3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a\\\\,b,c\\,d'; var_dump(preg_split('/(?<!(?<!\\\\)\\\\),/', $str)); var_dump(preg_split('/(?<![^\\\\])(?<!\\\\),/', $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)
8.3.60.0070.00716.75
8.3.50.0100.01023.02
8.3.40.0070.01418.76
8.3.30.0150.00319.04
8.3.20.0080.00020.30
8.3.10.0040.00423.48
8.3.00.0040.00419.38
8.2.180.0100.01318.30
8.2.170.0180.00322.96
8.2.160.0140.00020.35
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0000.00721.13
8.2.110.0070.00322.29
8.2.100.0070.00417.97
8.2.90.0030.00517.75
8.2.80.0080.00017.97
8.2.70.0000.00817.80
8.2.60.0040.00717.55
8.2.50.0040.00418.10
8.2.40.0060.00320.44
8.2.30.0040.00418.09
8.2.20.0040.00417.75
8.2.10.0040.00417.88
8.2.00.0040.00417.81
8.1.280.0130.01025.92
8.1.270.0040.00423.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0100.00019.16
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0050.00517.35
8.1.190.0030.00617.13
8.1.180.0000.00818.10
8.1.170.0060.00318.51
8.1.160.0040.00421.96
8.1.150.0040.00418.75
8.1.140.0090.00017.50
8.1.130.0030.00317.84
8.1.120.0040.00417.52
8.1.110.0030.00517.50
8.1.100.0000.00717.47
8.1.90.0000.00817.61
8.1.80.0000.00717.53
8.1.70.0040.00417.53
8.1.60.0040.00417.70
8.1.50.0080.00017.63
8.1.40.0000.00817.51
8.1.30.0040.00417.70
8.1.20.0050.00317.74
8.1.10.0000.00717.53
8.1.00.0000.00717.53
8.0.300.0060.00319.73
8.0.290.0060.00316.88
8.0.280.0030.00318.45
8.0.270.0000.00817.23
8.0.260.0030.00317.16
8.0.250.0030.00316.97
8.0.240.0040.00416.92
8.0.230.0000.00717.01
8.0.220.0030.00316.83
8.0.210.0030.00416.87
8.0.200.0060.00016.98
8.0.190.0080.00017.08
8.0.180.0000.00716.88
8.0.170.0000.00816.97
8.0.160.0080.00017.08
8.0.150.0040.00416.96
8.0.140.0000.00716.85
8.0.130.0030.00313.41
8.0.120.0050.00316.91
8.0.110.0040.00417.03
8.0.100.0000.00717.05
8.0.90.0040.00417.05
8.0.80.0090.00616.97
8.0.70.0000.00717.03
8.0.60.0000.00716.98
8.0.50.0060.00316.86
8.0.30.0080.01217.07
8.0.20.0170.01017.40
8.0.10.0020.00517.10
8.0.00.0070.01317.01
7.4.330.0020.00215.00
7.4.320.0000.00616.66
7.4.300.0060.00016.79
7.4.290.0070.00016.63
7.4.280.0030.00516.72
7.4.270.0040.00416.67
7.4.260.0030.00316.71
7.4.250.0030.00616.65
7.4.240.0080.00016.68
7.4.230.0030.00316.62
7.4.220.0000.01816.71
7.4.210.0000.01416.64
7.4.200.0000.00716.55
7.4.160.0120.00416.43
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0090.00816.67
7.4.120.0100.00616.57
7.4.110.0130.00916.54
7.4.100.0080.01116.51
7.4.90.0110.00716.52
7.4.80.0120.00619.39
