3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/\G(?<=^.)[^@]*([^@]{2}@[^.]{2})[^.]*(.\.).*(?=.$)/i','*$1*$2*','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)
8.3.60.0100.01016.75
8.3.50.0060.01022.13
8.3.40.0110.00418.96
8.3.30.0060.00918.85
8.3.20.0030.00620.20
8.3.10.0050.00323.65
8.3.00.0050.00319.08
8.2.180.0090.00916.63
8.2.170.0070.01022.96
8.2.160.0070.00720.39
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00020.81
8.2.110.0060.00322.20
8.2.100.0100.00317.91
8.2.90.0000.00818.03
8.2.80.0060.00317.97
8.2.70.0000.00817.75
8.2.60.0030.00517.68
8.2.50.0040.00418.07
8.2.40.0060.00321.19
8.2.30.0040.00418.20
8.2.20.0050.00317.81
8.2.10.0050.00217.95
8.2.00.0030.00517.75
8.1.280.0110.00725.92
8.1.270.0090.00023.97
8.1.260.0000.00826.35
8.1.250.0000.00928.09
8.1.240.0090.00020.70
8.1.230.0060.00620.88
8.1.220.0030.00517.74
8.1.210.0040.00418.82
8.1.200.0060.00617.35
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0000.00818.71
8.1.160.0070.00022.00
8.1.150.0030.00518.66
8.1.140.0000.00717.39
8.1.130.0030.00317.75
8.1.120.0030.00317.46
8.1.110.0000.00817.51
8.1.100.0000.00817.50
8.1.90.0030.00617.47
8.1.80.0090.00017.36
8.1.70.0030.00317.35
8.1.60.0040.00717.60
8.1.50.0000.00917.57
8.1.40.0040.00417.54
8.1.30.0040.00417.63
8.1.20.0030.00517.70
8.1.10.0000.00717.45
8.1.00.0000.00817.43
8.0.300.0040.00419.96
8.0.290.0070.00016.75
8.0.280.0070.00018.27
8.0.270.0070.00017.20
8.0.260.0030.00317.13
8.0.250.0000.00717.00
8.0.240.0000.00816.98
8.0.230.0030.00316.81
8.0.220.0030.00316.89
8.0.210.0000.00816.86
8.0.200.0000.00616.86
8.0.190.0100.00016.86
8.0.180.0000.00716.92
8.0.170.0020.00516.93
8.0.160.0070.00016.93
8.0.150.0050.00316.84
8.0.140.0000.00716.74
8.0.130.0000.00513.27
8.0.120.0040.00416.82
8.0.110.0000.00816.88
8.0.100.0050.00316.71
8.0.90.0070.00016.86
8.0.80.0000.01416.89
8.0.70.0040.00416.86
8.0.60.0000.00716.89
8.0.50.0070.00016.85
8.0.30.0100.01017.17
8.0.20.0110.00717.40
8.0.10.0000.00716.93
8.0.00.0080.00916.76
7.4.330.0050.00015.00
7.4.320.0000.00716.66
7.4.300.0070.00016.59
7.4.290.0000.00716.54
7.4.280.0030.00616.70
7.4.270.0050.00316.74
7.4.260.0030.00316.68
7.4.250.0070.00016.54
7.4.240.0030.00516.63
7.4.230.0040.00416.56
7.4.220.0110.01416.54
7.4.210.0110.00516.56
7.4.200.0030.00316.71
7.4.190.0030.00316.72
7.4.160.0100.00716.51
7.4.150.0130.00417.40
7.4.140.0090.01017.86
7.4.130.0100.00716.68
7.4.120.0070.01016.44
7.4.110.0030.01516.51
7.4.100.0060.01216.50
7.4.90.0130.00416.54
