3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a,b\,c,d'; var_dump(preg_split('/(?<!\x5c)(?:\x5c.)*\K,/s', $str));

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)
8.3.60.0100.00718.43
8.3.50.0120.00922.84
8.3.40.0110.01118.82
8.3.30.0070.00719.04
8.3.20.0070.00020.13
8.3.10.0080.00023.65
8.3.00.0080.00019.22
8.2.180.0180.00418.66
8.2.170.0130.00318.83
8.2.160.0030.01022.96
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0080.00021.10
8.2.110.0030.00621.25
8.2.100.0060.00617.78
8.2.90.0000.00817.75
8.2.80.0050.00317.97
8.2.70.0050.00318.04
8.2.60.0000.00718.03
8.2.50.0000.00818.10
8.2.40.0050.00219.35
8.2.30.0040.00418.13
8.2.20.0040.00417.68
8.2.10.0000.00718.08
8.2.00.0080.00017.88
8.1.280.0110.01125.92
8.1.270.0000.01923.96
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0040.00820.31
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0030.00517.35
8.1.180.0060.00318.10
8.1.170.0000.00818.56
8.1.160.0000.00721.98
8.1.150.0040.00418.80
8.1.140.0040.00417.45
8.1.130.0000.00717.88
8.1.120.0030.00317.38
8.1.110.0000.00817.54
8.1.100.0070.00017.57
8.1.90.0000.00817.51
8.1.80.0040.00417.49
8.1.70.0070.00017.48
8.1.60.0000.00817.57
8.1.50.0050.00317.59
8.1.40.0040.00417.63
8.1.30.0000.00817.67
8.1.20.0080.00017.71
8.1.10.0000.00817.61
8.1.00.0040.00417.52
8.0.300.0040.00419.76
8.0.290.0040.00416.88
8.0.280.0000.00718.31
8.0.270.0040.00417.22
8.0.260.0070.00017.20
8.0.250.0040.00416.96
8.0.240.0000.00717.04
8.0.230.0000.00717.03
8.0.220.0000.00716.86
8.0.210.0030.00516.99
8.0.200.0060.00017.00
8.0.190.0060.00316.91
8.0.180.0080.00016.89
8.0.170.0070.00017.06
8.0.160.0000.00816.92
8.0.150.0000.00816.91
8.0.140.0040.00416.89
8.0.130.0030.00313.39
8.0.120.0000.00817.00
8.0.110.0000.00816.99
8.0.100.0040.00416.97
8.0.90.0000.00716.86
8.0.80.0040.01116.94
8.0.70.0040.00417.03
8.0.60.0070.00016.78
8.0.50.0020.00516.77
8.0.30.0150.00817.13
8.0.20.0150.00717.45
8.0.10.0080.00017.07
8.0.00.0110.00717.02
7.4.330.0030.00315.03
7.4.320.0030.00316.72
7.4.300.0060.00016.81
7.4.290.0030.00316.77
7.4.280.0080.00016.70
7.4.270.0030.00316.75
7.4.260.0040.00416.61
7.4.250.0000.00716.49
7.4.240.0030.00516.72
7.4.230.0040.00416.79
7.4.220.0160.00616.72
7.4.210.0070.00716.61
7.4.200.0040.00416.77
7.4.160.0120.00616.68
7.4.150.0100.01017.40
7.4.140.0070.01417.86
7.4.130.0070.01016.51
7.4.120.0080.00916.55
7.4.110.0100.00716.66
7.4.100.0190.00016.53
7.4.90.0070.01016.67
7.4.80.0120.00619.39
7.4.70.0060.01116.56
7.4.60.0100.01016.54
7.4.50.0040.00416.37
7.4.40.0060.01216.43
7.4.30.0140.00316.67
7.4.00.0040.01414.96
7.3.330.0000.00713.12
7.3.320.0020.00213.01
7.3.310.0030.00316.35
7.3.300.0000.00716.31
7.3.290.0060.00916.34
7.3.280.0070.00916.29
7.3.270.0130.00317.40
7.3.260.0030.01416.68
7.3.250.0110.00816.35
7.3.240.0100.01316.30
7.3.230.0120.00916.42
7.3.210.0100.00616.25
7.3.200.0040.01319.39
7.3.190.0120.00916.58
7.3.180.0120.00616.47
7.3.170.0070.01016.48
7.3.160.0060.00916.51
7.2.330.0100.01316.60
7.2.320.0130.00416.63
7.2.310.0100.00616.64
7.2.300.0080.00816.77
7.2.290.0170.00316.55
7.2.60.0000.01416.81
7.2.00.0030.01319.35
7.1.200.0030.00615.87
7.1.100.0040.01118.47
7.1.70.0130.00917.32
7.1.60.0070.01419.46
7.1.50.0030.01717.06
7.1.00.0000.08022.55
7.0.200.0040.00416.50
7.0.140.0130.06322.15
7.0.60.0130.07719.91
7.0.50.0130.08317.90
7.0.40.0070.07020.05
7.0.30.0670.06020.04
7.0.20.0230.07720.14
7.0.10.0100.08320.01
