3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a\\\\,b,c\\,d'; var_dump(preg_split('/(?<![^\x5c][\x5c]),/', $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)
8.3.60.0100.00716.63
8.3.50.0130.00522.94
8.3.40.0150.00018.78
8.3.30.0070.00719.00
8.3.20.0040.00420.34
8.3.10.0060.00323.48
8.3.00.0060.00319.25
8.2.180.0080.01116.36
8.2.170.0140.00722.96
8.2.160.0090.00620.41
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0070.00020.82
8.2.110.0060.00320.44
8.2.100.0080.00417.99
8.2.90.0000.00719.13
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0070.00317.80
8.2.50.0000.00818.07
8.2.40.0080.00018.09
8.2.30.0030.00617.89
8.2.20.0000.00817.68
8.2.10.0030.00518.00
8.2.00.0030.00517.64
8.1.280.0070.01325.92
8.1.270.0040.00424.05
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.20
8.1.230.0080.00419.15
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0130.00017.25
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0000.00722.02
8.1.150.0050.00318.85
8.1.140.0110.00017.54
8.1.130.0000.00817.70
8.1.120.0000.00717.44
8.1.110.0050.00317.44
8.1.100.0040.00417.43
8.1.90.0040.00417.58
8.1.80.0070.00017.58
8.1.70.0080.00017.44
8.1.60.0060.00317.59
8.1.50.0050.00317.47
8.1.40.0060.00317.59
8.1.30.0060.00317.56
8.1.20.0040.00417.75
8.1.10.0040.00417.60
8.1.00.0030.00517.42
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0060.00018.41
8.0.270.0000.00717.21
8.0.260.0060.00018.27
8.0.250.0000.00716.93
8.0.240.0000.00816.93
8.0.230.0000.00716.92
8.0.220.0070.00016.86
8.0.210.0070.00016.96
8.0.200.0000.00717.03
8.0.190.0030.00717.02
8.0.180.0030.00316.92
8.0.170.0080.00016.99
8.0.160.0000.00816.90
8.0.150.0040.00416.91
8.0.140.0040.00416.83
8.0.130.0050.00013.38
8.0.120.0080.00016.96
8.0.110.0040.00416.94
8.0.100.0070.00017.01
8.0.90.0000.00817.09
8.0.80.0030.01216.89
8.0.70.0000.00716.91
8.0.60.0050.00316.94
8.0.50.0050.00216.84
8.0.30.0110.00817.10
8.0.20.0080.01217.40
8.0.10.0000.00816.98
8.0.00.0110.00616.93
7.4.330.0000.00515.05
7.4.320.0000.00616.66
7.4.300.0030.00316.66
7.4.290.0040.00416.67
7.4.280.0040.00416.65
7.4.270.0070.00016.68
7.4.260.0070.00016.55
7.4.250.0050.00316.69
7.4.240.0020.00616.74
7.4.230.0030.00316.45
7.4.220.0060.01216.75
7.4.210.0130.00716.57
7.4.200.0040.00416.83
7.4.160.0090.00616.65
7.4.150.0120.00617.40
7.4.140.0090.00817.86
7.4.130.0110.00816.55
7.4.120.0110.00616.53
7.4.110.0090.00916.57
7.4.100.0090.00916.74
7.4.90.0080.00816.52
7.4.80.0140.00719.39
7.4.70.0000.01716.56
7.4.60.0070.01016.79
7.4.50.0040.00416.60
7.4.40.0030.01316.63
7.4.30.0130.00316.63
7.4.00.0120.00314.87
7.3.330.0000.00613.12
7.3.320.0000.00613.21
7.3.310.0030.00316.29
7.3.300.0070.00016.31
7.3.290.0070.00716.27
7.3.280.0060.01016.32
7.3.270.0180.00017.40
7.3.260.0060.01316.39
7.3.250.0080.01316.37
7.3.240.0100.01316.32
7.3.230.0120.00616.39
7.3.210.0100.01016.30
7.3.200.0110.01119.39
7.3.190.0100.00716.35
7.3.180.0060.01016.55
7.3.170.0040.01416.70
7.3.160.0040.01616.37
7.2.330.0150.00916.54
7.2.320.0120.00616.62
7.2.310.0080.00916.59
7.2.300.0090.00816.54
7.2.290.0060.01116.61
7.2.60.0040.00416.92
7.2.00.0000.01119.27
7.1.200.0110.00415.75
7.1.100.0070.00718.31
7.1.70.0060.00317.00
7.1.60.0100.00619.46
7.1.50.0090.01316.78
7.1.00.0100.07022.59
7.0.200.0070.00316.50
7.0.140.0100.07022.09
7.0.60.0170.05019.91
7.0.50.0030.04017.89
7.0.40.0100.08320.04
7.0.30.0300.04320.14
7.0.20.0300.07020.18
