3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern="\( ( (?>[^()]+) | (?R) )* \)"; $str="(def a (x) (+ 1 x))(print (a 1))"; var_dump(preg_grep($pattern,$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)
8.3.60.0110.00418.56
8.3.50.0070.01321.08
8.3.40.0070.00718.93
8.3.30.0030.01020.41
8.3.20.0040.00420.12
8.3.10.0040.00422.01
8.3.00.0000.00922.37
8.2.180.0100.01018.67
8.2.170.0140.00322.96
8.2.160.0110.00720.35
8.2.150.0060.00324.18
8.2.140.0180.00024.66
8.2.130.0130.00626.16
8.2.120.0080.00019.65
8.2.110.0090.00022.24
8.2.100.0040.00819.25
8.2.90.0070.00019.09
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0030.00618.16
8.2.30.0050.00217.86
8.2.20.0040.00417.71
8.2.10.0020.00517.73
8.2.00.0040.00417.64
8.1.280.0070.01425.92
8.1.270.0060.00320.29
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.86
8.1.230.0080.00319.16
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0040.00417.53
8.1.180.0040.00418.60
8.1.170.0030.00618.57
8.1.160.0070.00022.17
8.1.150.0040.00418.56
8.1.140.0050.00217.38
8.1.130.0030.00317.78
8.1.120.0050.00317.42
8.1.110.0050.00317.29
8.1.100.0000.00817.45
8.1.90.0000.00717.38
8.1.80.0000.00717.46
8.1.70.0040.00417.24
8.1.60.0040.00417.56
8.1.50.0000.00717.51
8.1.40.0050.00217.48
8.1.30.0000.00817.47
8.1.20.0050.00317.62
8.1.10.0000.00717.56
8.1.00.0030.00517.52
8.0.300.0000.00818.77
8.0.290.0070.00017.05
8.0.280.0000.00718.36
8.0.270.0000.00817.11
8.0.260.0000.00716.81
8.0.250.0000.00716.87
8.0.240.0000.00716.95
8.0.230.0000.00716.90
8.0.220.0060.00016.80
8.0.210.0000.00716.92
8.0.200.0030.00516.84
8.0.190.0070.00016.84
8.0.180.0000.00716.95
8.0.170.0040.00416.89
8.0.160.0070.00016.91
8.0.150.0070.00016.87
8.0.140.0040.00416.74
8.0.130.0030.00313.30
8.0.120.0040.00416.89
8.0.110.0000.00716.87
8.0.100.0050.00316.95
8.0.90.0040.00416.77
8.0.80.0080.00816.87
8.0.70.0000.01016.86
8.0.60.0030.00616.84
8.0.50.0000.00716.68
8.0.30.0110.00917.09
8.0.20.0100.01117.40
8.0.10.0000.00717.05
8.0.00.0100.00816.55
7.4.330.0000.00415.00
7.4.320.0040.00416.44
7.4.300.0030.00316.57
7.4.290.0000.00716.42
7.4.280.0000.00716.43
7.4.270.0000.00716.54
7.4.260.0000.00716.47
7.4.250.0070.00016.52
7.4.240.0050.00316.44
7.4.230.0030.00316.63
7.4.220.0070.01016.57
7.4.210.0060.01216.50
7.4.200.0000.00716.45
7.4.190.0040.00416.38
7.4.160.0180.00316.55
7.4.150.0160.01017.40
7.4.140.0160.00517.86
7.4.130.0050.01216.49
7.4.120.0050.01116.45
7.4.110.0080.00816.51
7.4.100.0090.00916.48
7.4.90.0100.00716.54
7.4.80.0110.01119.39
7.4.70.0090.00616.44
7.4.60.0130.02216.41
7.4.50.0030.00316.65
7.4.40.0040.00822.77
7.4.30.0100.00616.07
7.4.00.0030.00714.70
7.3.330.0020.00212.94
7.3.320.0020.00213.12
7.3.310.0050.00316.15
7.3.300.0000.00716.19
7.3.290.0060.00916.18
7.3.280.0070.00816.21
7.3.270.0130.00317.40
7.3.260.0090.01316.22
7.3.250.0070.00916.33
7.3.240.0080.00816.31
7.3.230.0100.00716.43
7.3.210.0190.00016.42
7.3.200.0060.01619.39
7.3.190.0140.00816.07
7.3.180.0100.01016.29
7.3.170.0110.01116.27
7.3.160.0130.00316.27
7.3.120.0090.00914.72
7.3.10.0130.01316.31
7.3.00.0190.00016.38
7.2.330.0140.00616.57
7.2.320.0080.01016.50
7.2.310.0090.00616.25
7.2.300.0050.01116.59
7.2.290.0100.00716.32
7.2.130.0130.01016.74
7.2.120.0090.00616.39
7.2.110.0070.00716.66
7.2.100.0040.00816.71
7.2.90.0060.00316.68
7.2.80.0060.01316.45
7.2.70.0000.01316.60
7.2.60.0150.00316.67
7.2.50.0000.01716.50
7.2.40.0030.01016.48
7.2.30.0000.01216.54
7.2.20.0000.01216.32
7.2.10.0040.01216.51
7.2.00.0030.00716.78
7.1.250.0140.00615.53
7.1.70.0050.00317.16
7.1.60.0070.00417.02
7.1.50.0110.01116.79
7.1.00.0030.06722.32
