3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "something use Modules\Cms\Classes\Content; use Modules\Cms\Classes\Theme; use Modules\System\Classes\ApplicationException; use Modules\Cms\Classes\Router; class ... "; $namespaces = array(); preg_match_all('/(use\s+[a-z0-9_\\\]+;)/mi', $body, $namespaces); print_r($namespaces);

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)
8.3.40.0090.00618.92
8.3.30.0110.00418.95
8.3.20.0130.00720.16
8.3.10.0050.00323.47
8.3.00.0050.00320.95
8.2.170.0070.00722.96
8.2.160.0000.01420.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.01026.16
8.2.120.0040.00419.40
8.2.110.0030.00622.45
8.2.100.0090.00320.44
8.2.90.0030.00619.09
8.2.80.0050.00317.97
8.2.70.0090.00017.59
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0060.00319.95
8.2.30.0000.00818.32
8.2.20.0050.00317.80
8.2.10.0030.00617.90
8.2.00.0050.00217.80
8.1.270.0040.00423.84
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.89
8.1.230.0040.00719.07
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0000.00817.48
8.1.190.0000.01017.35
8.1.180.0000.00818.10
8.1.170.0040.00418.34
8.1.160.0050.00321.98
8.1.150.0040.00418.73
8.1.140.0000.00717.55
8.1.130.0080.00019.55
8.1.120.0040.00417.55
8.1.110.0060.00317.46
8.1.100.0040.00417.45
8.1.90.0030.00317.56
8.1.80.0040.00417.62
8.1.70.0050.00317.48
8.1.60.0040.00417.71
8.1.50.0000.00917.52
8.1.40.0030.00617.62
8.1.30.0000.00917.75
8.1.20.0080.00017.76
8.1.10.0000.00817.66
8.1.00.0000.00717.57
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0040.00418.29
8.0.270.0000.00717.22
8.0.260.0030.00317.22
8.0.250.0060.00017.04
8.0.240.0040.00417.07
8.0.230.0030.00316.91
8.0.220.0040.00416.90
8.0.210.0080.00016.85
8.0.200.0060.00016.91
8.0.190.0080.00017.09
8.0.180.0000.00817.03
8.0.170.0040.00416.99
8.0.160.0000.00717.04
8.0.150.0030.00316.81
8.0.140.0040.00416.94
8.0.130.0030.00313.42
8.0.120.0040.00416.84
8.0.110.0050.00316.89
8.0.100.0040.00416.96
8.0.90.0020.00516.81
8.0.80.0120.00316.91
8.0.70.0000.00716.98
8.0.60.0000.00716.85
8.0.50.0000.00716.88
8.0.30.0070.01517.24
8.0.20.0120.00717.40
8.0.10.0040.00417.13
8.0.00.0100.00916.89
7.4.330.0020.00215.04
7.4.320.0030.00316.64
7.4.300.0070.00016.68
7.4.290.0000.01016.59
7.4.280.0000.00716.57
7.4.270.0030.00316.78
7.4.260.0030.00316.65
7.4.250.0020.00516.62
7.4.240.0000.00716.72
7.4.230.0030.00316.69
7.4.220.0060.01216.83
7.4.210.0150.00016.87
7.4.200.0070.00016.79
7.4.160.0110.00416.55
7.4.150.0120.00917.40
7.4.140.0140.00517.86
7.4.130.0090.00816.46
7.4.120.0090.01016.75
7.4.110.0160.00616.60
7.4.100.0060.01016.54
7.4.90.0120.00616.64
