3v4l.org

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

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)
8.3.60.0070.01118.16
8.3.50.0130.00622.95
8.3.40.0040.01118.82
8.3.30.0070.00719.04
8.3.20.0050.00220.06
8.3.10.0080.00023.48
8.3.00.0030.00619.38
8.2.180.0100.00716.63
8.2.170.0090.00922.96
8.2.160.0130.00320.32
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00821.14
8.2.110.0070.00319.38
8.2.100.0110.00017.84
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0050.00317.62
8.2.60.0070.00018.03
8.2.50.0090.00018.16
8.2.40.0050.00220.50
8.2.30.0040.00420.93
8.2.20.0020.00517.77
8.2.10.0040.00418.05
8.2.00.0040.00417.74
8.1.280.0140.00025.92
8.1.270.0110.00423.77
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00322.75
8.1.230.0000.01117.77
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0060.00317.41
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0030.00518.91
8.1.150.0070.00018.74
8.1.140.0070.00417.48
8.1.130.0070.00017.78
8.1.120.0000.00717.55
8.1.110.0080.00017.56
8.1.100.0040.00417.59
8.1.90.0000.00717.55
8.1.80.0040.00417.52
8.1.70.0000.00717.52
8.1.60.0060.00317.66
8.1.50.0030.00517.59
8.1.40.0040.00417.58
8.1.30.0030.00517.51
8.1.20.0000.00817.71
8.1.10.0050.00317.53
8.1.00.0030.00517.54
8.0.300.0040.00418.93
8.0.290.0000.00716.75
8.0.280.0000.00718.41
8.0.270.0030.00317.08
8.0.260.0040.00417.10
8.0.250.0070.00017.09
8.0.240.0040.00417.01
8.0.230.0000.00716.95
8.0.220.0060.00016.84
8.0.210.0000.00716.95
8.0.200.0030.00316.95
8.0.190.0040.00417.01
8.0.180.0000.00817.00
8.0.170.0040.00416.89
8.0.160.0000.00716.84
8.0.150.0070.00016.95
8.0.140.0020.00516.75
8.0.130.0000.00513.43
8.0.120.0040.00416.85
8.0.110.0000.00816.87
8.0.100.0000.00817.03
8.0.90.0030.00316.86
8.0.80.0160.00616.99
8.0.70.0040.00416.84
8.0.60.0050.00216.79
8.0.50.0000.00716.94
8.0.30.0100.01017.36
8.0.20.0080.01517.40
8.0.10.0030.00517.15
8.0.00.0110.00717.01
7.4.330.0000.00515.04
7.4.320.0030.00316.64
7.4.300.0000.00616.69
7.4.290.0030.00316.74
7.4.280.0040.00416.48
7.4.270.0030.00316.75
7.4.260.0030.00316.61
7.4.250.0050.00316.61
7.4.240.0070.00116.75
7.4.230.0030.00316.61
7.4.220.0090.00916.60
7.4.210.0060.00916.57
7.4.200.0000.00716.54
7.4.160.0080.00816.64
7.4.150.0280.01617.40
7.4.140.0130.01017.86
7.4.130.0080.00816.53
7.4.120.0150.00316.69
7.4.110.0100.01316.61
7.4.100.0130.00816.58
7.4.90.0100.00716.63
7.4.80.0030.01319.39
7.4.70.0090.00916.60
7.4.60.0060.00916.80
7.4.50.0030.00616.36
7.4.40.0080.00816.43
7.4.30.0080.00816.64
7.4.00.0070.01015.09
7.3.330.0000.00813.11
7.3.320.0020.00213.16
7.3.310.0000.00716.14
7.3.300.0000.00716.30
7.3.290.0070.00716.36
7.3.280.0110.00616.29
7.3.270.0070.01017.40
7.3.260.0150.00416.85
7.3.250.0130.00516.54
7.3.240.0060.01216.71
7.3.230.0110.00616.39
7.3.210.0170.00016.34
7.3.200.0100.00619.39
7.3.190.0090.00916.57
7.3.180.0090.00616.30
7.3.170.0170.00316.37
7.3.160.0040.01216.46
7.3.120.0030.00914.83
7.3.110.0060.01314.88
7.3.100.0130.00014.62
7.3.90.0060.00315.08
7.3.80.0080.00814.54
7.3.70.0080.00314.68
7.3.60.0060.00914.84
7.3.50.0060.00914.85
7.3.40.0000.01714.96
7.3.30.0000.01214.95
7.3.20.0030.00716.64
7.3.10.0130.00316.48
7.3.00.0090.00916.79
7.2.330.0150.00416.54
7.2.320.0040.01216.42
7.2.310.0140.00316.46
7.2.300.0090.01316.57
7.2.290.0060.01716.61
7.2.250.0060.01314.88
7.2.240.0000.02014.84
7.2.230.0000.01514.66
7.2.220.0140.00015.05
7.2.210.0140.00414.66
7.2.200.0060.00314.93
7.2.190.0060.00614.80
7.2.180.0140.00014.67
7.2.170.0030.00915.03
7.2.00.0030.01219.04
7.1.330.0040.01115.77
7.1.320.0030.01016.00
7.1.310.0060.00916.00
7.1.300.0100.00316.05
7.1.290.0070.00715.84
7.1.280.0030.00715.95
7.1.270.0070.00715.80
