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)
8.3.60.0070.00718.56
8.3.50.0080.00822.89
8.3.40.0090.00618.76
8.3.30.0030.01019.09
8.3.20.0040.00420.34
8.3.10.0040.00423.66
8.3.00.0000.00819.23
8.2.180.0120.00316.75
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00421.16
8.2.110.0060.00322.20
8.2.100.0040.00817.84
8.2.90.0030.00818.92
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0040.00417.68
8.2.50.0030.00618.07
8.2.40.0040.00417.97
8.2.30.0000.00917.97
8.2.20.0050.00217.59
8.2.10.0040.00417.90
8.2.00.0040.00417.64
8.1.280.0120.00325.92
8.1.270.0030.00523.89
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00323.72
8.1.230.0040.00719.13
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.13
8.1.190.0030.00617.25
8.1.180.0080.00018.10
8.1.170.0080.00018.70
8.1.160.0050.00221.96
8.1.150.0000.00718.66
8.1.140.0070.00417.52
8.1.130.0000.00717.80
8.1.120.0040.00417.48
8.1.110.0040.00417.52
8.1.100.0040.00417.48
8.1.90.0030.00717.38
8.1.80.0000.00717.38
8.1.70.0000.00717.43
8.1.60.0000.00717.52
8.1.50.0080.00017.44
8.1.40.0000.00817.59
8.1.30.0000.00817.61
8.1.20.0040.00417.70
8.1.10.0040.00417.50
8.1.00.0000.00917.54
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0050.00218.34
8.0.270.0030.00317.16
8.0.260.0060.00017.06
8.0.250.0030.00316.87
8.0.240.0080.00017.00
8.0.230.0030.00516.97
8.0.220.0030.00316.82
8.0.210.0050.00216.84
8.0.200.0000.00717.04
8.0.190.0040.00416.99
8.0.180.0070.00016.94
8.0.170.0040.00416.99
8.0.160.0040.00416.79
8.0.150.0040.00416.91
8.0.140.0050.00216.77
8.0.130.0040.00413.30
8.0.120.0040.00416.79
8.0.110.0040.00416.85
8.0.100.0000.00816.93
8.0.90.0070.00016.87
8.0.80.0100.00616.88
8.0.70.0040.00416.82
8.0.60.0050.00316.91
8.0.50.0030.00316.88
8.0.30.0120.00717.16
8.0.20.0060.01617.40
8.0.10.0000.00716.95
8.0.00.0090.01116.82
7.4.330.0000.00615.11
7.4.320.0000.00616.68
7.4.300.0060.00016.56
7.4.290.0030.00316.67
7.4.280.0080.00016.65
7.4.270.0000.00816.73
7.4.260.0030.00516.53
7.4.250.0070.00016.51
7.4.240.0070.00016.60
7.4.230.0040.00416.59
7.4.220.0200.00016.61
7.4.210.0080.00716.70
7.4.200.0000.00716.79
7.4.160.0140.00616.68
7.4.150.0100.00717.40
7.4.140.0140.00417.86
7.4.130.0070.01116.58
7.4.120.0080.01116.66
7.4.110.0070.01016.51
7.4.100.0120.00616.46
7.4.90.0130.00616.54
7.4.80.0070.01319.39
7.4.70.0070.01116.33
7.4.60.0190.00016.59
7.4.50.0000.00816.69
7.4.40.0050.01216.44
7.4.30.0030.01316.49
7.4.10.0130.00614.96
7.4.00.0020.01414.86
7.3.330.0080.00013.21
