3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern="/\(((?>[^()]+)|(?R))*\)/"; $str = <<< LOL (def a (x) (+ 1 x)) (print (a 1)) LOL; preg_match_all($pattern,$str,$out); var_dump($out);

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)
8.3.60.0130.00718.55
8.3.50.0130.00622.05
8.3.40.0070.01118.96
8.3.30.0040.01118.92
8.3.20.0040.00420.19
8.3.10.0080.00022.05
8.3.00.0100.00322.52
8.2.180.0140.01016.75
8.2.170.0090.00622.96
8.2.160.0090.00621.07
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.61
8.2.110.0030.00622.37
8.2.100.0120.00019.57
8.2.90.0000.00719.09
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0070.00317.93
8.2.50.0000.00818.07
8.2.40.0000.00718.03
8.2.30.0040.00418.06
8.2.20.0040.00417.68
8.2.10.0000.00819.59
8.2.00.0070.00017.77
8.1.280.0130.00725.92
8.1.270.0050.00322.14
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00823.86
8.1.230.0040.00719.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.38
8.1.180.0000.00818.57
8.1.170.0030.00618.63
8.1.160.0000.00721.98
8.1.150.0000.00718.68
8.1.140.0040.00417.54
8.1.130.0000.00717.80
8.1.120.0000.00717.56
8.1.110.0080.00017.57
8.1.100.0070.00017.42
8.1.90.0070.00017.56
8.1.80.0000.00717.45
8.1.70.0030.00317.56
8.1.60.0060.00317.66
8.1.50.0000.00717.49
8.1.40.0040.00417.62
8.1.30.0000.00817.62
8.1.20.0080.00017.77
8.1.10.0000.00717.66
8.1.00.0060.00317.65
8.0.300.0040.00418.77
8.0.290.0040.00416.93
8.0.280.0030.00318.32
8.0.270.0030.00617.09
8.0.260.0030.00316.98
8.0.250.0000.00717.09
8.0.240.0000.00717.14
8.0.230.0040.00417.00
8.0.220.0030.00317.10
8.0.210.0030.00317.04
8.0.200.0000.00817.08
8.0.190.0090.00017.11
8.0.180.0070.00017.15
8.0.170.0070.00017.02
8.0.160.0000.00716.99
8.0.150.0030.00317.03
8.0.140.0000.00717.05
8.0.130.0030.00313.43
8.0.120.0030.00516.89
8.0.110.0040.00416.93
8.0.100.0040.00417.08
8.0.90.0040.00416.98
8.0.80.0030.01317.09
8.0.70.0070.00016.84
8.0.60.0040.00417.10
8.0.50.0040.00416.94
8.0.30.0080.01217.13
8.0.20.0110.00717.40
8.0.10.0070.00017.03
8.0.00.0040.01316.95
7.4.330.0060.00015.05
7.4.320.0000.00616.80
7.4.300.0030.00316.70
7.4.290.0040.00416.72
7.4.280.0000.00716.65
7.4.270.0000.00716.73
7.4.260.0030.00316.61
7.4.250.0040.00416.70
7.4.240.0030.00416.74
7.4.230.0070.00016.63
7.4.220.0180.00016.67
7.4.210.0070.00916.71
7.4.200.0040.00416.82
7.4.190.0030.00316.61
7.4.160.0110.00616.42
7.4.150.0100.00617.40
7.4.140.0110.00817.86
7.4.130.0130.01116.63
7.4.120.0140.00416.75
7.4.110.0120.00616.63
7.4.100.0130.00616.62
7.4.90.0130.01016.72
7.4.80.0140.01019.39
7.4.70.0100.00716.48
7.4.60.0080.00816.80
7.4.50.0050.00516.26
7.4.40.0000.01522.77