7.4.70.0060.01116.43
7.4.60.0160.00016.57
7.4.50.0050.00316.39
7.4.40.0100.00716.48
7.4.30.0120.00416.66
7.4.10.0140.00315.09
7.4.00.0050.01215.17
7.3.330.0030.00313.01
7.3.320.0000.00513.01
7.3.310.0000.00616.33
7.3.300.0030.00316.34
7.3.290.0070.00716.28
7.3.280.0090.00716.31
7.3.270.0130.01017.40
7.3.260.0090.00916.32
7.3.250.0110.01016.63
7.3.240.0090.00916.30
7.3.230.0080.00816.67
7.3.210.0120.00416.54
7.3.200.0060.01019.39
7.3.190.0150.00616.48
7.3.180.0090.00616.36
7.3.170.0000.01916.31
7.3.160.0120.00416.69
7.3.130.0120.00314.82
7.3.120.0140.00414.97
7.3.110.0070.01415.04
7.3.100.0040.00915.07
7.3.90.0110.00714.51
7.3.80.0030.01414.97
7.3.70.0070.00714.90
7.3.60.0070.00615.02
7.3.50.0060.00614.55
7.3.40.0000.01014.68
7.3.30.0090.00614.88
7.3.20.0070.00716.62
7.3.10.0090.00616.47
7.3.00.0090.00316.67
7.2.330.0160.00716.71
7.2.320.0110.00816.68
7.2.310.0080.00816.61
7.2.300.0120.00816.75
7.2.290.0030.01316.51
7.2.260.0130.00614.98
7.2.250.0090.00915.04
7.2.240.0040.01115.14
7.2.230.0040.01415.27
7.2.220.0070.01115.11
7.2.210.0070.00415.04
7.2.200.0060.00314.65
7.2.190.0000.01615.12
7.2.180.0060.01014.99
7.2.170.0110.00415.12
7.2.160.0000.01015.18
7.2.150.0060.00917.04
7.2.140.0000.01016.85
7.2.130.0000.01316.95
7.2.120.0060.00616.90
7.2.110.0090.00616.86
7.2.100.0060.00917.09
7.2.90.0100.00717.08
7.2.80.0090.00316.98
7.2.70.0110.00016.71
7.2.60.0070.01016.96
7.2.50.0030.01317.02
7.2.40.0100.00716.98
7.2.30.0030.01017.11
7.2.20.0070.01016.85
7.2.10.0000.01517.09
7.2.00.0140.00418.22
7.1.330.0090.00916.00
7.1.320.0080.00816.10
7.1.310.0100.00315.57
7.1.300.0080.00415.96
7.1.290.0060.00315.89
7.1.280.0000.01416.05
7.1.270.0060.00615.98
7.1.260.0000.00915.79
7.1.250.0030.00615.88
7.1.240.0000.01515.97
7.1.230.0060.00915.98
7.1.220.0030.00615.95
7.1.210.0000.01215.69
7.1.200.0050.00515.79
7.1.190.0030.01015.64
7.1.180.0030.01415.88
7.1.170.0030.01215.86
7.1.160.0100.00315.84
7.1.150.0060.00616.09
7.1.140.0030.00915.77
7.1.130.0000.01316.05
7.1.120.0100.00315.73
7.1.110.0000.00915.93
7.1.100.0070.00717.17
7.1.90.0000.01115.86
7.1.80.0100.00315.93
7.1.70.0060.00616.69
7.1.60.0070.01017.64
7.1.50.0100.01225.29
7.1.40.0040.01115.81
7.1.30.0030.01515.93
7.1.20.0030.01415.86
7.1.10.0070.00315.89
7.1.00.0110.03819.13
7.0.330.0070.00715.63
7.0.320.0060.00315.56
7.0.310.0030.01015.52
7.0.300.0040.01115.28
7.0.290.0000.01315.43
7.0.280.0040.01215.73
7.0.270.0100.00315.39
7.0.260.0080.00815.37
7.0.250.0000.01315.58
7.0.240.0110.00015.70
7.0.230.0000.00915.61
7.0.220.0070.01015.32
