3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyXML extends SimpleXMLElement { public function firstChild() { $children = $this->children(); foreach ($children as $child) break; return $child; } public function keyHasTwins($key) { return (bool)count($this->$key); } } $s = '<?xml version="1.0" encoding="utf-8" standalone="yes" ?>'. '<request>'. ' <body>'. ' <rows>'. ' <row id="1"/>'. ' <row id="2"/>'. ' <row id="3"/>'. ' <row2 ver="2.0">test data</row2>'. ' </rows>'. ' </body>'. '</request>'; $obj = new MyXML($s); $rows = $obj->firstChild()->firstChild()->children(); var_dump($rows->keyHasTwins('row'));

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)
8.3.60.0090.00616.75
8.3.50.0150.00722.06
8.3.40.0170.00318.89
8.3.30.0110.00319.09
8.3.20.0070.00020.45
8.3.10.0040.00423.75
8.3.00.0000.00819.50
8.2.180.0160.00318.54
8.2.170.0110.00422.96
8.2.160.0070.00720.60
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0040.00422.36
8.2.110.0060.00322.37
8.2.100.0040.00818.03
8.2.90.0050.00318.03
8.2.80.0000.00819.58
8.2.70.0050.00318.16
8.2.60.0040.00418.02
8.2.50.0050.00518.10
8.2.40.0000.00920.52
8.2.30.0000.00818.29
8.2.20.0050.00217.79
8.2.10.0080.00018.35
8.2.00.0020.00717.86
8.1.280.0150.00625.92
8.1.270.0080.00022.39
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.16
8.1.230.0110.00021.14
8.1.220.0050.00317.93
8.1.210.0030.00518.77
8.1.200.0040.00417.47
8.1.190.0000.00817.48
8.1.180.0070.00518.10
8.1.170.0070.00318.84
8.1.160.0030.00522.36
8.1.150.0080.00018.84
8.1.140.0000.00717.73
8.1.130.0000.00718.08
8.1.120.0030.00517.67
8.1.110.0040.00417.74
8.1.100.0040.00417.74
8.1.90.0080.00017.61
8.1.80.0000.00717.66
8.1.70.0030.00317.50
8.1.60.0030.00617.69
8.1.50.0030.00617.80
8.1.40.0000.00717.71
8.1.30.0030.00617.73
8.1.20.0050.00317.77
8.1.10.0050.00317.77
8.1.00.0000.00717.61
8.0.300.0030.00620.25
8.0.290.0060.00317.00
8.0.280.0030.00318.62
8.0.270.0030.00317.46
8.0.260.0030.00316.98
8.0.250.0000.00717.06
8.0.240.0000.00817.04
8.0.230.0030.00317.23
8.0.220.0000.00717.19
8.0.210.0000.00717.07
8.0.200.0000.00717.19
8.0.190.0000.00817.24
8.0.180.0000.00817.01
8.0.170.0000.00917.15
8.0.160.0030.00417.05
8.0.150.0040.00417.00
8.0.140.0030.00516.99
8.0.130.0030.00313.61
8.0.120.0050.00317.00
8.0.110.0000.00717.01
8.0.100.0000.00717.23
8.0.90.0000.00716.98
8.0.80.0070.00717.08
8.0.70.0040.00417.12
8.0.60.0000.00817.01
8.0.50.0000.00717.01
8.0.30.0110.01117.19
8.0.20.0080.01117.40
8.0.10.0050.00217.27
8.0.00.0060.01216.97
7.4.330.0020.00215.35
7.4.320.0060.00016.63
7.4.300.0000.00616.74
7.4.290.0070.00016.65
7.4.280.0030.00316.79
7.4.270.0030.00316.74
7.4.260.0030.00316.66
7.4.250.0040.00416.88
7.4.240.0030.00316.85
7.4.230.0040.00416.91
7.4.220.0060.01216.79
7.4.210.0070.00916.75