7.3.320.0000.00613.21
7.3.310.0000.00616.29
7.3.300.0000.00716.29
7.3.290.0070.00716.25
7.3.280.0050.01016.29
7.3.270.0150.00317.40
7.3.260.0170.00016.39
7.3.250.0100.00616.41
7.3.240.0140.00316.32
7.3.230.0070.01016.39
7.3.210.0030.01416.50
7.3.200.0130.01019.39
7.3.190.0190.00316.39
7.3.180.0130.00316.43
7.3.170.0110.00516.52
7.3.160.0100.01316.29
7.3.130.0100.01014.82
7.3.120.0040.01014.55
7.3.110.0140.00414.53
7.3.100.0000.01414.66
7.3.90.0100.00714.93
7.3.80.0120.00014.95
7.3.70.0030.01414.81
7.3.60.0110.00414.89
7.3.50.0000.01514.89
7.3.40.0030.01014.67
7.3.30.0040.01214.89
7.3.20.0110.00316.55
7.3.10.0040.01116.45
7.3.00.0080.00616.54
7.2.330.0120.00616.67
7.2.320.0100.01016.66
7.2.310.0070.01016.73
7.2.300.0090.00616.50
7.2.290.0030.01316.66
7.2.260.0070.01315.14
7.2.250.0110.00714.82
7.2.240.0070.00314.81
7.2.230.0030.01315.00
7.2.220.0090.00615.10
7.2.210.0080.00414.99
7.2.200.0090.00614.99
7.2.190.0070.01014.84
7.2.180.0040.01215.14
7.2.170.0070.01014.94
7.2.160.0070.00315.16
7.2.150.0110.00416.77
7.2.140.0000.01216.83
7.2.130.0120.00616.85
7.2.120.0100.00616.78
7.2.110.0150.00816.76
7.2.100.0090.01216.71
7.2.90.0110.01016.67
7.2.80.0100.00916.82
7.2.70.0070.01516.54
7.2.60.0080.00916.67
7.2.50.0120.00816.87
7.2.40.0140.01016.70
7.2.30.0100.00816.68
7.2.20.0080.01416.78
7.2.10.0060.00816.68
7.2.00.0090.00917.65
7.1.330.0030.01316.02
7.1.320.0030.01215.94
7.1.310.0080.00815.92
7.1.300.0070.00715.95
7.1.290.0030.00615.64
7.1.280.0000.01015.74
7.1.270.0040.00415.96
7.1.260.0030.00916.04
7.1.250.0020.01615.71
7.1.240.0060.00615.79
7.1.230.0060.01015.57
7.1.220.0140.00015.62
7.1.210.0060.00615.74
7.1.200.0040.00816.05
7.1.190.0000.01816.00
7.1.180.0100.00316.00
7.1.170.0070.01015.85
7.1.160.0000.01515.90
7.1.150.0060.00815.82
7.1.140.0000.01715.94
7.1.130.0070.00715.71
7.1.120.0040.00416.01
7.1.110.0100.00315.91
7.1.100.0030.01217.19
7.1.90.0000.01716.08
7.1.80.0000.01615.94
7.1.70.0060.00416.75
7.1.60.0050.01017.64
7.1.50.0090.00816.38
7.1.40.0030.00615.93
7.1.30.0040.00815.68
7.1.20.0070.00715.96
7.1.10.0130.00315.88
7.1.00.0080.03719.19
7.0.330.0090.00015.71
7.0.320.0080.00315.33
7.0.310.0050.00515.60
7.0.300.0030.01015.75
7.0.290.0000.01115.63
7.0.280.0030.01515.60
7.0.270.0060.00615.58
7.0.260.0030.00715.68
7.0.250.0070.01015.26
7.0.240.0030.01015.61
7.0.230.0040.01115.59
7.0.220.0030.00615.42
7.0.210.0070.00715.68
7.0.200.0030.00616.03
7.0.190.0000.01415.36
7.0.180.0030.01015.30
7.0.170.0000.00815.68
