0070.0279.18
5.2.160.0040.0309.18
5.2.150.0020.0329.18
5.2.140.0040.0309.17
5.2.130.0020.0309.13
5.2.120.0050.0289.13
5.2.110.0060.0289.14
5.2.100.0020.0309.14
5.2.90.0060.0279.13
5.2.80.0020.0339.13
5.2.70.0030.0319.13
5.2.60.0050.0309.09
5.2.50.0060.0289.05
5.2.40.0050.0289.03
5.2.30.0070.0289.00
5.2.20.0020.0319.00
5.2.10.0040.0288.92
5.2.00.0030.0308.77
5.1.60.0040.0248.06
5.1.50.0040.0258.06
5.1.40.0030.0258.04
5.1.30.0030.0268.39
5.1.20.0060.0258.41
5.1.10.0010.0298.13
5.1.00.0050.0248.14
5.0.50.0020.0216.61
5.0.40.0040.0186.47
5.0.30.0050.0296.29
5.0.20.0030.0196.26
5.0.10.0060.0166.23
5.0.00.0050.0296.23
4.4.90.0030.0164.78
4.4.80.0020.0154.75
4.4.70.0030.0154.76
4.4.60.0010.0164.75
4.4.50.0040.0144.77
4.4.40.0000.0274.71
4.4.30.0020.0174.76
4.4.20.0030.0164.84
4.4.10.0050.0134.85
4.4.00.0040.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0040.0134.64
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0164.62
4.3.50.0050.0134.63
4.3.40.0020.0244.54
4.3.30.0030.0153.28
4.3.20.0010.0163.25
4.3.10.0030.0143.21
4.3.00.0000.01316.15

preferences:
48.36 ms | 401 KiB | 5 Q