7.4.80.0090.01319.39
7.4.70.0170.00016.49
7.4.60.0070.01116.71
7.4.50.0000.00416.62
7.4.40.0130.00316.61
7.4.30.0110.01016.65
7.4.00.0030.01314.97
7.3.330.0060.00013.19
7.3.320.0000.00613.13
7.3.310.0000.00716.13
7.3.300.0000.00716.29
7.3.290.0030.01016.28
7.3.280.0080.01016.26
7.3.270.0140.00317.40
7.3.260.0120.00616.38
7.3.250.0120.00816.44
7.3.240.0140.00516.41
7.3.230.0070.01016.39
7.3.210.0090.00916.61
7.3.200.0150.00319.39
7.3.190.0060.01616.48
7.3.180.0070.01016.54
7.3.170.0080.00816.54
7.3.160.0080.00816.71
7.3.120.0080.00814.94
7.2.330.0140.00316.48
7.2.320.0070.01716.61
7.2.310.0030.01316.48
7.2.300.0000.01916.68
7.2.290.0040.01416.48
7.1.70.0110.01116.97
7.1.60.0030.01619.70
7.1.50.0140.01017.06
7.1.00.0100.07022.38
7.0.200.0070.00316.98
7.0.140.0000.07722.09
7.0.100.0030.05720.04
7.0.90.0130.07720.01
7.0.80.0070.06319.82
7.0.70.0370.04319.89
7.0.60.0170.04319.92
7.0.50.0030.08720.25
7.0.40.0130.05020.15
7.0.30.0030.08320.11
7.0.20.0130.06320.10
7.0.10.0070.05020.18
7.0.00.0030.06020.17
5.6.280.0070.07020.85
5.6.250.0000.04720.53
5.6.240.0070.04020.69
5.6.230.0030.08320.50
5.6.220.0130.05720.73
5.6.210.0070.07720.56
5.6.200.0070.08021.05
5.6.190.0070.08721.03
5.6.180.0000.06721.17
5.6.170.0100.05021.13
5.6.160.0000.04321.10
5.6.150.0100.04320.99
5.6.140.0070.04321.05
5.6.130.0130.07321.13
5.6.120.0000.07321.05
5.6.110.0030.04020.91
5.6.100.0030.03721.04
5.6.90.0070.05721.11
5.6.80.0070.06020.40
5.6.70.0100.03320.45
5.6.60.0030.07720.47
5.6.50.0100.05020.46
5.6.40.0070.04320.46
5.6.30.0030.04720.29
5.6.20.0070.07720.34
5.6.10.0070.07720.45
5.6.00.0100.05020.30
5.5.380.0070.06720.36
5.5.370.0100.07720.41
5.5.360.0030.06320.50
5.5.350.0000.04720.36
5.5.340.0030.09020.79
5.5.330.0070.08320.93
5.5.320.0030.04320.92
5.5.310.0070.08020.86
5.5.300.0100.05320.91
5.5.290.0170.07020.88
5.5.280.0030.08320.87
5.5.270.0100.06720.86
5.5.260.0000.04320.79
5.5.250.0000.04320.68
5.5.240.0030.04720.21
5.5.230.0030.05320.26
5.5.220.0030.04020.20
5.5.210.0100.07320.11
5.5.200.0000.07320.21
5.5.190.0030.04020.20
5.5.180.0130.03020.23
5.5.160.0130.06020.11
5.5.150.0030.03720.14
5.5.140.0000.07320.16
5.5.130.0070.03320.14
5.5.120.0200.05020.18
5.5.110.0030.08020.23
5.5.100.0030.05020.05
5.5.90.0030.03720.04
5.5.80.0000.04020.06
5.5.70.0070.03320.02
5.5.60.0100.07720.09
5.5.50.0100.03019.92
5.5.40.0000.04020.03
5.5.30.0070.07019.88
5.5.20.0070.03720.14
5.5.10.0130.02720.05
5.5.00.0070.03720.02
5.4.450.0070.03719.36
5.4.440.0100.07319.56
5.4.430.0070.04019.48
5.4.420.0100.06319.37
5.4.410.0170.07019.07
5.4.400.0070.07718.95
5.4.390.0070.06719.09
5.4.380.0070.06719.18
