3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/((?>[A-Za-z])+([A-Za-z])+/', 'FooBar', $m); var_dump($m); preg_match('/([A-Za-z])++([A-Za-z])+/', 'FooBar', $m); var_dump($m);

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)
8.3.60.0120.00318.45
8.3.50.0090.00620.12
8.3.40.0110.00418.84
8.3.30.0100.00318.95
8.3.20.0070.00020.20
8.3.10.0000.00823.51
8.3.00.0060.00319.38
8.2.180.0070.01116.50
8.2.170.0040.01122.96
8.2.160.0110.00420.53
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.09
8.2.110.0090.00022.38
8.2.100.0080.00317.84
8.2.90.0030.00619.05
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0000.00917.80
8.2.50.0040.00518.07
8.2.40.0040.00417.97
8.2.30.0040.00418.03
8.2.20.0060.00317.74
8.2.10.0040.00417.98
8.2.00.0000.00917.57
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0000.01119.14
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0000.00817.10
8.1.180.0060.00318.10
8.1.170.0080.00018.60
8.1.160.0030.00521.88
8.1.150.0000.00718.79
8.1.140.0000.00917.39
8.1.130.0050.00317.70
8.1.120.0050.00317.46
8.1.110.0070.00017.41
8.1.100.0000.00817.41
8.1.90.0040.00717.47
8.1.80.0050.00317.48
8.1.70.0030.00317.39
8.1.60.0080.00017.50
8.1.50.0040.00417.53
8.1.40.0030.00517.59
8.1.30.0030.00617.54
8.1.20.0080.00017.68
8.1.10.0000.00717.61
8.1.00.0030.00617.45
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.35
8.0.270.0030.00317.20
8.0.260.0030.00317.11
8.0.250.0050.00217.01
8.0.240.0050.00317.04
8.0.230.0000.00716.89
8.0.220.0030.00316.91
8.0.210.0030.00316.99
8.0.200.0000.00616.92
8.0.190.0080.00016.99
8.0.180.0080.00017.04
8.0.170.0040.00416.96
8.0.160.0020.00517.02
8.0.150.0000.00716.86
8.0.140.0030.00316.92
8.0.130.0070.00013.40
8.0.120.0000.00816.78
8.0.110.0050.00216.94
8.0.100.0040.00416.98
8.0.90.0000.00716.95
8.0.80.0040.01217.03
8.0.70.0040.00417.04
8.0.60.0040.00416.93
8.0.50.0000.00716.79
8.0.30.0120.00717.05
8.0.20.0090.01617.40
8.0.10.0000.00817.20
8.0.00.0160.00516.89
7.4.330.0030.00315.04
7.4.320.0030.00316.46
7.4.300.0000.00616.67
7.4.290.0030.00316.65
7.4.280.0000.00716.58
7.4.270.0030.00316.55
7.4.260.0040.00416.66
7.4.250.0040.00416.61
7.4.240.0020.00516.57
7.4.230.0000.00816.48
7.4.220.0090.00916.74
7.4.210.0100.01016.63
7.4.200.0000.00716.71
7.4.160.0100.00716.62
7.4.150.0200.00417.40
7.4.140.0090.00817.86
7.4.130.0090.00816.56
7.4.120.0110.00616.59
7.4.110.0090.00616.66
7.4.100.0140.00316.50
7.4.90.0130.00316.66
7.4.80.0060.01119.39
7.4.70.0090.00916.56
7.4.60.0170.00016.34
7.4.50.0050.00316.64
7.4.40.0090.00916.55
7.4.30.0110.00516.66
7.4.10.0110.00415.23
7.4.00.0050.01315.05
7.3.330.0040.00413.02
7.3.320.0030.00313.28
7.3.310.0000.00716.38
7.3.300.0030.00316.38
7.3.290.0060.00916.35
7.3.280.0140.00216.36
7.3.270.0120.00917.40
7.3.260.0100.00716.39
7.3.250.0070.01016.52
7.3.240.0070.01116.47
7.3.230.0130.00516.54
7.3.210.0110.00416.54
7.3.200.0140.01019.39
7.3.190.0140.00316.47
7.3.180.0070.01416.64
7.3.170.0070.01016.27
7.3.160.0120.00416.62
7.3.130.0110.00714.89
7.3.120.0080.00815.11
7.3.110.0050.01114.83
7.3.100.0110.00514.85
7.3.90.0000.01414.96
7.3.80.0060.00614.94
7.3.70.0070.01014.92
7.3.60.0020.01114.95
7.3.50.0080.00414.88
7.3.40.0060.00314.79
7.3.30.0080.00314.70
7.3.20.0100.00316.63
7.3.10.0060.00516.70
7.3.00.0050.00716.68
7.2.330.0140.00916.39
7.2.320.0120.01216.72
