3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a\\,b\\\\,c\\\\\\,d\\\\'; preg_match_all('/(?:[^\x5c,]|\x5c(?:.|$))+/', $str, $matches); var_dump($matches[0]);

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)
8.3.60.0110.00416.75
8.3.50.0120.01023.00
8.3.40.0040.01118.84
8.3.30.0130.00619.09
8.3.20.0040.00420.18
8.3.10.0080.00023.61
8.3.00.0060.00319.51
8.2.180.0280.00018.79
8.2.170.0090.00622.96
8.2.160.0110.00320.43
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0030.00526.16
8.2.120.0040.00420.85
8.2.110.0030.00622.18
8.2.100.0040.00717.91
8.2.90.0050.00319.22
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0050.00318.03
8.2.50.0030.00618.07
8.2.40.0000.00718.09
8.2.30.0040.00418.01
8.2.20.0040.00417.70
8.2.10.0070.00017.89
8.2.00.0050.00317.68
8.1.280.0090.00925.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.69
8.1.230.0040.00719.10
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0030.00517.25
8.1.180.0060.00318.10
8.1.170.0060.00318.64
8.1.160.0050.00221.98
8.1.150.0000.00718.88
8.1.140.0000.01017.60
8.1.130.0030.00317.84
8.1.120.0040.00417.62
8.1.110.0040.00417.52
8.1.100.0000.00717.46
8.1.90.0030.00517.55
8.1.80.0040.00417.52
8.1.70.0000.00817.43
8.1.60.0030.00617.55
8.1.50.0030.00617.48
8.1.40.0000.00717.51
8.1.30.0040.00417.62
8.1.20.0040.00417.64
8.1.10.0040.00417.60
8.1.00.0070.00017.67
8.0.300.0020.00518.77
8.0.290.0000.00716.63
8.0.280.0030.00318.27
8.0.270.0030.00316.89
8.0.260.0000.00617.32
8.0.250.0000.00717.07
8.0.240.0030.00316.93
8.0.230.0040.00417.08
8.0.220.0050.00317.00
8.0.210.0020.00516.96
8.0.200.0030.00316.90
8.0.190.0040.00417.02
8.0.180.0000.00717.00
8.0.170.0000.00817.05
8.0.160.0030.00417.03
8.0.150.0000.00716.97
8.0.140.0020.00516.86
8.0.130.0060.00013.44
8.0.120.0080.00016.91
8.0.110.0030.00516.91
8.0.100.0080.00016.95
8.0.90.0040.00416.84
8.0.80.0090.00916.93
8.0.70.0000.00816.87
8.0.60.0000.00816.92
8.0.50.0030.00516.84
8.0.30.0110.00717.33
8.0.20.0140.00517.40
8.0.10.0040.00417.14
8.0.00.0120.00616.62
7.4.330.0050.00015.05
7.4.320.0030.00316.74
7.4.300.0060.00016.55
7.4.290.0070.00016.57
7.4.280.0030.00516.65
7.4.270.0030.00316.73
7.4.260.0000.00716.72
7.4.250.0000.00716.73
7.4.240.0030.00516.68
7.4.230.0030.00316.54
7.4.220.0150.00316.83
7.4.210.0090.00616.79
7.4.200.0030.00516.67
7.4.160.0030.01816.67
7.4.150.0090.01017.40
7.4.140.0030.01617.86
7.4.130.0060.01116.69
7.4.120.0110.00716.60
7.4.110.0070.01016.57
7.4.100.0090.01116.46
7.4.90.0080.00816.57
7.4.80.0060.01719.39
7.4.70.0180.00416.63
7.4.60.0060.00916.68
7.4.50.0080.00016.48
7.4.40.0180.00016.46
7.4.30.0150.00616.72
7.4.00.0080.00815.01
7.3.330.0060.00013.08
7.3.320.0030.00213.18
7.3.310.0000.00816.32
7.3.300.0040.00416.45
7.3.290.0070.00716.39
7.3.280.0080.00916.37
7.3.270.0040.01517.40
7.3.260.0060.01216.86
7.3.250.0100.00616.51
7.3.240.0120.01216.44
7.3.230.0100.00516.39
7.3.210.0070.01016.69
7.3.200.0040.01819.39
7.3.190.0160.00016.46
7.3.180.0070.01716.69
7.3.170.0060.01516.39
7.3.160.0090.00716.43
7.3.120.0070.01014.74
7.3.110.0030.01314.83
7.3.100.0090.00914.96
7.3.90.0090.00415.03
7.3.80.0060.00914.85
7.3.70.0030.01014.84
7.3.60.0060.00615.09
7.3.50.0070.00714.97
7.3.40.0040.00414.99
7.3.30.0070.00714.91
7.3.20.0070.01116.95
7.3.10.0030.00616.93
7.3.00.0030.00616.47
7.2.330.0130.01016.67
7.2.320.0120.00616.75
7.2.310.0160.00016.47
7.2.300.0030.01316.71
7.2.290.0150.00616.71
7.2.250.0110.00715.07
7.2.240.0130.00715.15
7.2.230.0030.01215.23
7.2.220.0040.00815.11
7.2.210.0100.00714.97
7.2.200.0030.01315.20
7.2.190.0000.01515.10
7.2.180.0070.00314.75
7.2.170.0060.00615.29
7.2.60.0000.01417.08
7.2.50.0060.00616.93
7.1.330.0030.01215.68
7.1.320.0090.00615.99
7.1.310.0030.00915.75
7.1.300.0030.01015.81
7.1.290.0100.00016.05
