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@an.email.address with stars");

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)
8.3.60.0090.00918.43
8.3.50.0140.00322.85
8.3.40.0120.00318.96
8.3.30.0110.00319.04
8.3.20.0040.00420.17
8.3.10.0040.00423.66
8.3.00.0080.00017.75
8.2.180.0030.01218.54
8.2.170.0140.00322.96
8.2.160.0140.00020.22
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00821.00
8.2.110.0030.00722.37
8.2.100.0060.00619.70
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0070.00317.88
8.2.60.0050.00317.80
8.2.50.0000.00918.07
8.2.40.0040.00418.22
8.2.30.0030.00518.16
8.2.20.0000.00817.75
8.2.10.0020.00518.10
8.2.00.0000.00917.64
8.1.280.0120.00325.92
8.1.270.0050.00323.92
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.84
8.1.230.0100.00018.81
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0070.00418.73
8.1.160.0040.00421.98
8.1.150.0070.00018.72
8.1.140.0030.00517.56
8.1.130.0000.00717.88
8.1.120.0070.00017.45
8.1.110.0050.00217.54
8.1.100.0030.00517.57
8.1.90.0040.00417.46
8.1.80.0000.00717.52
8.1.70.0040.00417.44
8.1.60.0060.00317.71
8.1.50.0050.00317.50
8.1.40.0030.00517.58
8.1.30.0080.00017.72
8.1.20.0030.00617.65
8.1.10.0000.00717.56
8.1.00.0040.00417.59
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.41
8.0.270.0000.00817.34
8.0.260.0030.00317.27
8.0.250.0050.00317.17
8.0.240.0000.00817.13
8.0.230.0000.00716.91
8.0.220.0040.00416.96
8.0.210.0070.00016.92
8.0.200.0030.00317.02
8.0.190.0000.00816.93
8.0.180.0000.00717.05
8.0.170.0000.00816.89
8.0.160.0040.00416.86
8.0.150.0040.00416.96
8.0.140.0110.00016.95
8.0.130.0030.00313.40
8.0.120.0040.00416.96
8.0.110.0000.00716.92
8.0.100.0040.00416.81
8.0.90.0070.00016.88
8.0.80.0120.00617.04
8.0.70.0030.00517.06
8.0.60.0030.00616.85
8.0.50.0050.00316.84
8.0.30.0130.00617.43
8.0.20.0170.00317.48
8.0.10.0030.00617.06
8.0.00.0100.00816.83
7.4.330.0000.00715.00
7.4.320.0000.00716.66
7.4.300.0030.00316.77
7.4.290.0000.00716.73
7.4.280.0080.00016.77
7.4.270.0040.00416.81
7.4.260.0030.00516.73
7.4.250.0000.00816.58
7.4.240.0020.00516.72
7.4.230.0000.00816.73
7.4.220.0120.00616.70
7.4.210.0070.00716.68
7.4.200.0070.00016.85
7.4.160.0090.00616.66
7.4.150.0070.01117.40
7.4.140.0100.01017.86
7.4.130.0070.01416.55
7.4.120.0110.00816.77
7.4.110.0100.00716.64
7.4.100.0070.01416.70
7.4.90.0060.01216.51
7.4.80.0070.01019.39
7.4.70.0060.01616.77
7.4.60.0110.00516.79
7.4.50.0030.00316.66
7.4.40.0080.01216.67
7.4.30.0060.00916.56
7.4.00.0030.01315.29
7.3.330.0030.00313.26
7.3.320.0060.00013.17
7.3.310.0040.00416.35
7.3.300.0040.00416.29
7.3.290.0060.00816.34
7.3.280.0060.00916.27
7.3.270.0120.00617.40
7.3.260.0150.00916.52
7.3.240.0130.00316.58
7.3.230.0050.01116.56
7.3.210.0170.00016.72
7.3.200.0030.01319.39
7.3.190.0040.01316.28
7.3.180.0100.00616.37
7.3.170.0120.00316.35
7.3.160.0130.00316.29
7.2.330.0120.00816.53
7.2.320.0090.01216.67
7.2.310.0070.01016.59
7.2.300.0060.00916.56
7.2.290.0150.00616.79
7.2.60.0030.01316.77
7.2.00.0090.00319.63
7.1.200.0040.00415.91
7.1.100.0030.00618.30
7.1.70.0000.01017.02
7.1.60.0040.01219.40
7.1.50.0230.01334.79
7.1.00.0030.07322.29
7.0.200.0000.00716.97
7.0.140.0170.06322.15
7.0.60.0100.08019.86
7.0.50.0070.08317.93
7.0.40.0100.06720.23
7.0.30.0470.05020.32
7.0.20.0130.04320.18
7.0.10.0070.08720.18
7.0.00.0030.04720.03
5.6.280.0030.07321.11
