3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "PDOConnectionFactoryDB7"; $upper = '[A-Z]'; $lower = '[a-z]'; $numeric = '[0-9]'; $regex = "(^({$upper}{$lower}+" /* <-- Connection and Factory */ . "|{$upper}+(?!{$upper})" /* <-- PDO and DB */ . "|{$numeric}+" /* <-- 7 */ .")$)"; preg_match_all($regex, $str, $matches); var_dump($matches);

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)
8.3.60.0150.00016.63
8.3.50.0250.00922.07
8.3.40.0210.00018.96
8.3.30.0000.01419.09
8.3.20.0050.00320.29
8.3.10.0040.00423.53
8.3.00.0060.00319.50
8.2.180.0070.00716.63
8.2.170.0140.00722.96
8.2.160.0100.00720.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00322.10
8.2.110.0030.00622.13
8.2.100.0040.00817.83
8.2.90.0040.00419.23
8.2.80.0060.00317.97
8.2.70.0060.00617.88
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0070.00018.12
8.2.20.0000.00717.73
8.2.10.0000.00718.25
8.2.00.0070.00417.83
8.1.280.0100.00725.92
8.1.270.0050.00322.12
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.84
8.1.230.0060.00619.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.53
8.1.180.0060.00318.10
8.1.170.0060.00318.78
8.1.160.0040.00422.05
8.1.150.0040.00418.79
8.1.140.0040.00417.67
8.1.130.0030.00317.88
8.1.120.0000.00817.65
8.1.110.0040.00417.50
8.1.100.0050.00317.68
8.1.90.0040.00417.58
8.1.80.0000.00717.65
8.1.70.0070.00017.56
8.1.60.0040.00417.75
8.1.50.0050.00317.61
8.1.40.0080.00017.59
8.1.30.0040.00417.73
8.1.20.0050.00317.64
8.1.10.0000.00817.65
8.1.00.0000.00917.59
8.0.300.0070.00018.77
8.0.290.0040.00417.17
8.0.280.0070.00018.46
8.0.270.0070.00017.23
8.0.260.0050.00317.34
8.0.250.0000.00717.02
8.0.240.0060.00317.08
8.0.230.0000.00717.10
8.0.220.0070.00017.00
8.0.210.0050.00316.95
8.0.200.0030.00316.97
8.0.190.0030.00617.14
8.0.180.0070.00017.00
8.0.170.0050.00316.95
8.0.160.0030.00317.00
8.0.150.0070.00016.99
8.0.140.0000.00816.96
8.0.130.0040.00413.43
8.0.120.0030.00617.03
8.0.110.0040.00417.00
8.0.100.0050.00316.93
8.0.90.0040.00416.86
8.0.80.0060.00917.11
8.0.70.0040.00417.05
8.0.60.0000.00716.91
8.0.50.0050.00217.01
8.0.30.0150.00417.31
8.0.20.0110.00717.40
8.0.10.0040.00416.90
8.0.00.0100.00716.90
7.4.330.0030.00315.00
7.4.320.0040.00416.82
7.4.300.0060.00016.61
7.4.290.0030.00316.79
7.4.280.0000.00716.81
7.4.270.0000.00816.71
7.4.260.0070.00016.69
7.4.250.0000.00716.67
7.4.240.0040.00416.77
7.4.230.0070.00016.85
7.4.220.0120.00616.80
7.4.210.0060.00916.74
7.4.200.0000.00716.57
7.4.190.0030.00316.76
7.4.160.0060.01016.53
7.4.150.0160.00217.40
7.4.140.0070.01017.86
7.4.130.0070.00916.70
7.4.120.0020.01616.63
7.4.110.0060.01216.63
7.4.100.0150.00616.69
7.4.90.0030.01416.74
7.4.80.0030.01319.39
7.4.70.0110.00516.53
7.4.60.0090.00916.53
7.4.50.0050.00316.76
7.4.40.0110.00722.77
7.4.30.0030.01316.60
7.4.00.0070.00715.18
7.3.330.0000.00613.15
7.3.320.0050.00013.33
7.3.310.0040.00416.55
7.3.300.0000.00716.39
7.3.290.0100.00316.35
7.3.280.0060.00916.38
7.3.270.0100.01417.40
7.3.260.0100.00716.75
7.3.250.0090.00816.62
7.3.240.0110.01416.38
7.3.230.0000.01616.50
7.3.210.0100.00716.41
7.3.200.0110.01119.39
7.3.190.0100.00716.70
7.3.180.0030.01416.67
7.3.170.0070.01116.43
7.3.160.0030.01316.55
7.3.120.0070.00715.24
7.2.330.0150.00416.81
7.2.320.0130.00916.88
7.2.310.0060.01216.47
7.2.300.0130.00316.55
7.2.290.0040.01216.45
7.2.00.0080.00319.61
7.1.100.0000.00818.20
7.1.70.0140.00317.02
7.1.60.0130.01319.33
7.1.50.0090.01217.09
7.1.00.0000.08022.33
7.0.200.0070.00416.88
7.0.140.0000.07722.23
7.0.60.0130.07319.80
7.0.50.0070.08017.95