7.0.210.0040.00815.49
7.0.200.0000.01116.20
7.0.190.0040.00715.60
7.0.180.0000.01515.63
7.0.170.0110.00015.57
7.0.160.0000.00915.57
7.0.150.0060.00315.66
7.0.140.0030.04218.74
7.0.130.0040.00815.55
7.0.120.0070.00715.42
7.0.110.0060.01015.50
7.0.100.0130.00315.60
7.0.90.0040.00815.68
7.0.80.0000.01115.63
7.0.70.0070.00715.46
7.0.60.0070.03217.70
7.0.50.0080.02316.69
7.0.40.0100.04416.98
7.0.30.0050.04416.71
7.0.20.0120.04316.76
7.0.10.0120.04316.86
7.0.00.0100.04016.75
5.6.400.0030.00814.04
5.6.390.0040.00414.11
5.6.380.0070.00714.36
5.6.370.0070.00714.55
5.6.360.0070.00714.05
5.6.350.0030.00614.34
5.6.340.0040.01214.22
5.6.330.0090.00614.37
5.6.320.0060.00614.30
5.6.310.0000.01214.46
5.6.300.0040.00814.13
5.6.290.0110.00313.98
5.6.280.0020.04317.89
5.6.270.0060.00614.40
5.6.260.0120.00314.38
5.6.250.0120.00414.12
5.6.240.0070.00714.13
5.6.230.0030.01214.52
5.6.220.0040.01114.20
5.6.210.0000.02817.37
5.6.200.0000.04716.06
5.6.190.0080.04117.49
5.6.180.0170.03517.48
5.6.170.0170.02417.36
5.6.160.0080.04417.34
5.6.150.0100.02816.26
5.6.140.0110.04216.13
5.6.130.0120.03816.15
5.6.120.0100.04317.49
5.6.110.0090.04017.55
5.6.100.0050.04317.75
5.6.90.0040.02417.43
5.6.80.0070.04217.32
5.6.70.0030.00714.23
5.6.60.0030.01114.09
5.6.50.0050.00814.20
5.6.40.0030.00814.01
5.6.30.0030.01014.29
5.6.20.0110.00414.18
5.6.10.0040.01214.24
5.6.00.0040.01214.18
5.5.380.0060.00613.86
5.5.370.0000.01114.20
5.5.360.0090.00014.27
5.5.350.0170.02817.39
5.5.340.0090.03315.97
5.5.330.0030.04717.23
5.5.320.0070.03217.22
5.5.310.0170.04417.35
5.5.300.0050.02316.21
5.5.290.0100.04215.96
5.5.280.0050.03017.53
5.5.270.0050.02117.41
5.5.260.0070.04417.36
5.5.250.0030.02317.39
5.5.240.0100.04017.03
5.5.230.0080.00414.19
5.5.220.0090.00314.21
5.5.210.0070.00314.04
5.5.200.0070.00714.25
5.5.190.0100.00313.97
5.5.180.0110.00014.29
5.5.170.0060.00913.91
5.5.160.0000.01514.24
5.5.150.0090.00614.35
5.5.140.0040.00714.14
5.5.130.0070.00714.14
5.5.120.0000.01313.88
5.5.110.0100.00614.09
5.5.100.0090.00014.21
5.5.90.0060.00614.14
5.5.80.0080.00414.06
5.5.70.0030.00614.43
5.5.60.0120.00013.77
5.5.50.0070.00714.14
5.5.40.0030.01414.16
5.5.30.0030.00613.98
5.5.20.0120.00314.32
5.5.10.0070.01114.28
5.5.00.0070.01014.11
5.4.450.1730.02215.28
5.4.440.1750.02015.25
5.4.430.1820.01814.95
5.4.420.1770.02515.33
5.4.410.1750.02714.98
5.4.400.1750.02314.93
5.4.390.1750.01914.97
5.4.380.1780.01815.00
5.4.370.1600.02114.91
5.4.360.1630.01715.04
5.4.350.1770.02015.04
5.4.340.1770.02514.87
5.4.330.0030.01010.77
5.4.320.1490.02315.07