7.2.310.0080.00916.39
7.2.300.0080.00816.53
7.2.290.0150.00416.80
7.2.260.0100.00915.11
7.2.250.0050.01314.87
7.2.240.0100.00815.03
7.2.230.0080.00615.07
7.2.220.0070.01015.04
7.2.210.0090.00115.00
7.2.200.0060.00914.99
7.2.190.0070.00514.75
7.2.180.0060.00814.92
7.2.170.0020.01314.81
7.2.160.0000.01015.16
7.2.150.0080.00416.66
7.2.140.0130.00316.90
7.2.130.0070.00716.81
7.2.120.0050.00616.77
7.2.110.0050.00816.84
7.2.100.0070.00616.92
7.2.90.0080.00716.81
7.2.80.0010.01216.87
7.2.70.0030.01016.86
7.2.60.0060.00716.99
7.2.50.0050.01016.83
7.2.40.0030.00916.70
7.2.30.0050.00816.84
7.2.20.0060.00716.86
7.2.10.0080.00616.99
7.2.00.0070.00717.46
7.1.330.0060.00816.06
7.1.320.0020.01115.88
7.1.310.0040.01115.98
7.1.300.0040.00716.01
7.1.290.0050.00815.88
7.1.280.0070.00715.84
7.1.270.0070.00715.88
7.1.260.0120.00315.73
7.1.250.0050.00615.91
7.1.240.0030.01015.70
7.1.230.0060.00616.02
7.1.220.0030.01015.79
7.1.210.0040.01115.98
7.1.200.0060.00615.92
7.1.190.0000.01015.95
7.1.180.0100.00315.79
7.1.170.0000.01415.88
7.1.160.0000.01315.85
7.1.150.0040.00815.68
7.1.140.0090.00616.07
7.1.130.0070.00315.85
7.1.120.0000.01415.81
7.1.110.0000.00916.00
7.1.100.0050.00717.02
7.1.90.0060.00615.91
7.1.80.0090.00615.64
7.1.70.0050.00316.59
7.1.60.0080.00817.69
7.1.50.0080.01016.58
7.1.40.0000.01315.94
7.1.30.0060.00815.83
7.1.20.0060.00315.79
7.1.10.0040.00415.96
7.1.00.0020.04319.12
7.0.330.0000.00815.35
7.0.320.0070.00315.50
7.0.310.0060.00615.39
7.0.300.0060.00915.46
7.0.290.0000.01115.21
7.0.280.0000.01115.27
7.0.270.0030.01215.45
7.0.260.0030.01015.70
7.0.250.0030.01015.42
7.0.240.0000.00915.59
7.0.230.0060.00915.44
7.0.220.0060.00315.71
7.0.210.0090.00615.48
7.0.200.0030.00915.96
7.0.190.0040.00415.44
7.0.180.0030.00915.26
7.0.170.0110.00315.31
7.0.160.0070.00715.29
7.0.150.0090.00615.39
7.0.140.0050.04018.73
7.0.130.0130.00015.27
7.0.120.0060.00315.62
7.0.110.0060.00615.54
7.0.100.0030.01015.51
7.0.90.0000.00915.66
7.0.80.0000.01715.57
7.0.70.0110.00415.57
7.0.60.0020.04017.69
7.0.50.0100.03116.73
7.0.40.0050.02916.75
7.0.30.0300.02916.97
7.0.20.0170.03617.00
7.0.10.0100.04516.87
7.0.00.0080.04316.78
5.6.400.0000.01413.84
5.6.390.0040.01114.02
5.6.380.0030.01014.13
5.6.370.0110.00414.36
5.6.360.0090.00614.40
5.6.350.0000.01513.91
5.6.340.0070.00714.27
5.6.330.0040.01214.52
5.6.320.0030.00714.07
5.6.310.0000.01314.46
5.6.300.0040.00914.13
5.6.290.0030.01014.13
5.6.280.0030.04317.57
5.6.270.0030.01214.28
5.6.260.0030.00714.45
5.6.250.0040.00814.23
5.6.240.0060.00314.22
5.6.230.0040.01113.98
5.6.220.0100.00714.30
5.6.210.0050.02117.54
5.6.200.0070.03016.09
5.6.190.0040.02617.40
5.6.180.0130.02317.24
5.6.170.0130.02217.16
5.6.160.0020.03517.35
5.6.150.0030.04616.12
5.6.140.0030.05016.20
5.6.130.0010.02616.28
5.6.120.0130.03617.61
5.6.110.0070.03617.60
5.6.100.0030.02517.52
5.6.90.0110.03717.61
5.6.80.0110.03817.21
5.6.70.0000.01414.27
5.6.60.0030.00713.87
5.6.50.0030.00614.16
5.6.40.0040.00714.05
5.6.30.0040.01114.06
5.6.20.0090.00614.14
5.6.10.0040.00414.09
5.6.00.0130.00014.04
5.5.380.0090.00313.88
5.5.370.0090.00614.02
5.5.360.0120.00014.20
5.5.350.2220.02017.25
5.5.340.0030.04715.94
5.5.330.0030.04717.22
5.5.320.0250.04317.27
5.5.310.0120.02717.18
5.5.300.0070.04416.15
5.5.290.0030.02615.98
5.5.280.0050.02817.54
5.5.270.0060.02717.47
