3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern="\( ( (?>[^()]+) | (?R) )* \)"; $str="(def a (x) (+ 1 x))(print (a 1))"; preg_match_all($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)
8.3.60.0140.00718.20
8.3.50.0090.01221.91
8.3.40.0120.00318.45
8.3.30.0110.00718.93
8.3.20.0040.00420.04
8.3.10.0040.00422.09
8.3.00.0080.00022.42
8.2.180.0120.00916.63
8.2.170.0100.00722.96
8.2.160.0080.01220.80
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.01126.16
8.2.120.0080.00019.36
8.2.110.0060.00320.53
8.2.100.0000.01117.72
8.2.90.0030.00619.08
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0060.00617.55
8.2.50.0050.00518.07
8.2.40.0040.00418.09
8.2.30.0040.00418.04
8.2.20.0000.00717.63
8.2.10.0000.00819.41
8.2.00.0000.00717.65
8.1.280.0100.01025.92
8.1.270.0040.01422.14
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00620.78
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0070.00417.23
8.1.190.0080.00017.51
8.1.180.0040.00418.38
8.1.170.0030.00618.59
8.1.160.0000.00721.99
8.1.150.0040.00418.44
8.1.140.0000.00717.29
8.1.130.0000.00717.68
8.1.120.0000.00817.42
8.1.110.0030.00517.43
8.1.100.0040.00317.37
8.1.90.0050.00317.28
8.1.80.0000.00717.42
8.1.70.0030.00517.36
8.1.60.0000.00817.39
8.1.50.0060.00317.51
8.1.40.0000.00817.46
8.1.30.0070.00017.62
8.1.20.0000.00817.45
8.1.10.0040.00417.50
8.1.00.0040.00417.46
8.0.300.0020.00518.77
8.0.290.0050.00216.63
8.0.280.0000.00718.29
8.0.270.0000.00716.81
8.0.260.0030.00316.80
8.0.250.0070.00017.02
8.0.240.0030.00516.98
8.0.230.0000.00716.95
8.0.220.0040.00416.76
8.0.210.0040.00416.79
8.0.200.0000.00616.86
8.0.190.0030.00716.91
8.0.180.0040.00416.92
8.0.170.0070.00016.77
8.0.160.0040.00416.84
8.0.150.0070.00016.81
8.0.140.0040.00416.75
8.0.130.0000.00613.38
8.0.120.0040.00416.84
8.0.110.0000.00716.90
8.0.100.0000.00816.77
8.0.90.0000.00716.86
8.0.80.0090.01216.95
8.0.70.0040.00416.89
8.0.60.0030.00516.92
8.0.50.0040.00416.95
8.0.30.0130.00817.04
8.0.20.0120.00817.40
8.0.10.0000.00716.85
8.0.00.0120.00716.64
7.4.330.0060.00015.03
7.4.320.0030.00316.50
7.4.300.0030.00316.37
7.4.290.0030.00316.53
7.4.280.0030.00316.51
7.4.270.0060.00316.52
7.4.260.0040.00416.50
7.4.250.0030.00516.38
7.4.240.0020.00516.36
7.4.230.0040.00416.27
7.4.220.0060.01816.64
7.4.210.0060.00816.45
7.4.200.0040.00416.32
7.4.190.0030.00316.41
7.4.160.0100.00716.22
7.4.150.0030.01317.40
7.4.140.0090.00917.86
7.4.130.0130.00816.50
7.4.120.0090.00916.46
7.4.110.0070.01016.63
7.4.100.0070.01416.41
7.4.90.0170.00416.25
7.4.80.0000.01619.39
7.4.70.0040.01416.57
7.4.60.0060.00916.25
7.4.50.0000.00916.46
7.4.40.0040.01122.77
7.4.30.0090.00916.43
7.4.00.0000.01314.72
7.3.330.0060.00013.02
7.3.320.0050.00013.18
7.3.310.0000.00716.25
7.3.300.0020.00516.19
7.3.290.0070.01216.21
7.3.280.0030.01516.18
7.3.270.0100.00617.40
7.3.260.0030.01316.51
7.3.250.0100.00816.38
7.3.240.0100.00616.20
7.3.230.0170.00716.44
7.3.210.0060.01216.05
7.3.200.0180.00319.39
7.3.190.0070.01616.26
7.3.180.0090.00616.42
7.3.170.0060.00916.27
7.3.160.0130.01016.29
7.3.120.0030.01214.65
7.3.00.0060.01016.60
7.2.330.0090.00916.44
