3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = "/[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}/"; /*$pattern = "/[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})/";*/ $replacement = "**************"; echo preg_replace($pattern, $replacement, "I want to replace this.is@email.com with stars"); echo "\n"; echo preg_replace("/a/", "A", "I want to capitalise all A's");

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)
8.3.60.0110.00418.55
8.3.50.0110.00623.08
8.3.40.0080.00818.93
8.3.30.0100.00319.10
8.3.20.0000.00720.20
8.3.10.0050.00323.48
8.3.00.0050.00317.71
8.2.180.0110.00316.48
8.2.170.0110.00422.96
8.2.160.0100.00320.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0060.00321.07
8.2.110.0090.00022.12
8.2.100.0090.00317.97
8.2.90.0040.00419.21
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0040.00418.34
8.2.30.0080.00018.07
8.2.20.0040.00417.72
8.2.10.0080.00018.03
8.2.00.0000.00717.65
8.1.280.0100.00725.92
8.1.270.0040.00423.97
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0030.00623.84
8.1.230.0060.00619.16
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0040.00417.35
8.1.180.0000.00919.01
8.1.170.0050.00918.73
8.1.160.0040.00421.88
8.1.150.0000.00818.78
8.1.140.0080.00017.58
8.1.130.0000.00717.84
8.1.120.0000.00717.46
8.1.110.0050.00317.43
8.1.100.0000.00717.55
8.1.90.0000.00717.43
8.1.80.0040.00417.46
8.1.70.0040.00417.49
8.1.60.0030.00617.69
8.1.50.0050.00317.57
8.1.40.0040.00417.63
8.1.30.0050.00317.74
8.1.20.0000.01117.72
8.1.10.0030.00517.61
8.1.00.0000.00917.60
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0080.00018.47
8.0.270.0000.00717.28
8.0.260.0000.00617.20
8.0.250.0040.00417.02
8.0.240.0070.00017.17
8.0.230.0050.00316.92
8.0.220.0030.00317.00
8.0.210.0040.00416.98
8.0.200.0030.00317.01
8.0.190.0070.00016.91
8.0.180.0000.00816.91
8.0.170.0040.00417.03
8.0.160.0070.00017.05
8.0.150.0040.00416.98
8.0.140.0040.00716.95
8.0.130.0030.00313.38
8.0.120.0080.00016.95
8.0.110.0000.00716.98
8.0.100.0000.00716.95
8.0.90.0000.00717.02
8.0.80.0140.00716.88
8.0.70.0040.00416.82
8.0.60.0030.00616.93
8.0.50.0070.00016.86
8.0.30.0120.00717.18
8.0.20.0140.00617.40
8.0.10.0040.00417.05
8.0.00.0040.01616.71
7.4.330.0070.00015.00
7.4.320.0000.00616.66
7.4.300.0000.00616.75
7.4.290.0030.00316.67
7.4.280.0050.00316.65
7.4.270.0000.00716.71
7.4.260.0050.00316.56
7.4.250.0040.00416.76
7.4.240.0000.00716.67
7.4.230.0020.00516.59
7.4.220.0130.00616.58
7.4.210.0160.00316.77
7.4.200.0040.00416.74
7.4.160.0060.01016.86
7.4.150.0070.01017.40
7.4.140.0140.00817.86
7.4.130.0060.01816.61
7.4.120.0090.00816.62
7.4.110.0140.00416.62
7.4.100.0130.00416.73
7.4.90.0040.01516.48
7.4.80.0070.01119.39
7.4.70.0060.01216.72
7.4.60.0060.01216.80
7.4.50.0030.00616.73
7.4.40.0150.00816.57
7.4.30.0120.00416.74
7.4.00.0000.01415.12
7.3.330.0060.00013.16
7.3.320.0050.00013.13
7.3.310.0000.00616.24
7.3.300.0000.00716.18
7.3.290.0030.01016.29
7.3.280.0120.00516.30
7.3.270.0090.00917.40
7.3.260.0120.00616.66
7.3.240.0080.00816.31
7.3.230.0100.00716.39
7.3.210.0070.01616.34
7.3.200.0110.00519.39
7.3.190.0130.00716.59
7.3.180.0000.01716.20
7.3.170.0190.00316.41
7.3.160.0070.01316.34
7.3.10.0060.00616.69
7.3.00.0070.00716.64
7.2.330.0100.01316.65
7.2.320.0130.01016.66
7.2.310.0100.00716.56
7.2.300.0160.00716.76
7.2.290.0030.01216.60
7.2.130.0100.00316.64
7.2.120.0100.00716.44
7.2.110.0100.00716.46
7.2.100.0070.01017.06
7.2.90.0000.01316.89
7.2.80.0030.01017.05
7.2.70.0080.01117.02
7.2.60.0110.00016.84
7.2.50.0050.00816.75
7.2.40.0030.01016.88
7.2.30.0070.00716.95
7.2.20.0110.00417.00
7.2.10.0080.00416.99
7.2.00.0060.00418.04
7.1.250.0080.00415.88
