3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "($a * 10 + $b) Euro and (10 + 2) cents"; $regex = '#\((([^()]+|(?R))*)\)#'; if (preg_match_all($regex, $string ,$matches)) { echo var_export($matches[1], true); } else { //no parenthesis echo $string; }

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)
8.3.60.0060.01218.55
8.3.50.0100.00722.17
8.3.40.0180.00019.05
8.3.30.0140.00018.93
8.3.20.0110.00320.39
8.3.10.0040.00421.73
8.3.00.0060.00317.91
8.2.180.0140.00417.00
8.2.170.0120.00322.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0130.00926.16
8.2.120.0050.00320.85
8.2.110.0100.00019.30
8.2.100.0030.00818.09
8.2.90.0030.00519.34
8.2.80.0050.00317.97
8.2.70.0050.00317.88
8.2.60.0040.00418.16
8.2.50.0070.00318.10
8.2.40.0030.00620.13
8.2.30.0000.01018.03
8.2.20.0000.00817.95
8.2.10.0040.00418.02
8.2.00.0040.00417.95
8.1.280.0140.00025.92
8.1.270.0060.00323.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0100.00021.29
8.1.230.0040.00817.89
8.1.220.0080.00017.78
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0090.00017.35
8.1.180.0000.00918.10
8.1.170.0060.00318.63
8.1.160.0030.00522.02
8.1.150.0040.00418.76
8.1.140.0080.00017.48
8.1.130.0030.00317.87
8.1.120.0000.00717.60
8.1.110.0040.00417.54
8.1.100.0080.00017.56
8.1.90.0030.00517.45
8.1.80.0030.00317.53
8.1.70.0030.00317.40
8.1.60.0040.00417.56
8.1.50.0000.00817.59
8.1.40.0030.00617.68
8.1.30.0040.00417.67
8.1.20.0040.00417.75
8.1.10.0000.00817.66
8.1.00.0060.00317.55
8.0.300.0000.00718.77
8.0.290.0040.00417.00
8.0.280.0030.00518.58
8.0.270.0000.00717.20
8.0.260.0000.00817.20
8.0.250.0000.00717.18
8.0.240.0080.00017.22
8.0.230.0070.00017.12
8.0.220.0080.00017.02
8.0.210.0070.00017.08
8.0.200.0060.00017.21
8.0.190.0000.00817.21
8.0.180.0020.00517.13
8.0.170.0030.00517.03
8.0.160.0000.00717.11
8.0.150.0040.00417.07
8.0.140.0000.00717.09
8.0.130.0000.00513.53
8.0.120.0030.00517.16
8.0.110.0040.00417.15
8.0.100.0000.00817.05
8.0.90.0000.00717.07
8.0.80.0090.00616.98
8.0.70.0040.00417.15
8.0.60.0040.00416.96
8.0.50.0000.00817.12
8.0.30.0080.01517.24
8.0.20.0120.00717.46
8.0.10.0030.00517.02
8.0.00.0120.00616.97
7.4.330.0020.00215.05
7.4.320.0000.00616.67
7.4.300.0070.00016.80
7.4.290.0070.00016.80
7.4.280.0080.00016.74
7.4.270.0000.00816.67
7.4.260.0040.00416.71
7.4.250.0040.00416.69
7.4.240.0010.00616.77
7.4.230.0030.00316.46
7.4.220.0150.00916.75
7.4.210.0100.01016.83
7.4.200.0050.00316.76
7.4.160.0060.01016.77
7.4.150.0060.01217.40
7.4.140.0140.00717.86
7.4.130.0090.00916.86
7.4.120.0080.01016.84
7.4.110.0090.01216.76
7.4.100.0130.01016.61
7.4.90.0120.00616.55
7.4.80.0060.01219.39
7.4.70.0120.00616.73
7.4.60.0120.01216.59
7.4.50.0030.00316.75
7.4.40.0100.00616.71
7.4.30.0080.00816.73
7.4.00.0090.00615.31
7.3.330.0030.00313.32
7.3.320.0000.00713.35
7.3.310.0070.00016.26
7.3.300.0000.00716.41
7.3.290.0090.00916.50
7.3.280.0090.00816.46
7.3.270.0170.00717.40
7.3.260.0000.01716.60
7.3.240.0090.01316.54
7.3.230.0160.00616.69
7.3.210.0040.01616.65
7.3.200.0080.00819.39
7.3.190.0130.00316.60
7.3.180.0030.01516.71
7.3.170.0160.00016.94
7.3.160.0160.00616.66
7.3.120.0130.00315.21
7.3.10.0110.00716.66
7.3.00.0100.00316.36
7.2.330.0100.00716.78
7.2.320.0100.01016.73
7.2.310.0120.00616.71
7.2.300.0030.01416.68
7.2.290.0060.00916.79
7.2.130.0080.00316.92
7.2.120.0040.01216.52
7.2.110.0000.01016.44
7.2.100.0060.01016.63
7.2.90.0060.00616.77
7.2.80.0110.00416.84
7.2.70.0060.00616.85
7.2.60.0090.00316.89
7.2.50.0060.00916.82
7.2.40.0240.00716.71
7.2.30.0130.00316.88
7.2.20.0060.00316.90
7.2.10.0120.00316.61
7.2.00.0090.00718.35
7.1.250.0030.00915.56
7.1.100.0100.00718.32