7.1.280.0060.01016.00
7.1.270.0060.00616.00
7.1.260.0030.00616.11
7.1.200.0000.01216.01
7.1.70.0060.00617.42
7.1.60.0110.01419.46
7.1.50.0030.02017.13
7.1.00.0100.07022.39
7.0.200.0000.00716.92
7.0.140.0000.07321.95
7.0.60.0100.07719.95
7.0.50.0100.08317.84
7.0.40.0170.07020.00
7.0.30.0370.04720.14
7.0.20.0200.04020.19
7.0.10.0230.08320.01
7.0.00.0070.08320.19
5.6.280.0070.07020.86
5.6.210.0130.07720.75
5.6.200.0100.07718.16
5.6.190.0130.05720.41
5.6.180.0370.07720.77
5.6.170.0200.03720.54
5.6.160.0030.06020.41
5.6.150.0070.06318.19
5.6.140.0070.03718.09
5.6.130.0100.08018.21
5.6.120.0030.07321.14
5.6.110.0170.07021.13
5.6.100.0100.07720.88
5.6.90.0030.06020.99
5.6.80.0070.08320.34
5.6.70.4330.04020.51
5.5.350.0070.06720.48
5.5.340.0000.04317.93
5.5.330.0000.09320.37
5.5.320.0270.07720.41
5.5.310.0230.04320.12
5.5.300.0000.04317.94
5.5.290.0100.08318.01
5.5.280.0100.07720.79
5.5.270.0130.07720.96
5.5.260.0100.07720.83
5.5.250.0070.08720.70
5.5.240.0100.07720.36
5.4.450.0200.04719.11
5.4.440.0200.04319.21
5.4.430.0400.04019.45
5.4.420.0170.03319.40
5.4.410.0230.04319.45
5.4.400.0330.03318.95
5.4.390.0030.03019.09
5.4.380.0370.05018.50
5.4.370.0470.05018.52
5.4.360.0330.05718.71
5.4.350.0370.05318.63
5.4.340.0370.05318.75
5.4.320.0040.03712.45
5.4.310.0110.03212.45
5.4.300.0060.03512.45
5.4.290.0080.03712.45
5.4.280.0070.03612.34
5.4.270.0060.03912.34
5.4.260.0110.03612.35
5.4.250.0050.04112.35
5.4.240.0070.03612.35
5.4.230.0040.03912.34
5.4.220.0050.03612.34
5.4.210.0060.03412.34
5.4.200.0040.04012.34
5.4.190.0040.03712.33
5.4.180.0080.03412.33
5.4.170.0060.03512.34
5.4.160.0050.03712.34
5.4.150.0070.03712.34
5.4.140.0070.03612.02
5.4.130.0080.03312.01
5.4.120.0040.03611.97
5.4.110.0060.03811.96
5.4.100.0070.03811.96
5.4.90.0080.04011.97
5.4.80.0060.03511.96
5.4.70.0090.03011.96
5.4.60.0040.03511.96
5.4.50.0020.04411.96
5.4.40.0060.03411.95
5.4.30.0040.03811.95
5.4.20.0030.03711.95
5.4.10.0050.03411.95
5.4.00.0080.03311.43
5.3.290.0100.03912.80
5.3.280.0070.03712.71
5.3.270.0040.04412.72
5.3.260.0060.04112.72
5.3.250.0060.03512.72
5.3.240.0050.03712.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0090.03412.68
5.3.200.0050.04612.68
5.3.190.0040.03912.68
5.3.180.0040.03812.67
5.3.170.0110.03212.67
5.3.160.0060.03512.67
5.3.150.0090.03712.68
5.3.140.0120.04112.66
5.3.130.0050.04512.66
5.3.120.0100.03712.66
5.3.110.0080.03812.66
5.3.100.0030.04512.12
5.3.90.0080.03312.09
5.3.80.0090.03312.08
5.3.70.0050.03712.08
5.3.60.0060.03812.07
5.3.50.0080.03412.00
5.3.40.0080.03412.00
5.3.30.0060.03711.95
5.3.20.0080.03711.73
5.3.10.0050.03511.70
5.3.00.0080.03711.68
5.2.170.0060.0319.19
5.2.160.0030.0309.19
5.2.150.0040.0389.19
5.2.140.0030.0319.18
5.2.130.0030.0309.14
5.2.120.0060.0279.14
5.2.110.0040.0299.15
5.2.100.0050.0289.15
5.2.90.0030.0309.15
5.2.80.0060.0289.15
5.2.70.0040.0309.14
5.2.60.0060.0289.10
5.2.50.0070.0359.07
5.2.40.0050.0289.05
5.2.30.0050.0299.03
5.2.20.0040.0299.02
5.2.10.0040.0298.92
5.2.00.0050.0298.78
5.1.60.0060.0228.06
5.1.50.0040.0258.06
5.1.40.0020.0268.04
5.1.30.0050.0258.39
5.1.20.0040.0268.41
5.1.10.0040.0268.14
5.1.00.0070.0308.14
5.0.50.0040.0226.62
5.0.40.0040.0206.47
5.0.30.0050.0366.29
5.0.20.0020.0206.25
5.0.10.0040.0216.23
5.0.00.0030.0336.23
4.4.90.0060.0174.78
4.4.80.0000.0184.76
4.4.70.0020.0164.76
4.4.60.0050.0134.76
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0154.75
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0000.0274.75
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0010.0304.58
4.3.70.0030.0144.63
4.3.60.0050.0144.62
4.3.50.0060.0164.63
4.3.40.0040.0234.54
4.3.30.0010.0173.28
4.3.20.0010.0163.26
4.3.10.0010.0163.21
4.3.00.0000.02015.68

preferences:
40.12 ms | 401 KiB | 5 Q