7.1.100.0000.01318.49
7.1.70.0040.00417.34
7.1.60.0070.01719.40
7.1.50.0140.01016.74
7.1.00.0030.07722.45
7.0.200.0300.00714.89
7.0.140.0070.07321.92
7.0.60.0030.07719.93
7.0.50.0070.07717.73
7.0.40.0070.05020.23
7.0.30.0200.04020.18
7.0.20.0300.07020.11
7.0.10.0070.04020.05
7.0.00.0100.04720.00
5.6.280.0100.06321.06
5.6.210.0100.07720.43
5.6.200.0070.04718.08
5.6.190.0000.05720.49
5.6.180.0230.05720.61
5.6.170.0230.03320.33
5.6.160.0100.04720.50
5.6.150.0130.04018.11
5.6.140.0070.08018.18
5.6.130.0100.07718.12
5.6.120.0070.08321.01
5.6.110.0100.07020.96
5.6.100.0130.03021.11
5.6.90.0100.04720.99
5.6.80.0070.03720.52
5.5.350.0270.05020.33
5.5.340.0070.07017.97
5.5.330.0170.09020.46
5.5.320.0330.08320.18
5.5.310.0370.07020.16
5.5.300.0030.08017.91
5.5.290.0070.08317.97
5.5.280.0030.08720.76
5.5.270.0070.03720.96
5.5.260.0030.05320.83
5.5.250.0170.06720.46
5.5.240.0100.06020.14
5.4.450.0270.04319.57
5.4.440.0370.04319.54
5.4.430.0470.04019.54
5.4.420.0370.04719.54
5.4.410.0230.04319.33
5.4.400.0200.04019.16
5.4.390.0570.03718.93
5.4.380.0900.06018.49
5.4.370.1100.05718.64
5.4.360.1100.04718.72
5.4.350.1030.05018.46
5.4.340.1070.04718.61
5.4.320.0070.03612.45
5.4.310.0090.04212.45
5.4.300.0020.04112.45
5.4.290.0050.03812.45
5.4.280.0040.03712.35
5.4.270.0030.04112.35
5.4.260.0070.04512.34
5.4.250.0020.04212.34
5.4.240.0040.03812.35
5.4.230.0060.04412.34
5.4.220.0090.03412.34
5.4.210.0090.03412.34
5.4.200.0120.04112.34
5.4.190.0070.03712.33
5.4.180.0060.03612.33
5.4.170.0050.03812.34
5.4.160.0060.03612.34
5.4.150.0020.04112.34
5.4.140.0030.04012.02
5.4.130.0060.03612.01
5.4.120.0030.03811.96
5.4.110.0080.03311.96
5.4.100.0030.03911.97
5.4.90.0050.03711.96
5.4.80.0060.03811.96
5.4.70.0030.04011.96
5.4.60.0030.04211.96
5.4.50.0060.03611.96
5.4.40.0050.03711.95
5.4.30.0050.03611.95
5.4.20.0040.03911.95
5.4.10.0050.03511.95
5.4.00.0070.03611.44
5.3.290.0080.04012.80
5.3.280.0120.04012.71
5.3.270.0090.03812.73
5.3.260.0070.03912.72
5.3.250.0050.03812.71
5.3.240.0030.04012.72
5.3.230.0060.03712.71
5.3.220.0050.03712.68
5.3.210.0060.05012.68
5.3.200.0050.04612.68
5.3.190.0090.03612.68
5.3.180.0100.03712.67
5.3.170.0060.03612.67
5.3.160.0060.03712.67
5.3.150.0020.04212.67
5.3.140.0050.03812.66
5.3.130.0050.04012.66
5.3.120.0070.04212.66
5.3.110.0060.04412.66
5.3.100.0070.04212.12
5.3.90.0020.04212.08
5.3.80.0070.03812.07
5.3.70.0030.03912.07
5.3.60.0090.03912.07
5.3.50.0080.04912.01
5.3.40.0040.03812.00
5.3.30.0040.03711.95
5.3.20.0050.03711.73
5.3.10.0060.03511.70
5.3.00.0060.03711.69
5.2.170.0040.0319.19
5.2.160.0060.0299.19
5.2.150.0060.0309.19
5.2.140.0050.0309.18
5.2.130.0030.0309.15
5.2.120.0070.0309.15
5.2.110.0010.0025.15
5.2.100.0070.0269.15
5.2.90.0040.0309.15
5.2.80.0070.0319.14
5.2.70.0070.0309.15
5.2.60.0060.0329.10
5.2.50.0060.0359.07
5.2.40.0030.0349.05
5.2.30.0060.0329.02
5.2.20.0060.0349.02
5.2.10.0060.0278.91
5.2.00.0100.0288.78
5.1.60.0050.0348.06
5.1.50.0070.0298.05
5.1.40.0040.0258.04
5.1.30.0030.0368.38
5.1.20.0040.0288.41
5.1.10.0050.0278.13
5.1.00.0060.0258.14
5.0.50.0040.0206.61
5.0.40.0030.0216.47
5.0.30.0070.0296.29
5.0.20.0040.0196.26
5.0.10.0010.0246.23
5.0.00.0040.0316.22
4.4.90.0020.0174.78
4.4.80.0020.0164.75
4.4.70.0040.0144.76
4.4.60.0030.0154.75
4.4.50.0020.0174.77
4.4.40.0040.0254.71
4.4.30.0020.0194.76
4.4.20.0050.0144.84
4.4.10.0030.0194.85
4.4.00.0050.0314.76
4.3.110.0070.0134.67
4.3.100.0040.0214.66
4.3.90.0060.0194.64
4.3.80.0050.0304.59
4.3.70.0040.0204.63
4.3.60.0010.0234.63
4.3.50.0030.0224.62
4.3.40.0090.0264.54
4.3.30.0020.0183.29
4.3.20.0020.0163.26
4.3.10.0040.0193.22
4.3.00.0070.01315.96

preferences:
38.77 ms | 401 KiB | 5 Q