7.0.160.0060.00615.22
7.0.150.0060.00815.27
7.0.140.0040.04218.82
7.0.130.0030.00815.35
7.0.120.0050.00515.55
7.0.110.0000.01415.49
7.0.100.0030.00715.53
7.0.90.0090.00615.70
7.0.80.0110.04117.75
7.0.70.0330.04717.62
7.0.60.0150.03917.73
7.0.50.0100.02718.03
7.0.40.0050.04016.79
7.0.30.0080.04516.82
7.0.20.0080.04116.83
7.0.10.0070.04516.87
7.0.00.0050.04416.76
5.6.400.0060.00914.28
5.6.390.0030.00614.21
5.6.380.0060.00914.30
5.6.370.0110.00314.08
5.6.360.0030.01014.08
5.6.350.0000.01114.13
5.6.340.0030.01014.01
5.6.330.0000.00913.98
5.6.320.0000.01414.43
5.6.310.0000.01414.09
5.6.300.0070.00714.05
5.6.290.0060.00814.09
5.6.280.0050.04117.47
5.6.270.0040.01214.52
5.6.260.0090.00314.12
5.6.250.0000.01314.25
5.6.240.0030.00914.25
5.6.230.0110.04017.50
5.6.220.0070.04517.33
5.6.210.0060.03317.48
5.6.200.0080.04317.58
5.6.190.0100.03917.58
5.6.180.0050.03217.68
5.6.170.0040.03517.73
5.6.160.0090.05417.78
5.6.150.0080.04517.54
5.6.140.0020.02917.48
5.6.130.0070.02817.67
5.6.120.0130.04017.60
5.6.110.0070.04217.72
5.6.100.0020.03317.65
5.6.90.0060.03017.70
5.6.80.0070.03517.32
5.6.70.0060.02617.09
5.6.60.0080.04017.22
5.6.50.0050.03717.34
5.6.40.0030.03217.19
5.6.30.0100.04417.15
5.6.20.0090.02817.24
5.6.10.0050.03817.15
5.6.00.0060.03317.10
5.5.380.0060.00614.13
5.5.370.0050.04217.36
5.5.360.0080.02317.33
5.5.350.0050.03017.18
5.5.340.0070.04617.47
5.5.330.0090.04217.48
5.5.320.0070.04317.33
5.5.310.0090.04117.46
5.5.300.0050.03117.31
5.5.290.0060.04017.50
5.5.280.0120.03817.48
5.5.270.0110.04217.42
5.5.260.0080.04317.42
5.5.250.0090.03917.37
5.5.240.0080.03617.20
5.5.230.0050.04217.19
5.5.220.0050.04017.16
5.5.210.0080.04317.15
5.5.200.0050.04117.04
5.5.190.0050.04517.03
5.5.180.0050.04817.21
5.5.170.0110.00714.13
5.5.160.0060.04117.24
5.5.150.0050.02417.22
5.5.140.0100.02217.16
5.5.130.0080.02017.10
5.5.120.0080.03417.14
5.5.110.0050.02717.14
5.5.100.0100.02017.14
5.5.90.0060.02317.05
5.5.80.0080.02017.21
5.5.70.0030.02316.88
5.5.60.0020.02717.07
5.5.50.0070.01816.92
5.5.40.0050.01817.09
5.5.30.0080.02116.97
5.5.20.0060.02317.15
5.5.10.0090.03017.05
5.5.00.0080.02617.04
5.4.450.0100.03615.89
5.4.440.0050.04215.88
5.4.430.0070.02415.93
5.4.420.0080.02815.86
5.4.410.0050.03815.82
5.4.400.0050.03215.68
5.4.390.0060.02215.71
5.4.380.0030.02715.77
5.4.370.0060.03715.76
5.4.360.0070.03215.78
5.4.350.0080.03915.76
5.4.340.0040.02815.63
5.4.330.0040.00712.46
5.4.320.0050.03215.79
5.4.310.0020.02315.75
5.4.300.0050.02115.81