7.1.260.0090.00615.88
7.1.100.0050.00518.25
7.1.70.0100.00017.43
7.1.60.0170.00719.46
7.1.50.0090.00917.10
7.1.00.0030.07322.60
7.0.200.0040.00716.82
7.0.140.0030.07722.12
7.0.60.0070.08319.92
7.0.50.0100.04717.91
7.0.40.0130.06720.22
7.0.30.0300.07720.32
7.0.20.0170.04020.11
7.0.10.0070.09320.02
7.0.00.0170.07020.31
5.6.280.0030.07321.13
5.6.210.0070.04720.61
5.6.200.0100.08018.20
5.6.190.0000.04720.37
5.6.180.0500.07320.45
5.6.170.0230.07720.50
5.6.160.0070.07020.37
5.6.150.0130.04718.22
5.6.140.0030.06018.15
5.6.130.0100.04318.18
5.6.120.0170.07321.14
5.6.110.0130.06720.99
5.6.100.0130.06020.97
5.6.90.0070.08321.13
5.6.80.0030.04020.36
5.6.70.4470.04020.37
5.5.350.0130.04020.36
5.5.340.0030.05718.01
5.5.330.0030.04320.43
5.5.320.0370.05720.31
5.5.310.0230.05320.50
5.5.300.0030.08318.00
5.5.290.0070.08317.91
5.5.280.0130.08020.76
5.5.270.0100.06720.83
5.5.260.0030.04320.75
5.5.250.0100.05720.57
5.5.240.0170.06020.14
5.4.450.0470.05019.23
5.4.440.0300.04719.38
5.4.430.0230.04019.38
5.4.420.0200.03319.10
5.4.410.0470.04018.97
5.4.400.0200.03718.92
5.4.390.0600.04318.78
5.4.380.0370.04718.64
5.4.370.0300.05718.76
5.4.360.0530.07018.71
5.4.350.0370.04718.46
5.4.340.0300.05018.49
5.4.320.0120.03212.45
5.4.310.0080.04212.45
5.4.300.0080.03612.46
5.4.290.0080.03612.45
5.4.280.0050.03612.35
5.4.270.0060.03712.34
5.4.260.0080.03812.34
5.4.250.0060.03912.34
5.4.240.0060.04012.35
5.4.230.0090.04412.34
5.4.220.0080.03812.34
5.4.210.0090.04112.34
5.4.200.0050.03812.34
5.4.190.0030.03912.33
5.4.180.0090.03312.33
5.4.170.0080.03512.35
5.4.160.0060.03612.34
5.4.150.0040.03812.34
5.4.140.0030.04312.02
5.4.130.0040.03712.01
5.4.120.0050.03511.97
5.4.110.0090.03611.96
5.4.100.0040.04111.96
5.4.90.0070.03511.96
5.4.80.0040.04411.96
5.4.70.0050.03811.96
5.4.60.0060.03411.96
5.4.50.0070.04111.96
5.4.40.0050.03811.95
5.4.30.0070.03911.95
5.4.20.0070.03311.95
5.4.10.0050.04211.95
5.4.00.0030.03911.43
5.3.290.0070.03812.80
5.3.280.0030.04112.71
5.3.270.0040.04112.73
5.3.260.0040.04212.72
5.3.250.0050.03812.72
5.3.240.0070.03612.72
5.3.230.0060.03812.71
5.3.220.0070.03612.68
5.3.210.0090.03812.68
5.3.200.0040.03912.68
5.3.190.0060.03712.68
5.3.180.0050.03712.68
5.3.170.0080.03412.67
5.3.160.0070.03512.67
5.3.150.0060.03612.67
5.3.140.0060.03612.66
5.3.130.0090.03412.66
5.3.120.0050.03912.66
5.3.110.0080.04512.66
5.3.100.0060.03712.11
5.3.90.0060.03512.08
5.3.80.0070.03412.08
5.3.70.0060.03612.07
5.3.60.0100.04012.06
5.3.50.0090.04712.01
5.3.40.0090.04412.00
5.3.30.0080.03311.95
5.3.20.0060.03511.73
5.3.10.0060.03411.70
5.3.00.0080.03311.69
5.2.170.0040.0339.19
5.2.160.0030.0319.19
5.2.150.0040.0329.19
5.2.140.0050.0299.18
5.2.130.0060.0279.15
5.2.120.0060.0269.14
5.2.110.0050.0289.15
5.2.100.0050.0289.15
5.2.90.0030.0309.15
5.2.80.0040.0309.14
5.2.70.0030.0329.14
5.2.60.0040.0309.10
5.2.50.0040.0319.07
5.2.40.0070.0289.05
5.2.30.0030.0319.03
5.2.20.0050.0289.01
5.2.10.0040.0298.91
5.2.00.0030.0298.78
5.1.60.0060.0238.06
5.1.50.0050.0238.06
5.1.40.0040.0258.04
5.1.30.0010.0298.39
5.1.20.0050.0258.41
5.1.10.0060.0248.13
5.1.00.0040.0258.14
5.0.50.0030.0206.61
5.0.40.0050.0206.47
5.0.30.0030.0336.29
5.0.20.0050.0186.26
5.0.10.0020.0246.23
5.0.00.0020.0316.23
4.4.90.0040.0214.78
4.4.80.0020.0154.76
4.4.70.0010.0174.75
4.4.60.0050.0194.76
4.4.50.0040.0184.77
4.4.40.0030.0274.71
4.4.30.0000.0234.75
4.4.20.0040.0184.84
4.4.10.0050.0164.85
4.4.00.0050.0324.76
4.3.110.0040.0214.67
4.3.100.0040.0184.66
4.3.90.0020.0164.63
4.3.80.0050.0344.58
4.3.70.0050.0144.63
4.3.60.0050.0194.63
4.3.50.0040.0214.63
4.3.40.0020.0274.54
4.3.30.0040.0143.28
4.3.20.0020.0163.25
4.3.10.0010.0163.22
4.3.00.0170.01715.68

preferences:
60.57 ms | 401 KiB | 5 Q