3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/(?<=^.)[^@]*([^@]{2}@[^.]{2})[^.]*(.\.).*(?=.$)/i','*$1*','example@example.com'); // e****le@ex****e.**m

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)
8.3.60.0080.00616.75
8.3.50.0110.00821.97
8.3.40.0140.00018.85
8.3.30.0090.00619.10
8.3.20.0040.00420.16
8.3.10.0080.00021.90
8.3.00.0000.00819.51
8.2.180.0060.01018.29
8.2.170.0090.00622.96
8.2.160.0130.00020.46
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0030.00722.25
8.2.110.0000.00822.39
8.2.100.0080.00417.84
8.2.90.0030.00519.13
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0000.00819.78
8.2.50.0040.00418.07
8.2.40.0000.00919.71
8.2.30.0050.00517.93
8.2.20.0050.00317.84
8.2.10.0070.00017.92
8.2.00.0070.00317.76
8.1.280.0150.00325.92
8.1.270.0040.00423.92
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.66
8.1.230.0120.00019.08
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0080.00018.71
8.1.160.0040.00421.96
8.1.150.0000.00818.62
8.1.140.0050.00317.37
8.1.130.0030.00317.82
8.1.120.0040.00417.38
8.1.110.0040.00417.53
8.1.100.0000.00717.47
8.1.90.0050.00317.46
8.1.80.0040.00417.50
8.1.70.0030.00317.45
8.1.60.0060.00617.51
8.1.50.0000.00817.52
8.1.40.0030.00517.44
8.1.30.0040.00417.53
8.1.20.0040.00417.65
8.1.10.0060.00317.48
8.1.00.0030.00517.42
8.0.300.0050.00320.84
8.0.290.0030.00317.15
8.0.280.0040.00418.38
8.0.270.0030.00317.27
8.0.260.0070.00017.28
8.0.250.0000.00717.05
8.0.240.0000.00717.00
8.0.230.0000.00716.95
8.0.220.0070.00016.93
8.0.210.0040.00416.90
8.0.200.0070.00016.84
8.0.190.0030.00616.93
8.0.180.0000.00716.79
8.0.170.0080.00016.96
8.0.160.0030.00316.79
8.0.150.0000.00716.84
8.0.140.0030.00516.93
8.0.130.0050.00013.40
8.0.120.0040.00416.89
8.0.110.0040.00416.79
8.0.100.0050.00316.79
8.0.90.0030.00516.97
8.0.80.0030.01616.81
8.0.70.0000.00716.95
8.0.60.0000.00816.81
8.0.50.0040.00416.85
8.0.30.0110.00817.29
8.0.20.0080.01317.41
8.0.10.0000.00816.82
8.0.00.0090.00916.74
7.4.330.0000.00615.00
7.4.320.0030.00316.55
7.4.300.0030.00316.64
7.4.290.0000.00716.53
7.4.280.0070.00316.48
7.4.270.0040.00416.49
7.4.260.0040.00416.66
7.4.250.0040.00416.56
7.4.240.0020.00516.67
7.4.230.0070.00016.52
7.4.220.0060.01216.68
7.4.210.0080.00816.59
7.4.200.0050.00216.61
7.4.190.0030.00316.53
7.4.160.0080.00816.65
7.4.150.0180.00017.40
7.4.140.0130.00817.86
7.4.130.0120.00816.58
7.4.120.0130.00416.73
7.4.110.0070.01316.73
7.4.100.0100.00716.73
7.4.90.0040.01816.49
7.4.80.0120.01219.39
7.4.70.0070.01016.53
7.4.60.0100.00616.65
7.4.50.0000.00816.64
7.4.40.0120.01216.55
7.4.30.0030.01216.52
7.4.00.0090.00614.86
7.3.330.0060.00013.16
7.3.320.0000.00613.21
7.3.310.0030.00316.35
7.3.300.0030.00316.21
7.3.290.0110.00316.31
7.3.280.0110.00716.29
7.3.270.0140.00317.40
7.3.260.0150.00916.56
7.3.250.0070.01116.44
7.3.240.0150.00316.47
7.3.230.0190.00316.63
7.3.210.0130.00316.54
7.3.200.0100.01319.39
7.3.190.0190.00316.34
7.3.180.0060.00916.48
7.3.170.0130.00316.38
7.3.160.0090.00616.34
7.3.120.0090.00614.88
7.2.330.0250.02516.75
7.2.320.0060.01216.55
7.2.310.0030.01616.65
7.2.300.0070.01016.84
7.2.290.0070.01116.75
7.2.60.0030.01216.66
7.2.00.0100.00719.64
7.1.200.0140.00415.82
7.1.100.0030.01018.16
7.1.70.0030.00717.16
7.1.60.0090.01619.46
7.1.50.0070.02734.89
7.1.00.0000.08022.54
7.0.200.0270.00314.68
7.0.140.0000.07722.18
7.0.60.0100.08319.99
7.0.50.0170.06017.89
7.0.40.0030.04320.14