5.4.370.0100.05719.04
5.4.360.0170.07019.05
5.4.350.0070.03719.14
5.4.340.0070.06019.04
5.4.320.0100.03719.21
5.4.310.0030.03319.21
5.4.300.0070.08018.90
5.4.290.0070.04019.16
5.4.280.0030.05319.04
5.4.270.0070.03019.18
5.4.260.0000.08019.16
5.4.250.0030.06019.18
5.4.240.0000.07319.18
5.4.230.0070.06718.94
5.4.220.0030.04319.08
5.4.210.0070.07319.13
5.4.200.0000.04319.18
5.4.190.0070.07318.89
5.4.180.0070.04019.22
5.4.170.0030.03719.15
5.4.160.0100.03319.19
5.4.150.0230.05319.14
5.4.140.0070.03716.43
5.4.130.0070.03016.20
5.4.120.0100.02716.46
5.4.110.0030.03716.53
5.4.100.0030.03316.34
5.4.90.0130.02716.38
5.4.80.0030.03316.35
5.4.70.0030.04016.50
5.4.60.0030.03016.32
5.4.50.0170.02316.31
5.4.40.0030.03016.49
5.4.30.0070.03016.29
5.4.20.0000.03716.45
5.4.10.0030.03316.40
5.4.00.0030.03015.80
5.3.290.0070.03714.78
5.3.280.0030.05014.70
5.3.270.0030.03714.66
5.3.260.0100.05314.69
5.3.250.0000.03714.71
5.3.240.0000.04014.62
5.3.230.0000.04014.61
5.3.220.0030.03714.57
5.3.210.0030.03714.57
5.3.200.0000.04014.49
5.3.190.0100.03014.62
5.3.180.0030.03714.69
5.3.170.0030.03714.57
5.3.160.0000.03714.54
5.3.150.0000.03314.51
5.3.140.0000.03314.50
5.3.130.0000.03314.54
5.3.120.0070.03314.56
5.3.110.0000.04314.52
5.3.100.0030.03714.00
5.3.90.0000.03314.03
5.3.80.0000.04013.92
5.3.70.0070.03313.93
5.3.60.0000.03314.10
5.3.50.0030.03014.00
5.3.40.0030.03013.85
5.3.30.0000.04013.89
5.3.20.0000.03313.79
5.3.10.0070.02313.66
5.3.00.0000.04013.77
5.2.170.0030.03011.20
5.2.160.0030.02711.14
5.2.150.0030.02711.01
5.2.140.0000.02711.05
5.2.130.0030.02311.13
5.2.120.0100.01710.95
5.2.110.0000.02711.20
5.2.100.0070.02311.04
5.2.90.0070.02011.23
5.2.80.0100.02310.96
5.2.70.0030.02311.14
5.2.60.0030.02310.96
5.2.50.0100.01711.07
5.2.40.0030.02310.91
5.2.30.0030.02311.11
5.2.20.0070.04311.05
5.2.10.0070.02010.91
5.2.00.0030.02310.84
5.1.60.0030.02010.04
5.1.50.0000.0239.99
5.1.40.0070.01710.05
5.1.30.0000.03010.40
5.1.20.0000.02710.36
5.1.10.0000.02310.05
5.1.00.0030.02310.09
5.0.50.0000.0178.55
5.0.40.0030.0208.42
5.0.30.0000.0338.29
5.0.20.0070.0138.29
5.0.10.0030.0208.29
5.0.00.0030.0238.29
4.4.90.0000.0138.29
4.4.80.0000.0138.29
4.4.70.0000.0178.29
4.4.60.0000.0138.29
4.4.50.0000.0138.29
4.4.40.0000.0238.29
4.4.30.0000.0138.29
4.4.20.0030.0108.29
4.4.10.0030.0108.29
4.4.00.0000.0238.29
4.3.110.0000.0178.29
4.3.100.0000.0178.29
4.3.90.0000.0138.29
4.3.80.0030.0208.29
4.3.70.0030.0108.29
4.3.60.0030.0138.29
4.3.50.0000.0138.29
4.3.40.0000.0208.29
4.3.30.0000.0138.29
4.3.20.0000.0138.29
4.3.10.0000.0138.29
4.3.00.0000.0138.29

preferences:
50.9 ms | 400 KiB | 5 Q