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)
8.3.60.0180.00416.50
8.3.50.0120.00523.01
8.3.40.0040.01118.92
8.3.30.0140.00018.96
8.3.20.0040.00420.30
8.3.10.0040.00423.53
8.3.00.0080.00017.50
8.2.180.0110.00417.00
8.2.170.0140.00022.96
8.2.160.0100.00320.44
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0030.00521.15
8.2.110.0060.00321.30
8.2.100.0080.00318.03
8.2.90.0030.00518.15
8.2.80.0000.00817.97
8.2.70.0000.01017.50
8.2.60.0060.00318.03
8.2.50.0060.00318.07
8.2.40.0000.00717.97
8.2.30.0000.00818.00
8.2.20.0000.00717.70
8.2.10.0000.00718.14
8.2.00.0030.00517.73
8.1.280.0150.00025.92
8.1.270.0000.00923.80
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0030.00722.45
8.1.230.0110.00020.84
8.1.220.0080.00017.74
8.1.210.0040.00418.85
8.1.200.0100.00017.35
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0000.00918.50
8.1.160.0040.00421.98
8.1.150.0040.00418.84
8.1.140.0030.00517.53
8.1.130.0000.00717.85
8.1.120.0040.00317.61
8.1.110.0040.00417.55
8.1.100.0030.00317.47
8.1.90.0070.00017.48
8.1.80.0000.00717.57
8.1.70.0040.00417.44
8.1.60.0080.00017.69
8.1.50.0040.00417.52
8.1.40.0000.00717.57
8.1.30.0050.00317.72
8.1.20.0070.00317.71
8.1.10.0040.00417.67
8.1.00.0000.00717.50
8.0.300.0000.00719.93
8.0.290.0040.00416.88
8.0.280.0030.00318.38
8.0.270.0000.00717.19
8.0.260.0000.00617.27
8.0.250.0030.00317.06
8.0.240.0070.00017.13
8.0.230.0030.00517.07
8.0.220.0000.00716.95
8.0.210.0030.00316.86
8.0.200.0020.00517.06
8.0.190.0000.00817.03
8.0.180.0000.00716.91
8.0.170.0000.00817.01
8.0.160.0040.00417.02
8.0.150.0030.00416.93
8.0.140.0030.00616.84
8.0.130.0030.00313.41
8.0.120.0000.00716.87
8.0.110.0050.00216.86
8.0.100.0000.00716.97
8.0.90.0070.00016.80
8.0.80.0030.01316.97
8.0.70.0000.00716.83
8.0.60.0030.00516.98
8.0.50.0040.00416.98
8.0.30.0090.01017.20
8.0.20.0140.01017.40
8.0.10.0070.00017.15
8.0.00.0060.01117.02
7.4.330.0000.00615.00
7.4.320.0000.00616.66
7.4.300.0030.00316.76
7.4.290.0030.00316.73
7.4.280.0040.00416.72
7.4.270.0080.00016.71
7.4.260.0040.00316.73
7.4.250.0000.00716.70
7.4.240.0060.00216.73
7.4.230.0030.00616.66
7.4.220.0110.00716.62
7.4.210.0080.00616.87
7.4.200.0030.00316.83
7.4.160.0070.01016.78
7.4.150.0110.01117.40
7.4.140.0080.00917.86
7.4.130.0080.00916.80
7.4.120.0130.00716.66
7.4.110.0100.00716.78
7.4.100.0140.00316.75
7.4.90.0040.01616.70
7.4.80.0030.02019.39
7.4.70.0100.00716.76
7.4.60.0140.00316.55
7.4.50.0030.00516.70
7.4.40.0130.00316.48
7.4.30.0080.00816.51
7.4.00.0040.01115.30
7.3.330.0000.00613.16
7.3.320.0060.00013.14
7.3.310.0000.00716.27
7.3.300.0000.00616.16
7.3.290.0050.00916.27
7.3.280.0120.00516.34
7.3.270.0140.00417.40
7.3.260.0100.01416.35
7.3.250.0090.00916.49
7.3.240.0060.01216.36
7.3.230.0030.01316.48
7.3.210.0170.00716.49
7.3.200.0100.00619.39
7.3.190.0070.01016.57
7.3.180.0070.01016.71
7.3.170.0090.01216.40
7.3.160.0150.00616.38
7.2.330.0090.00916.58
7.2.320.0100.01816.59
7.2.310.0070.01416.78
7.2.300.0080.00816.63
7.2.290.0030.01316.57
7.2.00.0030.00919.53
7.1.100.0260.00517.92
7.1.70.0060.00317.02
7.1.60.0110.01419.40
7.1.50.0000.02316.99
7.1.00.0000.07722.31
7.0.200.0030.00316.83
7.0.140.0100.06322.18
7.0.60.0070.03719.93
7.0.50.0000.06717.88
7.0.40.0000.05020.10
7.0.30.0500.06020.15
7.0.20.0200.08720.01
7.0.10.0070.04720.11
7.0.00.0100.08020.22
5.6.280.0070.07020.90
5.6.210.0130.07020.50