7.4.200.0070.00016.68
7.4.190.0000.00816.61
7.4.160.0030.01316.68
7.4.150.0160.00917.40
7.4.140.0090.01217.86
7.4.130.0070.01016.75
7.4.120.0070.01016.73
7.4.110.0090.01216.77
7.4.100.0120.00616.67
7.4.90.0090.01316.84
7.4.80.0080.01519.39
7.4.70.0090.00916.81
7.4.60.0070.01016.68
7.4.50.0060.00316.78
7.4.40.0000.01422.77
7.4.30.0000.01616.54
7.4.00.0000.01815.20
7.3.330.0050.00313.63
7.3.320.0060.00013.40
7.3.310.0040.00416.43
7.3.300.0070.00016.56
7.3.290.0070.00716.63
7.3.280.0100.00716.60
7.3.270.0120.00617.40
7.3.260.0070.01416.69
7.3.250.0070.01216.65
7.3.240.0090.01216.63
7.3.230.0130.00316.62
7.3.210.0080.00916.81
7.3.200.0120.00919.39
7.3.190.0030.01416.64
7.3.180.0040.01216.75
7.3.170.0040.01116.80
7.3.160.0120.00416.72
7.3.120.0070.01014.93
7.2.330.0110.00716.70
7.2.320.0070.01616.95
7.2.310.0070.01016.71
7.2.300.0070.01017.02
7.2.290.0120.00616.80
7.2.00.0000.01219.39
7.1.100.0030.01018.21
7.1.70.0000.00817.17
7.1.60.0090.01619.33
7.1.50.0100.01316.75
7.1.00.0070.08722.64
7.0.200.0090.00316.94
7.0.140.0030.07322.16
7.0.100.0270.04019.98
7.0.90.0270.08720.17
7.0.80.0000.08319.93
7.0.70.0370.08020.20
7.0.60.0170.05719.90
7.0.50.0230.06320.41
7.0.40.0070.08320.23
7.0.30.0000.05320.07
7.0.20.0000.09320.19
7.0.10.0070.08320.05
7.0.00.0100.07720.18
5.6.280.0030.07321.06
5.6.250.0000.08320.61
5.6.240.0100.07720.71
5.6.230.0100.08320.70
5.6.220.0030.04720.86
5.6.210.0130.04020.76
5.6.200.0030.05721.20
5.6.190.0170.04721.19
5.6.180.0130.04021.21
5.6.170.0100.04321.14
5.6.160.0130.04721.29
5.6.150.0100.07321.19
5.6.140.0100.05321.28
5.6.130.0000.08721.29
5.6.120.0100.06321.15
5.6.110.0070.04320.98
5.6.100.0070.08021.22
5.6.90.0100.07321.26
5.6.80.0130.07020.62
5.6.70.0130.07020.46
5.6.60.0270.06320.55
5.6.50.0070.08020.65
5.6.40.0000.06720.49
5.6.30.0030.08020.43
5.6.20.0100.08320.45
5.6.10.0070.04720.42
5.6.00.0100.07320.47
5.5.380.0100.08020.60
5.5.370.0030.07720.46
5.5.360.0100.07020.61
5.5.350.0100.07720.49
5.5.340.0100.05020.79
5.5.330.0100.08720.86
5.5.320.0030.07020.98
5.5.310.0170.04321.03
5.5.300.0070.08320.98
5.5.290.0070.08321.05
5.5.280.0030.05020.73
5.5.270.0070.08721.00
5.5.260.0070.08321.01
5.5.250.0030.05320.83
5.5.240.0030.04320.32
5.5.230.0030.07720.29
5.5.220.0070.06020.41
5.5.210.0130.07320.39
5.5.200.0030.08020.24
5.5.190.0000.08020.28
5.5.180.0200.04020.29
5.5.160.0030.07320.37
5.5.150.0100.07320.19
5.5.140.0200.06320.28
5.5.130.0100.07720.24
5.5.120.0100.04320.32
5.5.110.0070.08020.15
5.5.100.0070.06320.29
5.5.90.0130.06320.12
5.5.80.0030.08020.24
5.5.70.0030.08320.28
5.5.60.0100.08020.09
5.5.50.0000.05320.02
5.5.40.0070.07720.14
5.5.30.0070.08020.11
5.5.20.0100.07720.23
5.5.10.0100.07320.18
5.5.00.0100.07320.15
5.4.450.0100.07019.59
5.4.440.0100.04319.55