7.0.00.0170.05720.24
5.6.280.0070.06720.81
5.6.210.0070.03720.69
5.6.200.0170.07318.11
5.6.190.0170.08720.34
5.6.180.0030.04020.41
5.6.170.0300.07720.71
5.6.160.0070.08720.50
5.6.150.0070.04018.18
5.6.140.0070.03718.18
5.6.130.0070.08018.22
5.6.120.0170.07321.09
5.6.110.0030.08720.98
5.6.100.0130.06320.98
5.6.90.0030.04020.95
5.6.80.0000.04720.37
5.6.70.3500.03320.40
5.5.350.0070.08720.36
5.5.340.0000.04317.99
5.5.330.0070.06320.29
5.5.320.0230.04020.25
5.5.310.0270.07720.28
5.5.300.0030.05017.90
5.5.290.0030.08317.98
5.5.280.0030.04320.76
5.5.270.0000.04720.79
5.5.260.0100.08320.79
5.5.250.0070.06020.79
5.5.240.0200.07720.36
5.4.450.0430.04019.59
5.4.440.0400.05019.54
5.4.430.0370.03719.57
5.4.420.0300.04319.41
5.4.410.0130.05019.25
5.4.400.0330.03719.27
5.4.390.0570.04719.09
5.4.380.0400.05718.68
5.4.370.0330.05018.63
5.4.360.0430.05718.56
5.4.350.0500.05018.71
5.4.340.0370.05718.62
5.4.320.0060.03612.45
5.4.310.0120.03212.45
5.4.300.0030.03812.45
5.4.290.0090.03412.45
5.4.280.0090.03212.35
5.4.270.0070.03512.34
5.4.260.0050.03712.34
5.4.250.0060.03612.35
5.4.240.0050.03612.35
5.4.230.0050.03812.34
5.4.220.0120.02912.34
5.4.210.0080.03212.34
5.4.200.0040.03812.34
5.4.190.0050.03612.33
5.4.180.0080.03412.34
5.4.170.0100.03212.34
5.4.160.0060.03512.34
5.4.150.0090.03212.34
5.4.140.0080.03512.02
5.4.130.0060.03412.01
5.4.120.0060.03411.96
5.4.110.0070.03411.96
5.4.100.0050.03511.96
5.4.90.0060.03611.96
5.4.80.0040.03811.96
5.4.70.0070.03211.96
5.4.60.0040.03611.96
5.4.50.0110.03011.96
5.4.40.0030.03711.95
5.4.30.0050.03611.95
5.4.20.0110.02911.95
5.4.10.0070.03311.95
5.4.00.0060.03511.43
5.3.290.0050.03912.80
5.3.280.0100.03512.71
5.3.270.0020.04312.72
5.3.260.0080.03712.71
5.3.250.0050.03812.72
5.3.240.0080.03412.72
5.3.230.0070.03512.70
5.3.220.0070.03612.68
5.3.210.0050.03912.68
5.3.200.0040.03712.68
5.3.190.0090.03412.68
5.3.180.0080.03412.67
5.3.170.0040.04012.67
5.3.160.0080.03412.67
5.3.150.0080.03412.67
5.3.140.0060.03812.66
5.3.130.0040.04012.66
5.3.120.0100.03912.66
5.3.110.0070.03712.65
5.3.100.0070.03712.12
5.3.90.0070.03512.08
5.3.80.0070.03812.08
5.3.70.0040.03712.08
5.3.60.0060.04412.06
5.3.50.0090.03312.00
5.3.40.0050.04112.00
5.3.30.0060.03411.95
5.3.20.0080.03511.73
5.3.10.0050.03511.70
5.3.00.0060.03511.68
5.2.170.0050.0339.19
5.2.160.0060.0319.19
5.2.150.0040.0309.19
5.2.140.0030.0329.19
5.2.130.0040.0299.14
5.2.120.0030.0299.15
5.2.110.0070.0269.16
5.2.100.0040.0309.14
5.2.90.0070.0259.14
5.2.80.0050.0319.14
5.2.70.0050.0299.14
5.2.60.0040.0369.09
5.2.50.0060.0309.06
5.2.40.0100.0309.04
5.2.30.0050.0299.02
5.2.20.0030.0309.01
5.2.10.0070.0278.93
5.2.00.0070.0288.79
5.1.60.0050.0228.07
5.1.50.0030.0268.07
5.1.40.0030.0308.05
5.1.30.0050.0248.40
5.1.20.0060.0248.42
5.1.10.0030.0308.14
5.1.00.0040.0258.14
5.0.50.0030.0206.62
5.0.40.0020.0206.48
5.0.30.0040.0346.30
5.0.20.0050.0196.27
5.0.10.0030.0206.24
5.0.00.0050.0296.23
4.4.90.0010.0184.78
4.4.80.0020.0164.75
4.4.70.0010.0174.75
4.4.60.0020.0164.75
4.4.50.0020.0244.77
4.4.40.0040.0234.71
4.4.30.0030.0154.76
4.4.20.0030.0184.84
4.4.10.0010.0174.85
4.4.00.0020.0304.76
4.3.110.0030.0254.67
4.3.100.0050.0134.67
4.3.90.0010.0154.64
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0040.0134.63
4.3.50.0040.0154.62
4.3.40.0070.0204.53
4.3.30.0030.0183.29
4.3.20.0010.0173.27
4.3.10.0020.0163.23
4.3.00.0100.02015.68

preferences:
44.67 ms | 401 KiB | 5 Q