7.0.30.0470.04720.15
7.0.20.0370.07320.14
7.0.10.0170.07320.14
7.0.00.0070.06020.03
5.6.280.0100.06720.86
5.6.210.0070.07720.64
5.6.200.0030.08718.12
5.6.190.0100.07720.67
5.6.180.0300.06020.57
5.6.170.0330.06720.49
5.6.160.0100.08720.54
5.6.150.0100.07318.12
5.6.140.0100.05718.12
5.6.130.0000.06318.07
5.6.120.0100.03321.00
5.6.110.0100.06321.08
5.6.100.0230.07720.95
5.6.90.0070.07721.05
5.6.80.0100.04720.39
5.6.70.3300.03320.42
5.5.350.0030.08320.45
5.5.340.0070.08018.02
5.5.330.0100.04720.40
5.5.320.0230.07020.29
5.5.310.0100.04320.29
5.5.300.0030.08318.02
5.5.290.0030.05717.91
5.5.280.0000.05020.73
5.5.270.0030.04320.88
5.5.260.0230.07320.72
5.5.250.0100.07720.59
5.5.240.0200.03720.18
5.4.450.0670.06719.45
5.4.440.1030.07019.12
5.4.430.0400.07019.33
5.4.420.0730.05319.44
5.4.410.0700.05319.35
5.4.400.0770.05719.16
5.4.390.0830.05719.30
5.4.380.0270.06718.74
5.4.370.0400.04718.67
5.4.360.0300.05018.74
5.4.350.0470.04318.69
5.4.340.0200.05318.49
5.4.320.0060.03712.45
5.4.310.0060.03712.45
5.4.300.0080.03712.45
5.4.290.0070.03812.44
5.4.280.0010.04012.34
5.4.270.0060.03612.34
5.4.260.0060.04112.34
5.4.250.0070.03912.34
5.4.240.0030.04212.34
5.4.230.0080.03812.33
5.4.220.0040.05512.33
5.4.210.0100.05212.33
5.4.200.0050.05612.33
5.4.190.0070.05312.32
5.4.180.0070.04012.32
5.4.170.0110.06212.34
5.4.160.0100.04712.34
5.4.150.0060.05212.33
5.4.140.0050.05612.01
5.4.130.0030.05312.00
5.4.120.0080.03611.96
5.4.110.0050.04011.95
5.4.100.0100.03511.96
5.4.90.0090.03911.96
5.4.80.0060.04911.96
5.4.70.0070.03611.95
5.4.60.0060.03711.95
5.4.50.0100.03411.95
5.4.40.0070.03911.94
5.4.30.0040.03911.94
5.4.20.0120.04911.94
5.4.10.0090.05211.94
5.4.00.0050.03911.43
5.3.290.0050.04212.80
5.3.280.0060.03912.71
5.3.270.0080.03812.72
5.3.260.0080.03912.72
5.3.250.0090.03612.72
5.3.240.0070.03612.72
5.3.230.0060.04212.71
5.3.220.0100.03812.68
5.3.210.0080.03912.68
5.3.200.0060.04012.68
5.3.190.0120.04412.68
5.3.180.0090.04912.67
5.3.170.0110.04312.67
5.3.160.0050.03612.67
5.3.150.0060.03512.67
5.3.140.0030.04012.66
5.3.130.0100.04012.66
5.3.120.0040.04112.66
5.3.110.0080.04112.66
5.3.100.0030.03912.12
5.3.90.0100.03312.09
5.3.80.0050.03712.07
5.3.70.0060.03712.07
5.3.60.0110.04812.06
5.3.50.0080.04912.00
5.3.40.0120.04612.00
5.3.30.0080.05011.95
5.3.20.0090.04711.73
5.3.10.0070.03411.70
5.3.00.0060.03711.69
5.2.170.0040.0349.19
5.2.160.0060.0309.19
5.2.150.0080.0299.19
5.2.140.0050.0309.18
5.2.130.0050.0299.14
5.2.120.0050.0299.15
5.2.110.0020.0319.15
5.2.100.0050.0289.14
5.2.90.0060.0289.15
5.2.80.0050.0299.14
5.2.70.0040.0329.14
5.2.60.0070.0309.09
5.2.50.0030.0319.06
5.2.40.0090.0269.04
5.2.30.0060.0299.02
5.2.20.0060.0299.01
5.2.10.0040.0318.91
5.2.00.0040.0328.77
5.1.60.0060.0328.06
5.1.50.0070.0328.06
5.1.40.0060.0418.04
5.1.30.0020.0298.39
5.1.20.0040.0358.41
5.1.10.0060.0238.14
5.1.00.0050.0258.14
5.0.50.0030.0216.61
5.0.40.0020.0256.47
5.0.30.0030.0336.28
5.0.20.0030.0206.25
5.0.10.0030.0206.23
5.0.00.0040.0306.22
4.4.90.0050.0154.78
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0010.0184.77
4.4.40.0050.0234.71
4.4.30.0030.0164.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0040.0154.66
4.3.90.0040.0194.63
4.3.80.0040.0304.58
4.3.70.0010.0234.63
4.3.60.0050.0194.63
4.3.50.0040.0154.63
4.3.40.0050.0224.54
4.3.30.0070.0213.28
4.3.20.0010.0203.25
4.3.10.0040.0153.21
4.3.00.0000.01316.03

preferences:
37.23 ms | 401 KiB | 5 Q