7.4.30.0100.01016.68
7.4.00.0030.01214.97
7.3.330.0030.00313.25
7.3.320.0000.00713.23
7.3.310.0070.00016.32
7.3.300.0030.00316.41
7.3.290.0130.00716.39
7.3.280.0090.00916.36
7.3.270.0060.01217.40
7.3.260.0030.01416.56
7.3.250.0130.00416.51
7.3.240.0170.00716.41
7.3.230.0090.01216.39
7.3.210.0120.01216.44
7.3.200.0080.00819.39
7.3.190.0140.01116.38
7.3.180.0120.00616.54
7.3.170.0060.00916.34
7.3.160.0130.00916.54
7.3.120.0030.01014.88
7.3.110.0030.01014.57
7.3.100.0070.01014.86
7.3.90.0070.00714.98
7.3.80.0000.01414.80
7.3.70.0000.01314.84
7.3.60.0070.00714.66
7.3.50.0070.00714.64
7.3.40.0100.00614.65
7.3.30.0030.01014.82
7.3.20.0040.01116.81
7.3.10.0070.01016.41
7.3.00.0030.00716.83
7.2.330.0130.00716.56
7.2.320.0120.01316.59
7.2.310.0040.01516.63
7.2.300.0080.00816.44
7.2.290.0050.01116.58
7.2.240.0100.00314.75
7.2.230.0030.01014.79
7.2.220.0080.00615.14
7.2.210.0090.00315.16
7.2.200.0030.00715.15
7.2.190.0070.01015.14
7.2.180.0040.00814.95
7.2.170.0070.00715.05
7.2.160.0070.01014.90
7.2.150.0060.01216.83
7.2.140.0040.01516.57
7.2.130.0040.01116.61
7.2.120.0000.01316.98
7.2.110.0110.00716.75
7.2.100.0100.00316.91
7.2.90.0120.00316.76
7.2.80.0030.01316.96
7.2.70.0090.00616.75
7.2.60.0000.01016.60
7.2.50.0040.00816.72
7.2.40.0060.00916.85
7.2.30.0090.00916.87
7.2.20.0070.00716.87
7.2.10.0100.00616.84
7.2.00.0080.00518.01
7.1.330.0000.01515.91
7.1.320.0030.01015.59
7.1.310.0100.00315.45
7.1.300.0040.01115.71
7.1.290.0040.00715.75
7.1.280.0090.00615.69
7.1.270.0040.01115.83
7.1.260.0000.01515.76
7.1.250.0060.00915.55
7.1.100.0030.01018.20
7.1.70.0040.00417.46
7.1.60.0000.01117.08
7.1.50.0120.00917.14
7.1.00.0030.07322.43
7.0.200.0060.00916.84
7.0.140.0000.07722.00
7.0.60.0170.07719.84
7.0.50.0030.08317.95
7.0.40.0130.08020.26
7.0.30.0570.05720.21
7.0.20.0200.06020.19
7.0.10.0130.05020.19
7.0.00.0100.07320.21
5.6.280.0070.07021.15
5.6.210.0100.05320.46
5.6.200.0070.05318.12
5.6.190.0070.07020.45
5.6.180.0200.05720.58
5.6.170.0270.03720.50
5.6.160.0030.07720.52
5.6.150.0070.07718.14
5.6.140.0000.05018.16
5.6.130.0030.04718.20
5.6.120.0100.04720.96
5.6.110.0070.06320.94
5.6.100.0100.08320.93
5.6.90.0130.08321.10
5.6.80.0130.08320.30
5.5.350.0300.06320.46
5.5.340.0100.07017.90
5.5.330.0030.05020.41
5.5.320.0270.04720.57
5.5.310.0300.07020.18
5.5.300.0030.08317.91
5.5.290.0070.04017.91
5.5.280.0100.05720.75
5.5.270.0000.04320.95
5.5.260.0100.05320.79
5.5.250.0130.08020.58
5.5.240.0130.05020.26
5.4.450.0870.05719.32
5.4.440.0500.05019.45
5.4.430.0230.08019.41
5.4.420.0270.05719.43
5.4.410.0030.06018.91
5.4.400.0800.00018.49
5.4.390.0870.00018.50
5.4.380.0270.05018.46
