3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = "testa@weste.de"; $pattern = "/^\w\K[^\s@]+@(\w)[^\s.@]+/"; $replacement = "*@$1***"; echo preg_replace($pattern, $replacement, $email);

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)
8.5.30.0110.00819.64
8.5.20.0090.00219.29
8.5.10.0110.00918.45
8.5.00.0120.01020.02
8.4.180.0140.00625.75
8.4.170.0110.01123.71
8.4.160.0130.00823.75
8.4.150.0100.00316.93
8.4.140.0120.01017.36
8.4.130.0110.01017.70
8.4.120.0130.00720.65
8.4.110.0070.00819.06
8.4.100.0110.01217.85
8.4.90.0130.00820.38
8.4.80.0120.00820.53
8.4.70.0110.00820.78
8.4.60.0110.01020.46
8.4.50.0110.00717.72
8.4.40.0080.00618.61
8.4.30.0030.01320.49
8.4.20.0200.00020.54
8.4.10.0060.00918.72
8.3.300.0140.00622.71
8.3.290.0110.00918.37
8.3.280.0100.00918.56
8.3.270.0100.01016.69
8.3.260.0080.01116.66
8.3.250.0110.00718.79
8.3.240.0100.01016.60
8.3.230.0110.00816.66
8.3.220.0150.00320.75
8.3.210.0110.00716.80
8.3.200.0040.00516.55
8.3.190.0110.01018.70
8.3.180.0070.00316.48
8.3.170.0140.00416.95
8.3.160.0090.00616.55
8.3.150.0090.00918.86
8.3.140.0110.00717.22
8.3.130.0080.00018.44
8.3.120.0170.00318.63
8.3.110.0040.00420.94
8.3.100.0100.00024.06
8.3.90.0000.00826.77
8.3.80.0060.00318.55
8.3.70.0060.01016.58
8.3.60.0300.00721.21
8.3.50.0120.00821.20
8.3.40.0220.00622.42
8.3.30.0240.00522.38
8.3.20.0180.00825.05
8.3.10.0190.00825.29
8.3.00.0220.00526.04
8.2.300.0100.01118.21
8.2.290.0100.00817.44
8.2.280.0120.00718.91
8.2.270.0090.00916.80
8.2.260.0110.00718.69
8.2.250.0000.00818.26
8.2.240.0070.01318.97
8.2.230.0040.00422.58
8.2.220.0130.00337.54
8.2.210.0040.00426.77
8.2.200.0040.00716.88
8.2.190.0140.00716.88
8.2.180.0210.00925.92
8.2.170.0180.00722.44
8.2.160.0230.00424.44
8.2.150.0190.00325.79
8.2.140.0140.00525.29
8.2.130.0130.00526.04
8.2.120.0170.00423.40
8.2.110.0140.00424.09
8.2.100.0190.00521.91
8.2.90.0120.00721.95
8.2.80.0090.01322.41
8.2.70.0150.00521.84
8.2.60.0100.00921.86
8.2.50.0120.00721.99
8.2.40.0090.01222.96
8.2.30.0030.01221.94
8.2.20.0100.00821.99
8.2.10.0150.00522.61
8.2.00.0110.00822.61
8.1.340.0140.00917.77
8.1.330.0150.00516.33
8.1.320.0100.00921.98
8.1.310.0100.00016.57
8.1.300.0090.00919.73
8.1.290.0060.00318.88
8.1.280.0160.00725.92
8.1.270.0130.00424.96
8.1.260.0150.00526.14
8.1.250.0170.00527.00
8.1.240.0140.00624.07
8.1.230.0160.00623.44
8.1.220.0150.00421.83
8.1.210.0100.00722.35
8.1.200.0160.00421.63
8.1.190.0120.00721.57
8.1.180.0130.00522.01
8.1.170.0110.00822.28
8.1.160.0100.00922.47
