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)
8.3.60.0090.00618.68
8.3.50.0140.00622.92
8.3.40.0150.00618.83
8.3.30.0100.00318.92
8.3.20.0080.00020.14
8.3.10.0040.00423.61
8.3.00.0060.00617.75
8.2.180.0140.00416.38
8.2.170.0110.00422.96
8.2.160.0130.00318.83
8.2.150.0020.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00721.03
8.2.110.0030.01422.44
8.2.100.0040.00819.89
8.2.90.0000.00719.17
8.2.80.0040.00417.97
8.2.70.0030.00617.75
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00718.02
8.2.20.0000.00817.85
8.2.10.0040.00417.91
8.2.00.0050.00317.81
8.1.280.0130.01025.92
8.1.270.0000.00823.82
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0030.00623.73
8.1.230.0080.00419.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00917.36
8.1.180.0040.00419.01
8.1.170.0080.00518.29
8.1.160.0040.00421.98
8.1.150.0000.00718.84
8.1.140.0070.00017.59
8.1.130.0000.00717.86
8.1.120.0000.00717.55
8.1.110.0040.00417.55
8.1.100.0040.00317.43
8.1.90.0040.00417.50
8.1.80.0050.00217.54
8.1.70.0040.00417.54
8.1.60.0000.00817.66
8.1.50.0000.00817.65
8.1.40.0040.00417.59
8.1.30.0040.00417.76
8.1.20.0030.01017.58
8.1.10.0040.00417.67
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0000.00816.88
8.0.280.0070.00018.48
8.0.270.0000.00717.23
8.0.260.0000.00617.30
8.0.250.0070.00017.01
8.0.240.0070.00017.18
8.0.230.0000.00717.00
8.0.220.0030.00316.98
8.0.210.0040.00416.96
8.0.200.0030.00317.10
8.0.190.0000.00717.05
8.0.180.0050.00317.03
8.0.170.0040.00417.04
8.0.160.0070.00016.97
8.0.150.0070.00016.89
8.0.140.0040.00716.97
8.0.130.0070.00013.46
8.0.120.0050.00216.99
8.0.110.0040.00416.88
8.0.100.0050.00216.84
8.0.90.0070.00016.86
8.0.80.0130.00316.93
8.0.70.0070.00016.92
8.0.60.0060.00316.97
8.0.50.0000.00716.98
8.0.30.0100.01017.02
8.0.20.0110.00917.45
8.0.10.0000.00817.00
8.0.00.0080.00916.86
7.4.330.0040.00315.00
7.4.320.0060.00016.81
7.4.300.0030.00316.67
7.4.290.0070.00016.63
7.4.280.0040.00416.62
7.4.270.0000.00816.66
7.4.260.0070.00016.67
7.4.250.0080.00016.66
7.4.240.0020.00516.69
7.4.230.0030.00616.86
7.4.220.0060.01216.76
7.4.210.0060.00916.54
7.4.200.0040.00416.84
7.4.160.0080.00816.68
7.4.150.0120.00617.40
7.4.140.0130.00717.86
7.4.130.0150.00816.59
7.4.120.0110.00616.78
7.4.110.0100.00716.50
7.4.100.0070.01016.72
7.4.90.0140.00716.71
7.4.80.0130.01119.39
7.4.70.0120.00616.68
7.4.60.0090.00916.77
7.4.50.0000.00816.70
7.4.40.0170.00016.48
7.4.30.0030.01316.86
7.4.00.0030.01015.15
7.3.330.0060.00013.20
7.3.320.0000.00513.21
7.3.310.0000.00716.38
7.3.300.0000.00716.34