7.2.320.0200.00316.60
7.2.310.0120.01216.51
7.2.300.0120.01216.32
7.2.290.0070.01016.34
7.2.130.0070.00716.78
7.2.120.0110.00316.57
7.2.110.0000.01116.84
7.2.100.0000.01316.42
7.2.90.0090.00016.49
7.2.80.0060.00616.45
7.2.70.0030.00816.58
7.2.60.0130.00716.81
7.2.50.0030.00916.86
7.2.40.0030.00716.43
7.2.30.0000.01516.64
7.2.20.0060.01016.86
7.2.10.0070.00316.46
7.2.00.0030.00916.79
7.1.250.0040.00415.48
7.1.240.0060.00915.70
7.1.230.0000.00915.73
7.1.220.0000.00815.80
7.1.210.0090.00315.57
7.1.200.0050.00715.64
7.1.190.0030.00715.65
7.1.180.0030.01015.91
7.1.170.0070.00715.49
7.1.160.0090.00015.62
7.1.150.0030.00615.76
7.1.140.0070.00315.72
7.1.130.0030.00615.57
7.1.120.0030.01315.84
7.1.110.0000.00815.59
7.1.100.0040.00716.80
7.1.90.0100.00315.71
7.1.80.0000.00915.60
7.1.70.0020.00716.49
7.1.60.0050.01217.82
7.1.50.0100.00716.09
7.1.40.0090.00015.55
7.1.30.0070.00315.73
7.1.20.0080.00815.62
7.1.10.0060.00315.71
7.1.00.0000.04418.96
7.0.330.0000.00915.15
7.0.320.0000.01215.25
7.0.310.0070.00715.28
7.0.300.0070.00315.40
7.0.290.0100.00315.38
7.0.280.0090.00015.43
7.0.270.0000.01515.31
7.0.260.0030.00615.01
7.0.250.0060.00615.35
7.0.240.0060.00615.34
7.0.230.0100.00715.24
7.0.220.0040.00815.34
7.0.210.0030.00615.38
7.0.200.0060.00315.87
7.0.190.0030.00615.30
7.0.180.0090.00315.38
7.0.170.0070.00415.22
7.0.160.0030.01015.44
7.0.150.0050.00315.29
7.0.140.0050.03818.70
7.0.130.0060.00315.42
7.0.120.0000.00715.34
7.0.110.0090.00015.32
7.0.100.0080.00315.32
7.0.90.0040.00415.33
7.0.80.0000.00915.16
7.0.70.0060.00315.41
7.0.60.0120.03217.65
7.0.50.0030.04816.66
7.0.40.0090.02016.84
7.0.30.0130.02316.74
7.0.20.0180.02816.67
7.0.10.0120.04516.62
7.0.00.0080.04116.83
5.6.380.0110.00014.00
5.6.370.0040.01114.24
5.6.360.0000.01014.12
5.6.350.0000.01013.71
5.6.340.0100.00314.09
5.6.330.0070.00714.29
5.6.320.0070.00413.99
5.6.310.0030.00714.03
5.6.300.0100.00013.97
5.6.290.0030.00714.21
5.6.280.0090.03617.49
5.6.270.0030.00614.21
5.6.260.0030.00613.91
5.6.250.0090.00014.03
5.6.240.0000.01414.25
5.6.230.0110.00014.13
5.6.220.0030.00614.29
5.6.210.0060.02817.34
5.6.200.0030.03816.09
5.6.190.0070.04917.42
5.6.180.1430.02517.18
5.6.170.0130.03017.30
5.6.160.0050.03217.42
5.6.150.0070.02016.27
5.6.140.0000.03516.26
5.6.130.0090.03616.24
5.6.120.0030.02917.63
5.6.110.0020.04517.63
5.6.100.0080.04117.49
5.6.90.0100.04017.52
5.6.80.0020.04717.15
5.6.70.0230.03317.22
5.6.60.0000.01214.17
5.6.50.0070.00714.21
5.6.40.0040.00814.08
5.6.30.0070.00313.84
5.6.20.0070.00714.23
5.6.10.0070.00314.19
5.6.00.0070.00313.98
5.5.380.0030.00310.59
5.5.370.0000.00910.88
5.5.360.0000.00510.49
5.5.350.0040.04415.58
5.5.340.0040.03514.33
5.5.330.0090.03815.45
5.5.320.0100.04315.56
5.5.310.0120.02615.67
5.5.300.0020.03614.22
5.5.290.0050.04214.44
5.5.280.0080.04215.90
5.5.270.0030.02815.89
5.5.260.0030.03515.88
5.5.250.0070.02315.81
5.5.240.0070.03015.20
5.5.230.0040.00410.73
5.5.220.0030.00310.80
5.5.210.0060.00010.66
5.5.200.0000.00910.75
5.5.190.0060.00310.71
5.5.180.0040.00410.82
5.5.170.0000.00910.50
5.5.160.0060.00310.77
5.5.150.0000.00710.76
5.5.140.0000.01010.76