7.1.70.0000.01017.45
7.1.60.0070.01719.25
7.1.50.0110.01117.25
7.1.00.0130.06022.48
7.0.200.0000.00816.84
7.0.140.0030.06722.00
7.0.60.0070.06019.96
7.0.50.0100.08717.83
7.0.40.0170.08020.26
7.0.30.0170.09020.02
7.0.20.0300.08020.02
7.0.10.0030.08720.20
7.0.00.0170.07320.14
5.6.280.0100.07020.99
5.6.210.0100.03720.69
5.6.200.0070.08018.18
5.6.190.0070.08020.49
5.6.180.0330.07320.77
5.6.170.0330.04720.76
5.6.160.0170.07320.50
5.6.150.0100.07718.11
5.6.140.0130.03018.17
5.6.130.0100.07718.21
5.6.120.0130.07020.98
5.6.110.0100.08321.02
5.6.100.0030.05320.97
5.6.90.0130.05020.99
5.6.80.0000.08720.25
5.5.350.0030.08020.32
5.5.340.0100.08017.97
5.5.330.0070.04020.43
5.5.320.0030.04020.18
5.5.310.0200.05020.20
5.5.300.0000.04318.01
5.5.290.0130.07317.98
5.5.280.0100.08020.76
5.5.270.0100.08720.76
5.5.260.0070.07320.63
5.5.250.0200.07020.62
5.5.240.4170.04720.06
5.4.450.0470.04019.58
5.4.440.0230.05319.27
5.4.430.0570.04719.25
5.4.420.0330.03319.48
5.4.410.0330.03719.08
5.4.400.0100.04018.89
5.4.390.0530.03718.93
5.4.380.0100.06718.53
5.4.370.0130.05318.52
5.4.360.0130.05318.63
5.4.350.0230.05018.66
5.4.340.0430.04318.69
5.4.320.0070.03412.46
5.4.310.0060.04112.45
5.4.300.0050.04012.46
5.4.290.0070.03712.46
5.4.280.0050.03612.35
5.4.270.0080.03312.35
5.4.260.0020.04212.35
5.4.250.0080.03512.35
5.4.240.0050.03612.35
5.4.230.0060.03712.34
5.4.220.0050.03712.34
5.4.210.0060.03512.34
5.4.200.0050.03912.34
5.4.190.0030.03912.34
5.4.180.0080.03712.34
5.4.170.0080.03312.35
5.4.160.0060.03612.35
5.4.150.0040.03812.34
5.4.140.0070.03512.02
5.4.130.0020.03812.01
5.4.120.0050.03511.97
5.4.110.0040.03611.97
5.4.100.0040.03611.97
5.4.90.0040.04611.96
5.4.80.0100.03411.96
5.4.70.0070.03811.96
5.4.60.0070.03611.96
5.4.50.0070.03911.96
5.4.40.0070.03511.95
5.4.30.0090.03511.95
5.4.20.0060.03611.95
5.4.10.0060.03611.95
5.4.00.0080.03311.44
5.3.290.0060.03812.80
5.3.280.0080.03812.71
5.3.270.0050.05712.73
5.3.260.0050.04512.72
5.3.250.0080.04412.71
5.3.240.0070.03612.72
5.3.230.0090.03412.71
5.3.220.0070.03612.68
5.3.210.0050.03912.68
5.3.200.0040.03812.68
5.3.190.0060.03712.68
5.3.180.0070.04112.67
5.3.170.0050.04412.67
5.3.160.0040.03912.67
5.3.150.0020.04112.68
5.3.140.0050.03712.66
5.3.130.0090.03612.66
5.3.120.0050.03912.66
5.3.110.0100.05212.66
5.3.100.0070.04212.12
5.3.90.0060.03812.08
5.3.80.0050.03712.07
5.3.70.0070.03612.08
5.3.60.0070.03512.07
5.3.50.0070.04212.00
5.3.40.0060.04712.00
5.3.30.0090.04311.96
5.3.20.0080.04811.74
5.3.10.0060.04511.70
5.3.00.0090.03611.70
5.2.170.0040.0319.19
5.2.160.0040.0339.19
5.2.150.0060.0289.19
5.2.140.0080.0369.18
5.2.130.0040.0339.14
5.2.120.0050.0359.15
5.2.110.0070.0299.16
5.2.100.0090.0309.16
5.2.90.0060.0279.15
5.2.80.0060.0359.15
5.2.70.0020.0409.15
5.2.60.0060.0289.10
5.2.50.0060.0299.07
5.2.40.0050.0299.06
5.2.30.0050.0299.03
5.2.20.0060.0289.02
5.2.10.0080.0338.94
5.2.00.0070.0378.79
5.1.60.0040.0248.08
5.1.50.0010.0278.08
5.1.40.0050.0238.06
5.1.30.0030.0268.41
5.1.20.0080.0258.43
5.1.10.0010.0288.16
5.1.00.0040.0308.15
5.0.50.0050.0186.63
5.0.40.0030.0206.50
5.0.30.0040.0306.30
5.0.20.0060.0236.28
5.0.10.0030.0246.25
5.0.00.0050.0326.25
4.4.90.0030.0154.78
4.4.80.0060.0194.75
4.4.70.0020.0164.76
4.4.60.0040.0204.75
4.4.50.0070.0224.77
4.4.40.0030.0314.70
4.4.30.0020.0214.76
4.4.20.0060.0184.84
4.4.10.0060.0214.85
4.4.00.0040.0284.75
4.3.110.0030.0214.67
4.3.100.0020.0204.67
4.3.90.0030.0184.63
4.3.80.0030.0274.58
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0010.0164.63
4.3.40.0050.0394.54
4.3.30.0010.0303.30
4.3.20.0030.0283.28
4.3.10.0020.0153.23
4.3.00.0030.01715.27

preferences:
40.28 ms | 401 KiB | 5 Q