7.3.290.0080.00616.30
7.3.280.0050.01216.29
7.3.270.0120.00617.40
7.3.260.0070.01016.32
7.3.240.0160.00016.36
7.3.230.0070.01116.68
7.3.210.0120.00616.64
7.3.200.0060.01219.39
7.3.190.0060.01216.31
7.3.180.0130.00316.32
7.3.170.0090.01316.59
7.3.160.0210.00016.49
7.3.120.0030.01314.49
7.3.110.0040.01114.78
7.3.100.0060.00614.62
7.3.90.0130.00014.68
7.3.80.0110.00415.02
7.3.70.0030.01414.98
7.3.60.0000.01414.95
7.3.50.0030.01314.86
7.3.40.0040.00714.82
7.3.30.0140.00014.87
7.3.20.0030.00616.80
7.3.10.0070.00316.80
7.3.00.0030.00616.66
7.2.330.0120.00616.66
7.2.320.0110.01316.57
7.2.310.0100.00616.75
7.2.300.0000.01816.58
7.2.290.0070.01016.65
7.2.240.0100.00314.95
7.2.230.0060.01014.85
7.2.220.0070.01014.80
7.2.210.0000.01514.86
7.2.200.0070.00415.14
7.2.190.0120.00415.26
7.2.180.0130.00014.99
7.2.170.0030.01014.93
7.2.160.0000.01415.05
7.2.150.0100.00316.81
7.2.140.0030.01216.88
7.2.130.0110.00316.96
7.2.120.0000.01217.07
7.2.110.0000.01616.93
7.2.100.0110.00416.78
7.2.90.0000.01417.00
7.2.80.0040.01416.98
7.2.70.0060.00616.62
7.2.60.0060.00917.02
7.2.50.0070.00716.75
7.2.40.0080.00816.79
7.2.30.0040.00817.11
7.2.20.0070.00416.65
7.2.10.0070.00716.98
7.2.00.0020.01218.39
7.1.330.0040.01115.82
7.1.320.0060.00916.04
7.1.310.0030.01215.93
7.1.300.0000.00915.87
7.1.290.0040.01115.77
7.1.280.0060.00815.83
7.1.270.0090.00615.50
7.1.260.0000.01115.69
7.1.250.0070.00716.06
7.1.200.0070.00416.05
7.1.100.0000.01118.12
7.1.70.0000.00717.10
7.1.60.0070.01819.40
7.1.50.0040.00716.76
7.1.00.0000.07722.46
7.0.200.0030.01416.93
7.0.140.0000.07721.96
7.0.60.0000.04320.00
7.0.50.0030.05717.68
7.0.40.0070.09019.93
7.0.30.0430.08720.14
7.0.20.0330.04020.05
7.0.10.0030.09020.02
7.0.00.0070.07320.03
5.6.280.0030.07321.03
5.6.210.0070.05020.56
5.6.200.0100.07318.19
5.6.190.0100.08320.77
5.6.180.0270.03720.35
5.6.170.0100.05020.49
5.6.160.0000.09320.49
5.6.150.0070.03718.13
5.6.140.0070.08318.11
5.6.130.0070.07318.22
5.6.120.0030.06320.98
5.6.110.0070.04021.10
5.6.100.0070.08721.13
5.6.90.0100.08321.00
5.6.80.0030.06720.48
5.5.350.0330.07320.46
5.5.340.0070.03717.91
5.5.330.0030.04020.44
5.5.320.0370.05020.18
5.5.310.0200.08020.29
5.5.300.0070.07717.88
5.5.290.0070.07317.87
5.5.280.0000.04320.79
5.5.270.0170.07320.96
5.5.260.0130.07320.87
5.5.250.0100.07720.70
5.5.240.2970.03320.28
5.4.450.0270.04019.14
5.4.440.0270.05019.56
5.4.430.0370.04319.41
5.4.420.0370.04019.25
5.4.410.0200.05019.13
5.4.400.0230.04318.92
5.4.390.0130.03719.24
5.4.380.0870.05318.61
5.4.370.0830.05718.56