5.5.130.0000.00710.64
5.5.120.0000.01011.09
5.5.110.0030.00610.93
5.5.100.0040.00410.74
5.5.90.0040.00810.64
5.5.80.0070.00010.87
5.5.70.0000.00710.86
5.5.60.0030.00710.78
5.5.50.0020.00510.59
5.5.40.0040.00410.92
5.5.30.0030.00310.91
5.5.20.0030.00310.55
5.5.10.0050.00210.74
5.5.00.0040.00410.60
5.4.450.0260.03315.12
5.4.440.0300.03515.23
5.4.430.0080.03515.03
5.4.420.0080.04015.08
5.4.410.0150.02315.07
5.4.400.0460.00214.76
5.4.390.0400.00214.68
5.4.380.0150.03114.60
5.4.370.0200.02514.63
5.4.360.0120.03114.75
5.4.350.0180.02314.64
5.4.340.0130.02814.70
5.4.330.0070.00010.84
5.4.320.0020.02411.53
5.4.310.0030.02411.44
5.4.300.0030.02811.62
5.4.290.0070.01911.45
5.4.280.0090.01611.37
5.4.270.0070.01711.57
5.4.260.0080.03914.65
5.4.250.0060.03014.70
5.4.240.0030.03014.85
5.4.230.0030.03014.65
5.4.220.0090.03214.91
5.4.210.0040.04114.80
5.4.200.0070.02514.78
5.4.190.0000.03414.65
5.4.180.0080.04014.74
5.4.170.0110.03814.75
5.4.160.0100.02214.86
5.4.150.0080.03414.76
5.4.140.0060.02913.67
5.4.130.0100.02513.51
5.4.120.0050.02913.63
5.4.110.0080.02813.43
5.4.100.0090.03313.55
5.4.90.0070.03413.39
5.4.80.0100.02313.52
5.4.70.0070.02513.40
5.4.60.0050.03013.50
5.4.50.0050.02713.44
5.4.40.0100.02213.41
5.4.30.0070.02513.58
5.4.20.0040.02813.55
5.4.10.0050.02613.65
5.4.00.0050.02713.16
5.3.290.0060.02511.61
5.3.280.0030.03012.28
5.3.270.0080.02612.34
5.3.260.0090.03312.45
5.3.250.0030.03012.61
5.3.240.0070.02812.45
5.3.230.0050.03512.37
5.3.220.0080.03712.38
5.3.210.0080.02712.30
5.3.200.0020.03012.27
5.3.190.0100.03612.39
5.3.180.0100.03512.57
5.3.170.0080.02612.37
5.3.160.0080.02512.47
5.3.150.0070.04012.46
5.3.140.0100.03012.51
5.3.130.0050.02812.44
5.3.120.0070.02712.50
5.3.110.0050.02612.35
5.3.100.0030.02812.21
5.3.90.0090.02212.15
5.3.80.0000.03312.11
5.3.70.0020.03812.02
5.3.60.0040.02512.01
5.3.50.0030.03012.23
5.3.40.0080.02312.07
5.3.30.0050.03212.03
5.3.20.0070.02311.91
5.3.10.0070.02311.76
5.3.00.0050.02711.71
5.2.170.0030.03310.56
5.2.160.0070.02010.55
5.2.150.0050.02510.43
5.2.140.0020.02710.43
5.2.130.0030.02210.59
5.2.120.0030.02110.50
5.2.110.0040.02010.54
5.2.100.0050.02010.48
5.2.90.0020.02410.54
5.2.80.0050.02210.47
5.2.70.0060.01810.49
5.2.60.0000.02810.50
5.2.50.0050.02310.50
5.2.40.0070.02110.48
5.2.30.0070.02410.54
5.2.20.0020.02410.37
5.2.10.0050.02110.44
5.2.00.0030.02210.32
5.1.60.0020.0259.96
5.1.50.0040.02010.07
5.1.40.0000.0229.98
5.1.30.0020.02210.17
5.1.20.0000.02210.23
5.1.10.0060.0159.89
5.1.00.0060.01810.11
5.0.50.0030.0209.21
5.0.40.0020.0139.14
5.0.30.0070.0179.12
5.0.20.0020.0159.19
5.0.10.0050.0129.18
5.0.00.0030.0209.04
4.4.90.0030.0128.53
4.4.80.0050.0138.53
4.4.70.0030.0148.53
4.4.60.0020.0128.53
4.4.50.0030.0128.53
4.4.40.0000.0228.53
4.4.30.0050.0088.53
4.4.20.0020.0148.53
4.4.10.0030.0138.53
4.4.00.0000.0198.53
4.3.110.0040.0108.53
4.3.100.0030.0118.53
4.3.90.0000.0128.53
4.3.80.0020.0178.53
4.3.70.0010.0138.53
4.3.60.0030.0128.53
4.3.50.0030.0168.53
4.3.40.0030.0188.53
4.3.30.0020.0128.53
4.3.20.0030.0118.53
4.3.10.0020.0128.53
4.3.00.0030.0158.71

preferences:
45.06 ms | 401 KiB | 5 Q