7.0.200.0160.00716.59
7.0.140.0030.07322.12
7.0.60.0000.09320.04
7.0.50.0000.08317.77
7.0.40.0070.09720.30
7.0.30.0230.08020.13
7.0.20.0330.07720.00
7.0.10.0300.04720.18
7.0.00.0130.07020.29
5.6.280.0070.07021.09
5.6.210.0130.07320.47
5.6.200.0100.08018.12
5.6.190.0170.08020.32
5.6.180.3170.04020.41
5.6.170.0130.05320.44
5.6.160.0030.08320.40
5.6.150.0100.04718.13
5.6.140.0100.06318.16
5.6.130.0000.08318.11
5.6.120.0030.08321.07
5.6.110.0100.06721.00
5.6.100.0130.06320.86
5.6.90.0000.04321.09
5.6.80.0230.06020.35
5.6.70.0200.07320.35
5.5.350.0200.07020.32
5.5.340.0000.04318.02
5.5.330.0100.07320.41
5.5.320.0370.07320.29
5.5.310.0200.04720.32
5.5.300.0070.07718.02
5.5.290.0100.04717.87
5.5.280.0070.07720.88
5.5.270.0130.07720.87
5.5.260.0130.05720.87
5.5.250.0070.06720.48
5.5.240.0070.08320.36
5.4.450.0000.07019.51
5.4.440.0900.06019.46
5.4.430.0800.05019.54
5.4.420.0170.05719.10
5.4.410.0700.04019.41
5.4.400.0170.06018.68
5.4.390.0100.08018.50
5.4.380.0130.06318.72
5.4.370.0230.06018.58
5.4.360.0130.05318.49
5.4.350.0120.04711.98
5.4.340.0080.03911.96
5.4.320.0070.03812.45
5.4.310.0070.04312.45
5.4.300.0040.03712.45
5.4.290.0080.04412.45
5.4.280.0070.03312.35
5.4.270.0100.03912.35
5.4.260.0130.05019.00
5.4.250.0070.05719.02
5.4.240.0170.06718.84
5.4.230.0070.05318.77
5.4.220.0070.05318.77
5.4.210.0130.04719.02
5.4.200.0100.05719.02
5.4.190.0130.05018.65
5.4.180.0070.05318.77
5.4.170.0030.05718.73
5.4.160.0130.04718.69
5.4.150.0030.06018.69
5.4.140.0130.04716.45
5.4.130.0130.06316.19
5.4.120.0070.05016.25
5.4.110.0030.05716.41
5.4.100.0170.04316.23
5.4.90.0130.06016.24
5.4.80.0030.05316.41
5.4.70.0070.05016.43
5.4.60.0130.04316.47
5.4.50.0130.06016.35
5.4.40.0100.04716.32
5.4.30.0130.04016.46
5.4.20.0100.04316.18
5.4.10.0070.07716.47
5.4.00.0130.05015.89
5.3.290.0060.04112.80
5.3.280.0100.05014.74
5.3.270.0070.05314.52
5.3.260.0070.06014.61
5.3.250.0200.06314.62
5.3.240.0100.05014.60
5.3.230.0100.05014.60
5.3.220.0100.05014.58
5.3.210.0100.05714.34
5.3.200.0170.06014.57
5.3.190.0100.07014.71
5.3.180.0100.07014.58
5.3.170.0030.05314.60
5.3.160.0070.05714.26
5.3.150.0130.05014.33
5.3.140.0000.05714.57
5.3.130.0130.04314.59
5.3.120.0030.06714.24
5.3.110.0070.05314.38
5.3.100.0030.05313.89
5.3.90.0070.06014.02
5.3.80.0130.04313.95
5.3.70.0130.04313.99
5.3.60.0070.05713.85
5.3.50.0030.05014.00
5.3.40.0200.04713.82
5.3.30.0100.04313.77
5.3.20.0130.04313.57
5.3.10.0070.04713.65
5.3.00.0130.04713.68
5.2.170.0030.04311.06
5.2.160.0000.04711.15
5.2.150.0100.04711.07
5.2.140.0070.04011.05
5.2.130.0100.03711.11
5.2.120.0000.04311.11
5.2.110.0170.03711.10
5.2.100.0100.04311.03
5.2.90.0070.05311.18
5.2.80.0170.04310.99
5.2.70.0100.04711.11
5.2.60.0130.05311.16
5.2.50.0130.03310.92
5.2.40.0070.04010.92
5.2.30.0070.04310.92
5.2.20.0070.03710.96
5.2.10.0000.06010.77
5.2.00.0030.04010.88
5.1.60.0030.03710.23
5.1.50.0030.03710.14
5.1.40.0170.0339.91
5.1.30.0070.04010.50
5.1.20.0100.04010.43
5.1.10.0030.0409.95
5.1.00.0100.03310.03
5.0.50.0130.0308.63
5.0.40.0070.0238.59
5.0.30.0130.0408.26
5.0.20.0030.0308.02
5.0.10.0100.0238.13
5.0.00.0030.0408.18
4.4.90.0000.0336.87
4.4.80.0030.0306.87
4.4.70.0030.0236.87
4.4.60.0000.0236.87
4.4.50.0070.0176.87
4.4.40.0130.0236.87
4.4.30.0070.0276.87
4.4.20.0000.0236.87
4.4.10.0100.0176.87
4.4.00.0070.0306.87
4.3.110.0030.0206.87
4.3.100.0030.0206.87
4.3.90.0000.0236.87
4.3.80.0000.0376.87
4.3.70.0100.0136.87
4.3.60.0030.0176.87
4.3.50.0070.0306.87
4.3.40.0030.0306.87
4.3.30.0030.0206.87
4.3.20.0000.0236.87
4.3.10.0030.0276.87
4.3.00.0130.0236.78

preferences:
42.51 ms | 400 KiB | 5 Q