5.6.210.0100.07320.52
5.6.200.0070.08018.17
5.6.190.0130.06320.63
5.6.180.0170.04320.58
5.6.170.0300.07020.50
5.6.160.0130.07720.37
5.6.150.0130.07318.14
5.6.140.0070.05018.11
5.6.130.0200.07018.11
5.6.120.0030.08720.96
5.6.110.0130.08320.99
5.6.100.0100.04021.02
5.6.90.0100.08020.87
5.6.80.0170.07020.46
5.5.350.0270.06320.48
5.5.340.0070.06718.04
5.5.330.0070.05320.29
5.5.320.0500.07020.21
5.5.310.0330.06720.29
5.5.300.0030.07718.02
5.5.290.0030.07317.91
5.5.280.0100.08020.97
5.5.270.0100.06020.86
5.5.260.0070.08720.83
5.5.250.0100.08020.68
5.5.240.0200.07020.25
5.4.450.0300.04019.49
5.4.440.0230.04019.24
5.4.430.0270.05019.56
5.4.420.0230.04319.10
5.4.410.0330.04719.33
5.4.400.1070.03018.86
5.4.390.0370.04318.79
5.4.380.0370.07018.54
5.4.370.0470.05318.61
5.4.360.0370.04718.62
5.4.350.0330.06018.70
5.4.340.0400.04718.71
5.4.320.0080.03812.45
5.4.310.0060.03912.45
5.4.300.0050.03812.45
5.4.290.0070.03812.45
5.4.280.0060.03512.35
5.4.270.0050.03812.35
5.4.260.0070.04012.34
5.4.250.0060.04112.34
5.4.240.0020.03912.35
5.4.230.0050.03812.34
5.4.220.0070.03412.34
5.4.210.0070.03412.34
5.4.200.0070.03912.34
5.4.190.0060.03512.33
5.4.180.0060.03612.34
5.4.170.0040.03712.34
5.4.160.0050.03612.34
5.4.150.0050.03712.34
5.4.140.0050.03812.02
5.4.130.0050.03712.01
5.4.120.0000.04211.96
5.4.110.0050.03811.96
5.4.100.0060.03511.96
5.4.90.0060.03711.96
5.4.80.0040.03911.96
5.4.70.0050.03911.96
5.4.60.0080.03311.96
5.4.50.0020.04511.96
5.4.40.0070.03411.95
5.4.30.0070.03411.95
5.4.20.0030.03811.95
5.4.10.0040.03611.95
5.4.00.0040.03911.43
5.3.290.0070.04312.80
5.3.280.0040.03812.71
5.3.270.0090.03512.72
5.3.260.0060.03812.72
5.3.250.0070.03612.72
5.3.240.0080.03412.72
5.3.230.0050.03712.71
5.3.220.0050.03812.68
5.3.210.0110.03412.68
5.3.200.0070.03512.68
5.3.190.0050.04012.68
5.3.180.0070.03512.67
5.3.170.0090.03312.67
5.3.160.0060.03612.67
5.3.150.0050.03812.68
5.3.140.0070.03512.66
5.3.130.0070.03712.66
5.3.120.0080.03812.66
5.3.110.0070.03912.66
5.3.100.0030.03912.12
5.3.90.0060.03612.09
5.3.80.0080.03912.08
5.3.70.0060.04712.08
5.3.60.0100.03212.07
5.3.50.0070.03512.00
5.3.40.0080.03312.00
5.3.30.0070.03411.95
5.3.20.0050.03611.73
5.3.10.0080.03211.70
5.3.00.0060.03711.68
5.2.170.0080.0319.19
5.2.160.0090.0269.19
5.2.150.0090.0269.19
5.2.140.0010.0349.18
5.2.130.0060.0309.14
5.2.120.0060.0279.15
5.2.110.0060.0289.15
5.2.100.0070.0279.15
5.2.90.0040.0309.15
5.2.80.0060.0299.14
5.2.70.0040.0319.14
5.2.60.0040.0319.10
5.2.50.0040.0309.07
5.2.40.0070.0289.05
5.2.30.0040.0319.02
5.2.20.0040.0289.03
5.2.10.0060.0268.95
5.2.00.0080.0298.81
5.1.60.0040.0248.09
5.1.50.0030.0268.09
5.1.40.0050.0268.07
5.1.30.0050.0288.42
5.1.20.0060.0308.44
5.1.10.0060.0258.16
5.1.00.0020.0288.17
5.0.50.0040.0206.65
5.0.40.0000.0226.50
5.0.30.0040.0306.32
5.0.20.0020.0206.29
5.0.10.0030.0206.26
5.0.00.0050.0286.25
4.4.90.0030.0154.78
4.4.80.0010.0184.76
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0030.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0144.76
4.4.20.0040.0134.85
4.4.10.0020.0164.85
4.4.00.0060.0224.76
4.3.110.0040.0144.67
4.3.100.0010.0164.67
4.3.90.0030.0144.63
4.3.80.0070.0244.59
4.3.70.0020.0144.63
4.3.60.0020.0154.63
4.3.50.0050.0134.63
4.3.40.0030.0234.54
4.3.30.0020.0163.32
4.3.20.0050.0133.29
4.3.10.0010.0163.24
4.3.00.0100.01315.96

preferences:
28 ms | 401 KiB | 5 Q