8.1.150.0150.00422.44
8.1.140.0140.00522.32
8.1.130.0140.00523.05
8.1.120.0120.00421.68
8.1.110.0110.00821.72
8.1.100.0070.01121.67
8.1.90.0120.00621.74
8.1.80.0150.00321.67
8.1.70.0130.00421.64
8.1.60.0110.00621.75
8.1.50.0180.00321.74
8.1.40.0120.01021.75
8.1.30.0100.00721.76
8.1.20.0090.00921.79
8.1.10.0150.00321.75
8.1.00.0150.00621.73
8.0.300.0200.00422.98
8.0.290.0140.00621.40
8.0.280.0180.00322.18
8.0.270.0140.00421.99
8.0.260.0150.00322.21
8.0.250.0150.00321.52
8.0.240.0140.00321.44
8.0.230.0110.00821.42
8.0.220.0200.00821.46
8.0.210.0220.00821.38
8.0.200.0150.00721.49
8.0.190.0180.00521.41
8.0.180.0180.00721.40
8.0.170.0130.01021.47
8.0.160.0170.00621.46
8.0.150.0150.01021.44
8.0.140.0210.00521.40
8.0.130.0190.00719.65
8.0.120.0200.00721.37
8.0.110.0190.00621.47
8.0.100.0240.00521.38
8.0.90.0220.00321.43
8.0.80.0230.00421.47
8.0.70.0190.00521.38
8.0.60.0190.00521.40
8.0.50.0200.00321.35
8.0.30.0200.00821.38
8.0.20.0210.00421.42
8.0.10.0140.00721.44
8.0.00.0120.00921.45
7.4.330.0130.00620.73
7.4.320.0110.00721.28
7.4.300.0120.00621.33
7.4.290.0110.00721.25
7.4.280.0140.00621.23
7.4.270.0160.00321.33
7.4.260.0140.00819.67
7.4.250.0170.00521.20
7.4.240.0100.00821.35
7.4.230.0130.00521.33
7.4.220.0180.00221.27
7.4.210.0100.00821.30
7.4.200.0160.00721.24
7.4.190.0180.00721.21
7.4.180.0170.00621.33
7.4.160.0160.00821.22
7.4.150.0190.00421.31
7.4.140.0190.00521.20
7.4.130.0140.00721.27
7.4.120.0170.00621.31
7.4.110.0180.00521.34
7.4.100.0180.00721.24
7.4.90.0200.00421.38
7.4.80.0220.00221.33
7.4.70.0160.00721.23
7.4.60.0160.00721.19
7.4.50.0110.01321.30
7.4.40.0170.00521.34
7.4.30.0120.00921.28
7.4.20.0130.01021.20
7.4.10.0140.00921.35
7.4.00.0160.00621.19
7.3.330.0210.00221.13
7.3.320.0110.00919.56
7.3.310.0140.01121.16
7.3.300.0140.00821.10
7.3.290.0100.00921.10
7.3.280.0160.00421.10
7.3.270.0180.00521.09
7.3.260.0160.00721.06
7.3.250.0170.00521.12
7.3.240.0150.00921.12
7.3.230.0190.00521.10
7.3.220.0140.01321.00
7.3.210.0210.00621.05
7.3.200.0170.00720.99
7.3.190.0210.00021.08
7.3.180.0190.00521.01
7.3.170.0160.00821.09
7.3.160.0140.01021.08
7.3.150.0180.00521.09
7.3.140.0200.00321.09
7.3.130.0230.00521.09
7.3.120.0230.00921.07
7.3.110.0190.00721.05
7.3.100.0160.00621.05
7.3.90.0160.00721.19
7.3.80.0120.01021.10
7.3.70.0160.00521.18
7.3.60.0170.00521.20
7.3.50.0130.00721.12
7.3.40.0130.00821.18
7.3.30.0120.00621.19
7.3.20.0180.00422.07
7.3.10.0140.00522.01
7.3.00.0140.00621.99

preferences:
57.55 ms | 1378 KiB | 5 Q