5.5.260.0100.04217.61
5.5.250.0040.03117.42
5.5.240.0150.04017.35
5.5.230.0040.00813.79
5.5.220.0100.00713.77
5.5.210.0100.00414.11
5.5.200.0030.01014.06
5.5.190.0060.00314.11
5.5.180.0070.00413.96
5.5.170.0030.01014.15
5.5.160.0030.00714.11
5.5.150.0030.00713.95
5.5.140.0100.00314.17
5.5.130.0130.00013.91
5.5.120.0070.00714.09
5.5.110.0040.00713.90
5.5.100.0030.01013.89
5.5.90.0060.00913.86
5.5.80.0030.01014.17
5.5.70.0080.00814.18
5.5.60.0040.00813.86
5.5.50.0000.00914.07
5.5.40.0070.00713.69
5.5.30.0040.01214.04
5.5.20.0040.00813.99
5.5.10.0000.01113.56
5.5.00.0040.00813.60
5.4.450.0160.02515.46
5.4.440.0220.02015.44
5.4.430.0120.02715.52
5.4.420.0220.02015.36
5.4.410.0070.02415.39
5.4.400.0180.02315.21
5.4.390.0250.02515.15
5.4.380.0230.03915.08
5.4.370.0250.02515.03
5.4.360.0190.03215.10
5.4.350.0220.04115.06
5.4.340.0190.03215.04
5.4.330.0060.00311.50
5.4.320.0060.02211.98
5.4.310.0040.02311.97
5.4.300.0070.01911.98
5.4.290.0060.02311.97
5.4.280.0040.02211.92
5.4.270.0040.02111.92
5.4.260.0040.02311.92
5.4.250.0100.01911.92
5.4.240.0050.02211.92
5.4.230.0060.02211.92
5.4.220.0060.02311.92
5.4.210.0070.01911.92
5.4.200.0040.02411.92
5.4.190.0070.02011.92
5.4.180.0050.02411.92
5.4.170.0050.02011.92
5.4.160.0080.02411.92
5.4.150.0060.02111.92
5.4.140.0040.02411.76
5.4.130.0070.01711.75
5.4.120.0040.02111.73
5.4.110.0040.02011.73
5.4.100.0030.02211.73
5.4.90.0040.02111.73
5.4.80.0080.02111.73
5.4.70.0050.02211.73
5.4.60.0080.01811.73
5.4.50.0030.02311.73
5.4.40.0060.02111.73
5.4.30.0040.02111.72
5.4.20.0060.02711.72
5.4.10.0070.02011.72
5.4.00.0090.01711.47
5.3.290.0040.04112.80
5.3.280.0090.03412.71
5.3.270.0030.04012.72
5.3.260.0080.04612.72
5.3.250.0030.04112.72
5.3.240.0080.03512.72
5.3.230.0040.03912.71
5.3.220.0030.03912.68
5.3.210.0060.03812.68
5.3.200.0030.04012.68
5.3.190.0050.03912.68
5.3.180.0090.03312.67
5.3.170.0060.03612.67
5.3.160.0060.03712.68
5.3.150.0060.04712.67
5.3.140.0080.03712.66
5.3.130.0070.04912.65
5.3.120.0040.04012.66
5.3.110.0090.03812.66
5.3.100.0040.04612.12
5.3.90.0050.04812.09
5.3.80.0010.04112.08
5.3.70.0070.03512.07
5.3.60.0030.03712.06
5.3.50.0040.03812.00
5.3.40.0070.03512.00
5.3.30.0070.03311.95
5.3.20.0040.03711.73
5.3.10.0060.03411.70
5.3.00.0090.03211.68
5.2.170.0030.0319.19
5.2.160.0060.0279.19
5.2.150.0040.0319.18
5.2.140.0050.0299.20
5.2.130.0080.0269.14
5.2.120.0030.0309.14
5.2.110.0070.0289.16
5.2.100.0100.0259.15
5.2.90.0070.0279.16
5.2.80.0080.0269.14
5.2.70.0080.0279.14
5.2.60.0090.0259.10
5.2.50.0070.0279.07
5.2.40.0030.0319.05
5.2.30.0050.0309.03
5.2.20.0080.0369.02
5.2.10.0060.0358.93
5.2.00.0040.0298.79
5.1.60.0020.0268.07
5.1.50.0070.0248.07
5.1.40.0060.0368.05
5.1.30.0050.0278.40
5.1.20.0040.0298.43
5.1.10.0070.0248.14
5.1.00.0070.0298.15
5.0.50.0070.0186.63
5.0.40.0060.0256.48
5.0.30.0060.0376.30
5.0.20.0050.0186.27
5.0.10.0030.0216.25
5.0.00.0040.0386.24
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0020.0164.75
4.4.50.0050.0134.77
4.4.40.0010.0264.71
4.4.30.0050.0184.76
4.4.20.0050.0214.84
4.4.10.0040.0214.84
4.4.00.0030.0334.75
4.3.110.0010.0244.67
4.3.100.0030.0224.66
4.3.90.0030.0224.63
4.3.80.0010.0294.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0163.30
4.3.20.0010.0173.27
4.3.10.0020.0163.23
4.3.00.0100.01715.98

preferences:
67.06 ms | 400 KiB | 5 Q