7.4.80.0000.01919.39
7.4.70.0060.00916.50
7.4.60.0120.00616.56
7.4.50.0040.00016.57
7.4.40.0080.00816.62
7.4.30.0030.01416.46
7.4.00.0090.00814.98
7.3.330.0030.00313.11
7.3.320.0000.00513.01
7.3.310.0040.00416.15
7.3.300.0070.00016.29
7.3.290.0070.00716.39
7.3.280.0080.00916.27
7.3.270.0040.01417.40
7.3.260.0180.00716.29
7.3.250.0090.00716.52
7.3.240.0110.01116.80
7.3.230.0160.00616.64
7.3.210.0140.00316.57
7.3.200.0090.00919.39
7.3.190.0030.01316.64
7.3.180.0040.01216.13
7.3.170.0030.01416.39
7.3.160.0100.01016.34
7.3.120.0060.00814.89
7.3.110.0030.01415.09
7.3.100.0040.01414.70
7.3.90.0070.00714.86
7.3.80.0070.00415.00
7.3.70.0090.00014.79
7.3.60.0070.01114.67
7.3.50.0100.00314.69
7.3.40.0040.01114.88
7.3.30.0070.00714.89
7.3.20.0030.00616.78
7.3.10.0070.00716.86
7.3.00.0060.01016.71
7.2.330.0090.00916.66
7.2.320.0060.01216.79
7.2.310.0000.01616.55
7.2.300.0130.00416.66
7.2.290.0060.01116.57
7.2.250.0090.00615.30
7.2.240.0120.00614.97
7.2.230.0120.00314.98
7.2.220.0070.00415.01
7.2.210.0000.01415.07
7.2.200.0040.00814.89
7.2.190.0110.00415.02
7.2.180.0040.00715.05
7.2.170.0000.01414.91
7.2.00.0030.01019.25
7.1.330.0040.01115.66
7.1.320.0030.00915.85
7.1.310.0000.01415.63
7.1.300.0030.01015.79
7.1.290.0000.01215.96
7.1.280.0030.00915.74
7.1.270.0100.00315.84
7.1.260.0030.01415.76
7.1.100.0070.00718.36
7.1.70.0000.01717.23
7.1.60.0090.01619.46
7.1.50.0100.01016.88
7.1.00.0100.07022.46
7.0.200.0080.00316.59
7.0.140.0070.06722.05
7.0.60.0000.05319.99
7.0.50.0130.07717.80
7.0.40.0070.08719.98
7.0.30.0270.04720.22
7.0.20.0370.07020.11
7.0.10.0030.04320.19
7.0.00.0070.09020.32
5.6.280.0000.07321.12
5.6.210.0030.04320.66
5.6.200.0030.05318.18
5.6.190.0070.09020.43
5.6.180.0100.06720.41
5.6.170.0370.07020.40
5.6.160.0070.08320.46
5.6.150.0070.06018.11
5.6.140.0130.07018.08
5.6.130.0130.07718.20
5.6.120.0030.05721.07
5.6.110.0170.07021.04
5.6.100.0100.08721.10
5.6.90.0030.04021.09
5.6.80.0100.05020.52
5.5.350.4030.04020.37
5.5.340.0030.06717.89
5.5.330.0070.04320.23
5.5.320.0200.05720.27
5.5.310.0330.07720.27
5.5.300.0130.04717.87
5.5.290.0030.07017.96
5.5.280.0000.05720.96
5.5.270.0030.08320.86
5.5.260.0200.07020.79
5.5.250.0170.06720.68
5.5.240.0000.05020.15
5.4.450.0730.03719.42
5.4.440.0370.04348.08
5.4.430.0170.04341.27
5.4.420.0300.03739.08
5.4.410.0370.03737.55
5.4.400.0370.04035.13
5.4.390.0500.04319.14
5.4.380.0130.06718.54
5.4.370.0230.04318.64
5.4.360.0130.05318.43
5.4.350.0170.07318.55
5.4.340.0100.05718.54
5.4.320.0080.04412.45