5.6.200.0070.06718.15
5.6.190.0100.03720.79
5.6.180.0270.08020.68
5.6.170.0270.07720.41
5.6.160.0030.05720.39
5.6.150.0070.04718.11
5.6.140.0030.04018.21
5.6.130.0100.05318.22
5.6.120.0170.07720.97
5.6.110.0030.04320.86
5.6.100.0100.08021.09
5.6.90.0100.08321.09
5.6.80.0100.04720.34
5.5.350.0300.07020.46
5.5.340.0070.08317.93
5.5.330.0100.04320.40
5.5.320.0300.07020.56
5.5.310.0230.04320.14
5.5.300.0100.07018.02
5.5.290.0100.06017.93
5.5.280.0030.04720.88
5.5.270.0170.07720.88
5.5.260.0070.08720.87
5.5.250.0070.08020.57
5.5.240.0170.04020.28
5.4.450.0270.07319.20
5.4.440.0330.03319.45
5.4.430.0330.04719.43
5.4.420.0230.04719.40
5.4.410.0270.03719.29
5.4.400.0230.05719.09
5.4.390.0270.06718.93
5.4.380.0270.03718.93
5.4.370.0200.05019.10
5.4.360.0230.08319.08
5.4.350.0230.04718.88
5.4.340.0270.04319.17
5.4.320.0330.05719.25
5.4.310.0370.06719.08
5.4.300.0270.04319.13
5.4.290.0300.04718.92
5.4.280.0230.07719.21
5.4.270.0330.04018.80
5.4.260.0330.03019.06
5.4.250.0300.06719.14
5.4.240.0270.05019.12
5.4.230.0300.06318.87
5.4.220.0230.03719.24
5.4.210.0200.04019.23
5.4.200.0200.04019.24
5.4.190.0230.03719.08
5.4.180.0270.03319.23
5.4.170.0270.04318.91
5.4.160.0200.03719.04
5.4.150.0230.07718.90
5.4.140.0270.06016.21
5.4.130.0200.04016.32
5.4.120.0270.05716.27
5.4.110.0270.03316.35
5.4.100.0170.04316.50
5.4.90.0200.03716.50
5.4.80.0270.06016.49
5.4.70.0230.05716.53
5.4.60.0230.05316.38
5.4.50.0230.03316.46
5.4.40.0230.05016.36
5.4.30.0230.03716.03
5.4.20.0270.07016.40
5.4.10.0270.04716.36
5.4.00.0300.06315.67
5.3.290.0300.06714.64
5.3.280.0300.03014.53
5.3.270.0330.06714.47
5.3.260.0170.04014.45
5.3.250.0230.07314.44
5.3.240.0270.05714.55
5.3.230.0230.06714.69
5.3.220.0230.03714.41
5.3.210.0270.04714.44
5.3.200.0230.03714.50
5.3.190.0170.04314.54
5.3.180.0270.03014.50
5.3.170.0430.06014.39
5.3.160.0230.03714.41
5.3.150.0200.03714.39
5.3.140.0270.04714.39
5.3.130.0230.03714.48
5.3.120.0300.06314.45
5.3.110.0330.03314.40
5.3.100.0400.06313.88
5.3.90.0270.05713.90
5.3.80.0330.04313.80
5.3.70.0230.04713.96
5.3.60.0270.07013.77
5.3.50.0330.06013.82
5.3.40.0270.07314.03
5.3.30.0300.06013.85
5.3.20.0330.04313.48
5.3.10.0230.03713.50
5.3.00.0400.04713.61
5.2.170.0200.05011.32
5.2.160.0230.02311.32
5.2.150.0300.04311.32
5.2.140.0230.05711.32
5.2.130.0200.03711.32
5.2.120.0230.04311.32
5.2.110.0230.03311.32
5.2.100.0270.05311.32
5.2.90.0270.04311.32
5.2.80.0270.04311.32
5.2.70.0230.03011.32
5.2.60.0300.03011.32
5.2.50.0370.05311.32
5.2.40.0200.06011.32
5.2.30.0200.06011.32
5.2.20.0270.04011.32
5.2.10.0230.05311.32
5.2.00.0200.04711.32
5.1.60.0200.05011.32
5.1.50.0170.04311.32
5.1.40.0170.03711.32
5.1.30.0170.05711.32
5.1.20.0130.04711.32
5.1.10.0170.03711.32
5.1.00.0170.02311.32
5.0.50.0130.03311.32
5.0.40.0100.03011.32
5.0.30.0070.03011.32
5.0.20.0070.02711.32
5.0.10.0030.03011.32
5.0.00.0070.03711.32
4.4.90.0070.03011.32
4.4.80.0100.03711.32
4.4.70.0030.03011.32
4.4.60.0100.02311.32
4.4.50.0100.02311.32
4.4.40.0130.04711.32
4.4.30.0100.03011.32
4.4.20.0100.03011.32
4.4.10.0130.01711.32
4.4.00.0070.03011.32
4.3.110.0070.02011.32
4.3.100.0100.01711.32
4.3.90.0100.03711.32
4.3.80.0130.04311.32
4.3.70.0100.02711.32
4.3.60.0070.02311.32
4.3.50.0130.01711.32
4.3.40.0070.05311.32
4.3.30.0070.02311.32
4.3.20.0030.02711.32
4.3.10.0070.02711.32
4.3.00.0070.02011.32

preferences:
35.82 ms | 401 KiB | 5 Q