5.4.430.0100.08019.56
5.4.420.0130.06019.59
5.4.410.0100.07319.30
5.4.400.0070.07019.20
5.4.390.0100.06319.21
5.4.380.0130.08319.24
5.4.370.0130.03719.28
5.4.360.0070.07318.96
5.4.350.0100.04019.25
5.4.340.0030.08019.23
5.4.320.0130.06719.36
5.4.310.0030.08319.29
5.4.300.0130.04019.27
5.4.290.0130.07719.28
5.4.280.0000.08019.27
5.4.270.0030.06319.11
5.4.260.0100.06319.05
5.4.250.0070.07318.93
5.4.240.0100.08319.22
5.4.230.0130.07019.11
5.4.220.0100.07719.23
5.4.210.0000.08018.91
5.4.200.0170.07019.27
5.4.190.0030.07719.03
5.4.180.0070.08319.29
5.4.170.0170.06719.00
5.4.160.0030.07719.23
5.4.150.0070.08018.90
5.4.140.0030.08316.48
5.4.130.0130.06716.59
5.4.120.0100.07316.64
5.4.110.0100.07716.56
5.4.100.0070.06316.68
5.4.90.0070.07016.68
5.4.80.0100.06316.66
5.4.70.0030.07716.66
5.4.60.0100.04316.55
5.4.50.0030.07716.58
5.4.40.0070.07316.57
5.4.30.0030.06716.50
5.4.20.0170.06716.50
5.4.10.0070.06716.64
5.4.00.0070.04016.06
5.3.290.0070.04715.74
5.3.280.0070.07715.74
5.3.270.0100.04715.74
5.3.260.0030.08015.74
5.3.250.0130.07715.74
5.3.240.0100.07315.74
5.3.230.0030.04715.74
5.3.220.0070.08015.74
5.3.210.0100.07015.74
5.3.200.0030.08015.74
5.3.190.0130.07315.74
5.3.180.0130.06715.74
5.3.170.0070.07315.74
5.3.160.0070.07015.74
5.3.150.0070.04315.74
5.3.140.0100.07315.74
5.3.130.0130.04315.74
5.3.120.0070.07015.74
5.3.110.0130.06315.74
5.3.100.0000.08015.74
5.3.90.0030.07715.74
5.3.80.0070.06715.74
5.3.70.0130.07015.74
5.3.60.0030.06715.74
5.3.50.0070.05315.74
5.3.40.0070.07015.74
5.3.30.0070.07015.74
5.3.20.0070.04715.74
5.3.10.0100.06315.74
5.3.00.0070.07015.74
5.2.170.0000.06715.74
5.2.160.0070.04015.74
5.2.150.0100.06015.74
5.2.140.0100.03015.74
5.2.130.0100.04715.74
5.2.120.0030.06315.74
5.2.110.0100.05315.74
5.2.100.0030.06015.74
5.2.90.0100.06015.74
5.2.80.0030.06015.74
5.2.70.0070.06015.74
5.2.60.0030.05015.74
5.2.50.0070.06015.74
5.2.40.0030.04015.74
5.2.30.0070.05015.74
5.2.20.0030.03315.74
5.2.10.0070.05015.74
5.2.00.0130.05315.74
5.1.60.0100.04315.74
5.1.50.0030.05315.74
5.1.40.0070.05015.74
5.1.30.0030.05715.74
5.1.20.0070.06015.74
5.1.10.0030.05315.74
5.1.00.0030.04315.74
5.0.50.0000.04015.74
5.0.40.0070.02715.74
5.0.30.0030.06315.74
5.0.20.0100.01715.74
5.0.10.0030.01715.74
5.0.00.0030.03015.74
4.4.90.0070.03015.74
4.4.80.0000.02715.74
4.4.70.0000.03715.74
4.4.60.0070.03015.74
4.4.50.0000.03015.74
4.4.40.0030.04715.74
4.4.30.0000.02015.74
4.4.20.0030.03715.74
4.4.10.0030.03715.74
4.4.00.0030.05315.74
4.3.110.0030.03315.74
4.3.100.0030.03015.74
4.3.90.0000.02015.74
4.3.80.0070.03015.74
4.3.70.0070.02015.74
4.3.60.0000.01715.74
4.3.50.0030.02015.74
4.3.40.0100.01715.74
4.3.30.0000.01715.74
4.3.20.0000.01715.74
4.3.10.0070.01015.74
4.3.00.0030.01315.74

preferences:
46.21 ms | 401 KiB | 5 Q