5.4.310.0050.04312.45
5.4.300.0160.03412.45
5.4.290.0090.03712.45
5.4.280.0080.03612.35
5.4.270.0060.03712.35
5.4.260.0080.03912.35
5.4.250.0080.04312.34
5.4.240.0070.04112.34
5.4.230.0070.03812.34
5.4.220.0070.04012.34
5.4.210.0070.03712.34
5.4.200.0090.03912.34
5.4.190.0090.03712.34
5.4.180.0070.04412.34
5.4.170.0050.04212.35
5.4.160.0030.03912.34
5.4.150.0070.03612.34
5.4.140.0050.04312.02
5.4.130.0070.03612.01
5.4.120.0040.04011.96
5.4.110.0050.03811.96
5.4.100.0080.03611.96
5.4.90.0130.03411.96
5.4.80.0070.03811.96
5.4.70.0030.04011.96
5.4.60.0050.04111.96
5.4.50.0040.04311.96
5.4.40.0070.04111.95
5.4.30.0080.03611.95
5.4.20.0050.04511.95
5.4.10.0070.04011.95
5.4.00.0080.04111.43
5.3.290.0030.04212.80
5.3.280.0070.04912.71
5.3.270.0080.05112.72
5.3.260.0110.03812.72
5.3.250.0080.03912.72
5.3.240.0070.04512.72
5.3.230.0120.04912.71
5.3.220.0090.05412.68
5.3.210.0110.05512.68
5.3.200.0120.05712.68
5.3.190.0120.03412.68
5.3.180.0040.03912.67
5.3.170.0030.04012.67
5.3.160.0030.04212.67
5.3.150.0120.03312.68
5.3.140.0050.03812.66
5.3.130.0060.04012.66
5.3.120.0070.04412.66
5.3.110.0060.04012.65
5.3.100.0080.03812.11
5.3.90.0060.03912.08
5.3.80.0040.04412.07
5.3.70.0060.04212.07
5.3.60.0070.04612.06
5.3.50.0050.04812.00
5.3.40.0120.04412.00
5.3.30.0030.04011.95
5.3.20.0110.03111.73
5.3.10.0060.03911.70
5.3.00.0050.04211.68
5.2.170.0080.0329.19
5.2.160.0060.0369.19
5.2.150.0120.0319.19
5.2.140.0030.0409.19
5.2.130.0050.0379.14
5.2.120.0070.0349.15
5.2.110.0070.0329.15
5.2.100.0030.0339.14
5.2.90.0050.0299.14
5.2.80.0060.0299.14
5.2.70.0060.0289.14
5.2.60.0010.0339.09
5.2.50.0050.0309.06
5.2.40.0060.0299.05
5.2.30.0040.0349.02
5.2.20.0050.0319.01
5.2.10.0090.0278.91
5.2.00.0040.0338.77
5.1.60.0020.0278.06
5.1.50.0060.0258.05
5.1.40.0040.0268.04
5.1.30.0050.0288.39
5.1.20.0050.0278.41
5.1.10.0070.0258.13
5.1.00.0030.0288.14
5.0.50.0030.0226.61
5.0.40.0060.0186.47
5.0.30.0020.0336.29
5.0.20.0050.0196.25
5.0.10.0030.0216.23
5.0.00.0030.0326.22
4.4.90.0040.0164.78
4.4.80.0010.0194.75
4.4.70.0030.0154.75
4.4.60.0010.0194.76
4.4.50.0050.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0154.76
4.4.20.0030.0164.84
4.4.10.0030.0154.85
4.4.00.0030.0254.75
4.3.110.0040.0144.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0030.0274.58
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0020.0174.63
4.3.40.0040.0234.54
4.3.30.0000.0193.28
4.3.20.0030.0163.25
4.3.10.0020.0173.21
4.3.00.0030.01731.64

preferences:
54.41 ms | 401 KiB | 5 Q