5.4.310.1620.02214.99
5.4.300.1710.02014.90
5.4.290.1400.02614.99
5.4.280.0020.02314.81
5.4.270.0080.02214.86
5.4.260.0070.03515.02
5.4.250.0850.03715.00
5.4.240.1500.02314.95
5.4.230.1550.01814.92
5.4.220.1500.02415.04
5.4.210.1680.01515.01
5.4.200.1520.02414.93
5.4.190.1720.01715.06
5.4.180.1710.02014.83
5.4.170.1550.02214.93
5.4.160.1540.01714.95
5.4.150.1350.02214.93
5.4.140.1570.02313.67
5.4.130.1630.02113.51
5.4.120.1620.01813.62
5.4.110.1500.01813.58
5.4.100.1450.02413.66
5.4.90.1480.01913.45
5.4.80.1530.02013.53
5.4.70.1470.01813.71
5.4.60.1850.02513.60
5.4.50.1200.02213.66
5.4.40.1270.01713.57
5.4.30.1580.02013.75
5.4.20.1520.01813.58
5.4.10.1580.02213.71
5.4.00.1710.02213.26
5.3.290.3070.03014.49
5.3.280.3130.03714.54
5.3.270.3330.04314.62
5.3.260.3430.04314.59
5.3.250.3330.04014.46
5.3.240.3270.04314.45
5.3.230.3400.03714.54
5.3.220.3370.04014.48
5.3.210.3770.04014.40
5.3.200.3430.03714.52
5.3.190.3400.03014.51
5.3.180.3030.04714.46
5.3.170.3100.03714.46
5.3.160.3600.04714.54
5.3.150.3470.03314.51
5.3.140.4070.03714.50
5.3.130.3370.03714.56
5.3.120.3370.04014.59
5.3.110.3500.03314.49
5.3.100.3370.04013.88
5.3.90.3530.03013.96
5.3.80.3400.03713.81
5.3.70.3430.03713.97
5.3.60.3330.04013.84
5.3.50.3370.04013.96
5.3.40.4070.04013.98
5.3.30.3430.03313.85
5.3.20.3470.03013.59
5.3.10.3400.03313.50
5.3.00.3370.04013.49
5.2.170.2870.03311.09
5.2.160.2830.02711.20
5.2.150.2700.02711.23
5.2.140.2900.03010.98
5.2.130.3400.02310.96
5.2.120.2900.02711.11
5.2.110.2800.03011.11
5.2.100.2800.03010.92
5.2.90.2870.03010.96
5.2.80.2830.03310.94
5.2.70.2670.02710.95
5.2.60.2830.02711.05
5.2.50.2970.02310.88
5.2.40.2100.03010.85
5.2.30.2530.02711.00
5.2.20.2130.03310.90
5.2.10.2330.02710.76
5.2.00.2400.02710.67
5.1.60.2500.02010.55
5.1.50.2100.02310.55
5.1.40.2270.03010.55
5.1.30.2070.02710.55
5.1.20.2370.02710.55
5.1.10.2370.02310.55
5.1.00.2430.02310.55
5.0.50.1300.02710.55
5.0.40.1100.02010.55
5.0.30.1330.04010.55
5.0.20.1330.02010.55
5.0.10.1470.02710.55
5.0.00.1300.03710.55
4.4.90.1100.01710.55
4.4.80.1100.01710.55
4.4.70.1270.02010.55
4.4.60.1430.01710.55
4.4.50.1370.01710.55
4.4.40.1230.02310.55
4.4.30.1570.01710.55
4.4.20.1600.01310.55
4.4.10.1570.01710.55
4.4.00.1470.02710.55
4.3.110.1600.01710.55
4.3.100.1270.01710.55
4.3.90.1530.02010.55
4.3.80.1530.02310.55
4.3.70.1430.02010.55
4.3.60.1030.01710.55
4.3.50.1270.02010.55
4.3.40.1230.03010.55
4.3.30.0530.01310.55
4.3.20.0630.02010.55
4.3.10.0630.01710.55
4.3.00.0700.02710.55

preferences:
44.34 ms | 401 KiB | 5 Q