5.4.360.1000.05318.57
5.4.350.1070.05018.72
5.4.340.0970.05718.52
5.4.320.0060.03512.45
5.4.310.0050.03912.45
5.4.300.0030.03712.45
5.4.290.0060.04012.45
5.4.280.0060.03412.35
5.4.270.0060.03412.34
5.4.260.0080.03512.34
5.4.250.0040.03812.34
5.4.240.0070.03512.34
5.4.230.0030.04012.34
5.4.220.0040.03712.34
5.4.210.0030.03712.34
5.4.200.0030.04012.34
5.4.190.0070.03412.34
5.4.180.0020.04012.34
5.4.170.0060.03712.35
5.4.160.0030.03912.34
5.4.150.0060.03612.34
5.4.140.0040.04012.02
5.4.130.0050.03612.01
5.4.120.0040.03911.96
5.4.110.0080.03311.96
5.4.100.0040.03611.96
5.4.90.0040.03911.96
5.4.80.0060.03511.96
5.4.70.0040.03611.96
5.4.60.0070.03311.96
5.4.50.0090.03611.96
5.4.40.0050.03711.95
5.4.30.0080.03311.95
5.4.20.0070.04511.95
5.4.10.0040.04911.95
5.4.00.0050.03611.43
5.3.290.0080.03812.80
5.3.280.0050.04212.70
5.3.270.0080.04112.72
5.3.260.0060.04012.72
5.3.250.0070.03512.72
5.3.240.0070.03912.72
5.3.230.0070.04212.71
5.3.220.0060.04012.68
5.3.210.0050.03912.68
5.3.200.0060.03612.68
5.3.190.0070.03912.68
5.3.180.0060.04212.67
5.3.170.0080.04312.66
5.3.160.0050.03712.67
5.3.150.0040.03812.68
5.3.140.0060.03612.66
5.3.130.0070.04512.66
5.3.120.0050.04112.66
5.3.110.0080.04312.66
5.3.100.0080.03612.11
5.3.90.0030.04912.08
5.3.80.0030.03812.07
5.3.70.0040.03912.07
5.3.60.0040.03712.06
5.3.50.0050.03612.00
5.3.40.0040.03912.00
5.3.30.0040.03611.97
5.3.20.0030.04111.73
5.3.10.0070.04011.70
5.3.00.0060.03611.68
5.2.170.0070.0319.19
5.2.160.0050.0359.19
5.2.150.0040.0369.19
5.2.140.0050.0389.19
5.2.130.0050.0329.14
5.2.120.0070.0259.15
5.2.110.0050.0289.15
5.2.100.0040.0289.15
5.2.90.0040.0299.15
5.2.80.0050.0359.15
5.2.70.0040.0369.15
5.2.60.0020.0339.10
5.2.50.0040.0309.07
5.2.40.0030.0349.06
5.2.30.0040.0359.03
5.2.20.0030.0379.01
5.2.10.0050.0388.93
5.2.00.0040.0318.79
5.1.60.0050.0238.07
5.1.50.0020.0278.07
5.1.40.0040.0258.05
5.1.30.0050.0328.40
5.1.20.0030.0268.43
5.1.10.0040.0258.14
5.1.00.0050.0248.15
5.0.50.0030.0216.63
5.0.40.0020.0216.48
5.0.30.0030.0316.30
5.0.20.0050.0186.27
5.0.10.0020.0216.25
5.0.00.0060.0286.24
4.4.90.0020.0164.78
4.4.80.0010.0174.75
4.4.70.0010.0174.75
4.4.60.0030.0154.76
4.4.50.0040.0134.77
4.4.40.0040.0264.71
4.4.30.0040.0164.76
4.4.20.0020.0164.84
4.4.10.0040.0154.85
4.4.00.0030.0254.75
4.3.110.0020.0164.67
4.3.100.0030.0164.66
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0020.0164.63
4.3.50.0040.0204.63
4.3.40.0030.0324.54
4.3.30.0030.0193.29
4.3.20.0040.0203.27
4.3.10.0030.0143.23
4.3.00.0300.01315.96

preferences:
45.61 ms | 401 KiB | 5 Q