3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo\bar; function get_declared_classes($in_namespace = null) { if ($in_namespace === null) { yield get_declared_classes(); } if ($in_namespace{0} == '\\') { $in_namespace = substr($in_namespace, 1); } if (substr($in_namespace, -1) != '\\') { $in_namespace .= '\\'; } $classes = get_declared_classes(); $filter = new RegexIterator(new ArrayIterator($classes), '/^' .preg_quote($in_namespace). '.*$'); foreach ($filter as $class) { yield $class; } } foreach (get_declared_classes("foo\\bar") as $class) { var_dump($class); }

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)
8.3.60.0060.00918.27
8.3.50.0140.00718.17
8.3.40.0140.00018.67
8.3.30.0070.00718.72
8.3.20.0050.00220.39
8.3.10.0040.00423.47
8.3.00.0040.00419.38
8.2.180.0120.00916.50
8.2.170.0080.00622.96
8.2.160.0100.00320.38
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0030.00617.36
8.2.120.0060.00326.35
8.2.110.0030.00622.06
8.2.100.0040.00817.59
8.2.90.0040.00418.97
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0080.00017.79
8.2.50.0000.00818.07
8.2.40.0000.00719.45
8.2.30.0020.00520.73
8.2.20.0050.00517.62
8.2.10.0000.00717.91
8.2.00.0050.00217.90
8.1.280.0200.00025.92
8.1.270.0000.00824.02
8.1.260.0040.00428.09
8.1.250.0000.00828.09
8.1.240.0060.00323.91
8.1.230.0120.00019.22
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.10
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0040.00418.77
8.1.160.0080.00021.91
8.1.150.0040.00418.70
8.1.140.0050.00319.36
8.1.130.0000.00717.45
8.1.120.0030.00617.24
8.1.110.0040.00417.32
8.1.100.0040.00417.32
8.1.90.0000.00717.24
8.1.80.0000.00917.29
8.1.70.0040.00417.31
8.1.60.0080.00017.43
8.1.50.0000.00817.39
8.1.40.0050.00317.21
8.1.30.0040.00417.48
8.1.20.0070.00017.37
8.1.10.0000.00717.46
8.1.00.0040.00417.21
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0030.00318.23
8.0.270.0070.00017.13
8.0.260.0030.00317.13
8.0.250.0070.00016.86
8.0.240.0040.00416.87
8.0.230.0070.00016.93
8.0.220.0000.00716.83
8.0.210.0030.00316.83
8.0.200.0030.00316.80
8.0.190.0040.00416.76
8.0.180.0000.00816.82
8.0.170.0060.00316.85
8.0.160.0040.00416.78
8.0.150.0070.00016.79
8.0.140.0000.00716.69
8.0.130.0070.00013.19
8.0.120.0000.00916.81
8.0.110.0070.00016.76
8.0.100.0040.00416.71
8.0.90.0040.00416.82
8.0.80.0030.01516.82
8.0.70.0040.00416.79
8.0.60.0040.00416.94
8.0.50.0040.00416.70
8.0.30.0140.00317.06
8.0.20.0110.00717.40
8.0.10.0040.00416.91
8.0.00.0110.00716.62
7.4.330.0030.00316.85
7.4.320.0070.00016.56
7.4.300.0070.00016.43
7.4.290.0000.00816.57
7.4.280.0040.00416.48
7.4.270.0050.00216.55
7.4.260.0000.00716.42
7.4.250.0030.00516.49
7.4.240.0040.00416.63
7.4.230.0000.00716.31
7.4.220.0100.01716.64
7.4.210.0050.01116.63
7.4.200.0040.00416.35
7.4.160.0130.00316.54
7.4.150.0110.00617.40
7.4.140.0120.00517.86
7.4.130.0090.00816.59
7.4.120.0070.01116.57
7.4.110.0110.00816.54
7.4.100.0080.01116.44
7.4.90.0180.01316.54
7.4.80.0120.00619.39
7.4.70.0060.01216.50
7.4.60.0080.00816.39
7.4.50.0120.00616.69
7.4.40.0100.00616.54
7.4.30.0130.00316.68
7.4.00.0080.00714.94
7.3.330.0000.00613.13
7.3.320.0000.00613.32
7.3.310.0000.00716.21
7.3.300.0000.00716.38
7.3.290.0050.00216.32
7.3.280.0090.01016.34
7.3.270.0130.00317.40
7.3.260.0130.00416.39
7.3.250.0080.01216.49
7.3.240.0140.00316.53
7.3.230.0030.01416.39
7.3.210.0090.00616.60
7.3.200.0100.00716.59
7.3.190.0060.01116.36
7.3.180.0110.00516.64
7.3.170.0070.01116.44
7.3.160.0030.01316.34
7.3.120.0120.00614.74
7.3.110.0100.00614.96
7.3.100.0030.00614.98
7.3.90.0030.00615.09
7.3.80.0100.00314.86
7.3.70.0040.00414.91
7.3.60.0090.00614.89
7.3.50.0030.00614.60
7.3.40.0040.00814.70
7.3.30.0110.00314.84
7.3.20.0070.00716.48
7.3.10.0090.00616.63
7.3.00.0030.01016.70
7.2.330.0070.01316.41
7.2.320.0030.01316.79
7.2.310.0060.01116.61
7.2.300.0060.01016.82
7.2.290.0050.01216.73
7.2.250.0040.01414.88
7.2.240.0110.00715.21
7.2.230.0000.00915.29
7.2.220.0070.01015.34
7.2.210.0120.00315.13
7.2.200.0030.00914.79
7.2.190.0060.00315.21
7.2.180.0080.00415.12
7.2.170.0040.01114.78
7.2.60.0040.01116.54
7.2.00.0030.00919.57
7.1.330.0000.01515.73
7.1.320.0060.00915.69
7.1.310.0070.00715.68
7.1.300.0100.00715.52
7.1.290.0000.01515.73
7.1.280.0110.00015.68
7.1.270.0000.01215.78
7.1.260.0110.00315.70
7.1.200.0060.00615.80
7.1.100.0000.01318.25
7.1.70.0000.00717.20
7.1.60.0100.01019.12
7.1.50.0130.00416.79
7.1.00.0030.07322.30
7.0.200.0040.01216.50
7.0.60.0030.07719.96
7.0.50.0030.03718.00
7.0.40.0100.07720.26
7.0.30.0300.08320.06
7.0.20.0330.08020.09
7.0.10.0100.06720.25
7.0.00.0130.07020.20
5.6.280.0100.06021.13
5.6.210.0070.06320.61
5.6.200.0100.06718.13
5.6.190.0070.04020.48
5.6.180.0430.04020.42
5.6.170.0300.05720.54
5.6.160.0070.04020.61
5.6.150.0030.06018.27
5.6.140.0130.07318.23
5.6.130.0030.08318.18
5.6.120.0070.06321.00
5.6.110.0130.07721.12
5.6.100.0200.06721.11
5.6.90.0100.07721.00
5.6.80.0130.07720.39
5.5.350.4070.03720.32
5.5.340.0070.04317.95
5.5.330.0030.04320.46
5.5.320.0000.08020.36
5.5.310.0230.07320.34
5.5.300.0070.08018.00
5.5.290.0070.08018.08
5.5.280.0030.04320.79
5.5.270.0130.07720.96
5.5.260.0030.04020.85
5.5.250.0070.08020.55
5.5.240.0270.07320.29

preferences:
64.07 ms | 400 KiB | 5 Q