5.4.290.0030.02315.79
5.4.280.0030.02315.72
5.4.270.0050.02015.67
5.4.260.0070.02415.64
5.4.250.0100.01515.80
5.4.240.0050.03215.74
5.4.230.0030.02115.63
5.4.220.0050.02115.78
5.4.210.0070.01515.77
5.4.200.0020.02515.71
5.4.190.0050.01815.61
5.4.180.0050.02015.80
5.4.170.0080.01615.78
5.4.160.0030.02215.73
5.4.150.0030.02215.79
5.4.140.0020.02314.42
5.4.130.0050.02514.45
5.4.120.0060.01814.45
5.4.110.0050.01814.39
5.4.100.0020.02014.37
5.4.90.0020.02014.43
5.4.80.0030.02014.41
5.4.70.0020.02814.40
5.4.60.0050.02214.40
5.4.50.0080.01514.43
5.4.40.0100.01714.45
5.4.30.0050.02314.34
5.4.20.0050.03014.34
5.4.10.0030.02514.42
5.4.00.0060.02114.27
5.3.290.0070.07016.08
5.3.280.0030.04316.08
5.3.270.0100.03016.08
5.3.260.0000.04016.08
5.3.250.0030.03316.08
5.3.240.0100.03316.08
5.3.230.0070.03716.08
5.3.220.0030.03016.08
5.3.210.0030.03716.08
5.3.200.0100.03016.08
5.3.190.0000.04016.08
5.3.180.0000.04016.08
5.3.170.0030.03716.08
5.3.160.0070.05016.08
5.3.150.0030.03716.08
5.3.140.0100.03016.08
5.3.130.0070.03316.08
5.3.120.0000.04716.08
5.3.110.0070.03716.08
5.3.100.0070.03716.08
5.3.90.0000.04016.08
5.3.80.0000.04016.08
5.3.70.0030.03716.08
5.3.60.0100.04716.08
5.3.50.0030.03716.08
5.3.40.0030.03716.08
5.3.30.0030.03016.08
5.3.20.0030.03316.08
5.3.10.0030.03016.08
5.3.00.0030.03716.08
5.2.170.0000.03316.08
5.2.160.0000.03016.08
5.2.150.0030.02716.08
5.2.140.0030.02716.08
5.2.130.0000.03016.08
5.2.120.0000.03016.08
5.2.110.0070.02016.08
5.2.100.0000.02716.08
5.2.90.0000.03316.08
5.2.80.0000.03016.08
5.2.70.0000.03016.08
5.2.60.0000.03016.08
5.2.50.0030.05316.08
5.2.40.0030.02316.08
5.2.30.0030.02316.08
5.2.20.0030.02316.08
5.2.10.0030.02316.08
5.2.00.0030.06016.08
5.1.60.0030.02016.08
5.1.50.0070.05016.08
5.1.40.0070.04716.08
5.1.30.0000.02716.08
5.1.20.0100.04716.08
5.1.10.0000.04016.08
5.1.00.0030.05316.08
5.0.50.0000.02716.08
5.0.40.0030.03716.08
5.0.30.0030.05316.08
5.0.20.0030.04016.08
5.0.10.0070.02016.08
5.0.00.0030.03316.08
4.4.90.0000.01316.08
4.4.80.0000.01316.08
4.4.70.0000.01316.08
4.4.60.0070.03016.08
4.4.50.0000.03716.08
4.4.40.0000.05316.08
4.4.30.0000.02716.08
4.4.20.0000.01316.08
4.4.10.0000.02316.08
4.4.00.0030.05316.08
4.3.110.0000.03716.08
4.3.100.0000.03016.08
4.3.90.0000.01716.08
4.3.80.0030.02316.08
4.3.70.0000.03316.08
4.3.60.0000.02316.08
4.3.50.0070.03016.08
4.3.40.0000.04316.08
4.3.30.0000.02316.08
4.3.20.0030.01716.08
4.3.10.0000.01716.08
4.3.00.0000.01716.08

preferences:
43.62 ms | 401 KiB | 5 Q