5.4.370.0630.05318.59
5.4.360.0100.05718.50
5.4.350.0270.05718.52
5.4.340.0300.06018.58
5.4.320.0060.03712.45
5.4.310.0090.04312.45
5.4.300.0050.03712.45
5.4.290.0080.03512.45
5.4.280.0040.03712.34
5.4.270.0080.03412.34
5.4.260.0000.06318.79
5.4.250.0230.05318.64
5.4.240.0030.05718.99
5.4.230.0130.05018.77
5.4.220.0130.05718.77
5.4.210.0070.05718.94
5.4.200.0130.07018.94
5.4.190.0130.05718.72
5.4.180.0100.05718.88
5.4.170.0100.07318.70
5.4.160.0130.05718.63
5.4.150.0100.07318.93
5.4.140.0130.07316.51
5.4.130.0070.05716.25
5.4.120.0100.05716.40
5.4.110.0070.05316.41
5.4.100.0130.04716.54
5.4.90.0170.05716.39
5.4.80.0100.08716.60
5.4.70.0100.07016.41
5.4.60.0100.05716.50
5.4.50.0070.06716.36
5.4.40.0130.04316.39
5.4.30.0030.07316.17
5.4.20.0100.04716.32
5.4.10.0200.04716.40
5.4.00.0230.06315.93
5.3.290.0080.04212.80
5.3.280.0130.06314.43
5.3.270.0100.06714.38
5.3.260.0100.06314.65
5.3.250.0100.06714.61
5.3.240.0130.06014.60
5.3.230.0100.05714.59
5.3.220.0070.07714.59
5.3.210.0100.06314.36
5.3.200.0030.05314.48
5.3.190.0070.07314.43
5.3.180.0100.05314.41
5.3.170.0030.05714.61
5.3.160.0130.05314.48
5.3.150.0130.05714.59
5.3.140.0030.05714.26
5.3.130.0100.05314.32
5.3.120.0100.06714.59
5.3.110.0100.06014.55
5.3.100.0170.06314.02
5.3.90.0030.07013.86
5.3.80.0130.05314.03
5.3.70.0130.06314.02
5.3.60.0170.05714.01
5.3.50.0170.04313.82
5.3.40.0200.06313.96
5.3.30.0070.07313.84
5.3.20.0130.05713.54
5.3.10.0070.05713.53
5.3.00.0100.06713.58
5.2.170.0070.04311.07
5.2.160.0100.05310.98
5.2.150.0100.03711.04
5.2.140.0030.05711.24
5.2.130.0130.04011.00
5.2.120.0070.05011.11
5.2.110.0100.03711.21
5.2.100.0100.05011.02
5.2.90.0070.03711.12
5.2.80.0100.03711.18
5.2.70.0130.03710.99
5.2.60.0070.04011.04
5.2.50.0070.05311.13
5.2.40.0000.04711.01
5.2.30.0000.06010.91
5.2.20.0030.05010.91
5.2.10.0030.04310.70
5.2.00.0030.05010.63
5.1.60.0000.04710.38
5.1.50.0070.03310.38
5.1.40.0100.03010.38
5.1.30.0070.04710.54
5.1.20.0030.04310.43
5.1.10.0100.03010.38
5.1.00.0070.03310.38
5.0.50.0030.02710.38
5.0.40.0070.02310.38
5.0.30.0000.04310.38
5.0.20.0070.02710.38
5.0.10.0070.02310.38
5.0.00.0030.05310.38
4.4.90.0030.03010.38
4.4.80.0030.03010.38
4.4.70.0030.02010.38
4.4.60.0030.02010.38
4.4.50.0030.02710.38
4.4.40.0030.03310.38
4.4.30.0000.02310.38
4.4.20.0000.02710.38
4.4.10.0000.02310.38
4.4.00.0030.03710.38
4.3.110.0030.02010.38
4.3.100.0030.03010.38
4.3.90.0030.02010.38
4.3.80.0070.03010.38
4.3.70.0030.02010.38
4.3.60.0030.02710.38
4.3.50.0070.01710.38
4.3.40.0000.03710.38
4.3.30.0000.03310.38
4.3.20.0000.02310.38
4.3.10.0070.01710.38
4.3.00.0100.0236.78

preferences:
35.53 ms | 401 KiB | 5 Q