7.0.10.0030.05320.02
7.0.00.0200.07720.34
5.6.280.0030.07320.79
5.6.210.0100.06720.46
5.6.200.0070.08318.21
5.6.190.0130.08720.41
5.6.180.0000.08720.43
5.6.170.0430.06020.37
5.6.160.0030.05720.38
5.6.150.0130.07718.18
5.6.140.0030.04018.08
5.6.130.0100.08018.11
5.6.120.0070.03720.99
5.6.110.0030.09321.09
5.6.100.0300.06020.84
5.6.90.0000.08320.96
5.6.80.0100.07320.39
5.6.70.3730.03020.36
5.5.350.0170.07720.42
5.5.340.0000.05017.97
5.5.330.0100.06320.21
5.5.320.0300.04320.34
5.5.310.0170.04720.17
5.5.300.0070.06317.91
5.5.290.0030.08318.01
5.5.280.0070.05720.86
5.5.270.0130.04720.96
5.5.260.0200.08720.95
5.5.250.0100.08320.61
5.5.240.0170.06020.17
5.4.450.0330.05319.25
5.4.440.0300.05719.21
5.4.430.0270.04319.25
5.4.420.0700.03719.57
5.4.410.0230.03019.00
5.4.400.0230.03719.15
5.4.390.0400.04018.88
5.4.380.0400.05318.61
5.4.370.0300.05318.71
5.4.360.0430.08318.46
5.4.350.0530.05018.52
5.4.340.0300.06018.71
5.4.320.0050.03712.45
5.4.310.0030.04112.45
5.4.300.0090.03312.45
5.4.290.0090.03512.45
5.4.280.0080.03412.34
5.4.270.0090.03412.35
5.4.260.0080.03912.35
5.4.250.0110.03712.35
5.4.240.0080.03512.34
5.4.230.0080.03612.34
5.4.220.0060.03612.34
5.4.210.0060.03512.34
5.4.200.0070.03612.34
5.4.190.0070.03512.34
5.4.180.0080.04312.33
5.4.170.0030.04312.35
5.4.160.0100.03212.34
5.4.150.0060.03712.34
5.4.140.0100.03512.02
5.4.130.0050.03612.01
5.4.120.0070.03411.97
5.4.110.0060.03411.96
5.4.100.0040.03711.96
5.4.90.0080.03511.97
5.4.80.0070.03511.96
5.4.70.0030.03711.96
5.4.60.0110.04011.96
5.4.50.0090.03111.96
5.4.40.0020.03811.95
5.4.30.0070.03411.95
5.4.20.0060.03511.95
5.4.10.0110.03511.95
5.4.00.0130.03011.44
5.3.290.0090.03912.80
5.3.280.0070.03912.70
5.3.270.0070.03912.72
5.3.260.0070.04112.72
5.3.250.0100.04212.72
5.3.240.0050.04312.72
5.3.230.0100.03812.71
5.3.220.0040.03912.68
5.3.210.0090.03712.68
5.3.200.0070.03612.68
5.3.190.0080.03612.68
5.3.180.0050.03712.67
5.3.170.0070.03712.67
5.3.160.0050.04012.68
5.3.150.0060.03612.68
5.3.140.0030.03912.66
5.3.130.0050.04012.66
5.3.120.0050.04312.65
5.3.110.0060.03912.66
5.3.100.0020.04012.12
5.3.90.0070.03512.08
5.3.80.0070.03612.07
5.3.70.0070.03612.08
5.3.60.0040.04012.07
5.3.50.0050.03712.00
5.3.40.0070.03512.00
5.3.30.0080.03911.95
5.3.20.0080.03311.73
5.3.10.0040.03611.70
5.3.00.0130.02911.68
5.2.170.0050.0309.19
5.2.160.0030.0319.19
5.2.150.0070.0289.18
5.2.140.0050.0299.18
5.2.130.0070.0299.14
5.2.120.0080.0309.14
5.2.110.0050.0319.16
5.2.100.0040.0299.15
5.2.90.0090.0259.14
5.2.80.0050.0309.14
5.2.70.0030.0329.14
5.2.60.0060.0289.09
5.2.50.0060.0289.07
5.2.40.0040.0299.04
5.2.30.0050.0309.02
5.2.20.0030.0309.01
5.2.10.0020.0318.91
5.2.00.0070.0298.77
5.1.60.0040.0248.06
5.1.50.0040.0248.06
5.1.40.0030.0318.04
5.1.30.0020.0298.39
5.1.20.0040.0318.41
5.1.10.0090.0218.13
5.1.00.0030.0268.13
5.0.50.0050.0196.61
5.0.40.0050.0286.47
5.0.30.0040.0316.29
5.0.20.0030.0256.25
5.0.10.0040.0206.23
5.0.00.0060.0296.23
4.4.90.0010.0174.78
4.4.80.0040.0144.76
4.4.70.0040.0154.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0040.0184.76
4.4.20.0050.0134.85
4.4.10.0040.0144.85
4.4.00.0030.0264.76
4.3.110.0010.0194.66
4.3.100.0030.0144.66
4.3.90.0030.0164.63
4.3.80.0040.0294.59
4.3.70.0010.0164.63
4.3.60.0060.0144.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0020.0183.27
4.3.20.0010.0173.26
4.3.10.0020.0163.21
4.3.00.0070.01315.68

preferences:
39.8 ms | 401 KiB | 5 Q