7.0.40.0030.08720.27
7.0.30.0170.05020.20
7.0.20.0270.07720.05
7.0.10.0000.09320.18
7.0.00.0130.08020.34
5.6.280.0030.07020.86
5.6.210.0170.07020.65
5.6.200.0070.03718.13
5.6.190.0200.07320.35
5.6.180.0200.06320.41
5.6.170.0330.07020.50
5.6.160.0070.08020.41
5.6.150.0000.08718.18
5.6.140.0130.05318.15
5.6.130.0000.04318.13
5.6.120.0000.06320.98
5.6.110.0170.07321.11
5.6.100.0000.06320.98
5.6.90.0130.08020.97
5.6.80.0170.06720.39
5.5.350.0030.04020.49
5.5.340.0070.03717.95
5.5.330.0000.08320.57
5.5.320.0230.05020.20
5.5.310.0400.07020.30
5.5.300.0030.05018.02
5.5.290.0000.08017.95
5.5.280.0030.06320.88
5.5.270.0130.05320.83
5.5.260.0030.04020.84
5.5.250.0070.08020.79
5.5.240.0100.07020.14
5.4.450.0400.06719.50
5.4.440.0200.04719.41
5.4.430.0400.06319.11
5.4.420.0230.05019.58
5.4.410.0370.06319.41
5.4.400.0230.06719.07
5.4.390.0170.04319.16
5.4.380.0200.05018.80
5.4.370.0200.06719.21
5.4.360.0230.05319.21
5.4.350.0330.06719.25
5.4.340.0430.05019.16
5.4.320.0300.06319.24
5.4.310.0270.07319.13
5.4.300.0370.05719.25
5.4.290.0300.04319.16
5.4.280.0400.06718.79
5.4.270.0230.04718.88
5.4.260.0230.07018.81
5.4.250.0270.04719.21
5.4.240.0130.07719.05
5.4.230.0200.05319.15
5.4.220.0230.03319.21
5.4.210.0170.04018.91
5.4.200.0230.07319.24
5.4.190.0300.05319.04
5.4.180.0300.04318.91
5.4.170.0170.06018.87
5.4.160.0300.06319.22
5.4.150.0230.04719.05
5.4.140.0230.07016.33
5.4.130.0270.07016.18
5.4.120.0230.06716.16
5.4.110.0270.07016.41
5.4.100.0300.06716.20
5.4.90.0370.04716.41
5.4.80.0300.06716.38
5.4.70.0230.07016.20
5.4.60.0330.03716.36
5.4.50.0300.06016.43
5.4.40.0170.03716.20
5.4.30.0200.05316.17
5.4.20.0270.07316.38
5.4.10.0300.04316.03
5.4.00.0300.06315.88
5.3.290.0300.06714.64
5.3.280.0200.04714.68
5.3.270.0270.06014.46
5.3.260.0230.04314.43
5.3.250.0230.05714.56
5.3.240.0270.07014.55
5.3.230.0230.04714.57
5.3.220.0200.05014.44
5.3.210.0270.07014.50
5.3.200.0270.07314.65
5.3.190.0230.03714.43
5.3.180.0430.05714.41
5.3.170.0270.07014.43
5.3.160.0300.06714.39
5.3.150.0300.06714.46
5.3.140.0200.03714.40
5.3.130.0300.04314.40
5.3.120.0300.07714.53
5.3.110.0300.06314.39
5.3.100.0270.06313.99
5.3.90.0270.06713.89
5.3.80.0230.04713.91
5.3.70.0270.06713.89
5.3.60.0270.06713.88
5.3.50.0370.03014.04
5.3.40.0200.07313.88
5.3.30.0200.07313.96
5.3.20.0370.05313.46
5.3.10.0270.04713.50
5.3.00.0270.06713.58
5.2.170.0270.05712.11
5.2.160.0270.05712.11
5.2.150.0270.04712.11
5.2.140.0170.04312.11
5.2.130.0300.05312.11
5.2.120.0230.03712.11
5.2.110.0300.05312.11
5.2.100.0270.05012.11
5.2.90.0270.03312.11
5.2.80.0300.05312.11
5.2.70.0300.05312.11
5.2.60.0170.04012.11
5.2.50.0170.03712.11
5.2.40.0170.05012.11
5.2.30.0170.05712.11
5.2.20.0100.04312.11
5.2.10.0230.05312.11
5.2.00.0170.04712.11
5.1.60.0130.05012.11
5.1.50.0170.03012.11
5.1.40.0200.04312.11
5.1.30.0200.05312.11
5.1.20.0100.06012.11
5.1.10.0170.05312.11
5.1.00.0230.04312.11
5.0.50.0070.05012.11
5.0.40.0100.02712.11
5.0.30.0170.06012.11
5.0.20.0100.03712.11
5.0.10.0130.03012.11
5.0.00.0130.04712.11
4.4.90.0100.02312.11
4.4.80.0100.03312.11
4.4.70.0000.04012.11
4.4.60.0100.03712.11
4.4.50.0130.03312.11
4.4.40.0070.04312.11
4.4.30.0070.03712.11
4.4.20.0030.04012.11
4.4.10.0100.03012.11
4.4.00.0130.05312.11
4.3.110.0070.02712.11
4.3.100.0130.02712.11
4.3.90.0070.02012.11
4.3.80.0130.04712.11
4.3.70.0100.01712.11
4.3.60.0130.03012.11
4.3.50.0100.03012.11
4.3.40.0130.02712.11
4.3.30.0030.03312.11
4.3.20.0070.03012.11
4.3.10.0030.03012.11
4.3.00.0070.02712.11

preferences:
49.67 ms | 400 KiB | 5 Q