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) { if (isset($this->$key)) return (count($this->$key)>1); else return false; } public function hasChildren() { return (bool)count($this->children()); } public function nodeIsCollection() { return count($this); } public function getChildrenKeys() { $all = []; $children = $this->children(); foreach ($children as $key => $child) { if (!in_array($key, $all)) $all[] = $key; } return $all; } public function getValue() { var_dump($this[0]);exit; foreach ($this as $val) break; return $val; } } $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>'. ' <row2 ver="2.1">test data 2</row2>'. ' <row3 ver="3.0">'. ' <test inherit="yes">data</test>'. ' </row3>'. ' <row4 ver="4.0">my test data</row4>'. ' </rows>'. ' </body>'. '</request>'; $obj = new MyXML($s); $row = $obj->firstChild()->firstChild()->row4; var_dump($row->getValue());

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)
8.3.60.0040.01118.68
8.3.50.0150.00321.27
8.3.40.0180.00319.04
8.3.30.0080.00619.01
8.3.20.0080.00018.98
8.3.10.0030.00621.39
8.3.00.0040.00423.80
8.2.180.0030.01219.04
8.2.170.0040.01122.96
8.2.160.0000.01419.55
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0070.00418.18
8.2.110.0080.00321.11
8.2.100.0080.00318.16
8.2.90.0040.00419.61
8.2.80.0040.00418.18
8.2.70.0000.00817.88
8.2.60.0040.00418.18
8.2.50.0040.00418.07
8.2.40.0040.00418.47
8.2.30.0000.00820.22
8.2.20.0080.00018.07
8.2.10.0000.00818.01
8.2.00.0040.00417.95
8.1.280.0150.00025.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00720.93
8.1.230.0100.00321.04
8.1.220.0040.00418.77
8.1.210.0000.00819.20
8.1.200.0060.00317.35
8.1.190.0040.00417.77
8.1.180.0040.00418.10
8.1.170.0090.00018.81
8.1.160.0000.00719.18
8.1.150.0040.00418.88
8.1.140.0080.00017.68
8.1.130.0030.00318.12
8.1.120.0030.00317.60
8.1.110.0000.00817.75
8.1.100.0040.00417.73
8.1.90.0050.00217.70
8.1.80.0040.00417.70
8.1.70.0030.00317.62
8.1.60.0070.00417.87
8.1.50.0040.00417.76
8.1.40.0000.00917.64
8.1.30.0060.00317.85
8.1.20.0050.00317.91
8.1.10.0080.00017.71
8.1.00.0040.00417.69
8.0.300.0040.00420.14
8.0.290.0000.00817.00
8.0.280.0000.00818.65
8.0.270.0000.00717.48
8.0.260.0000.00817.17
8.0.250.0050.00317.14
8.0.240.0090.00017.34
8.0.230.0000.00717.17
8.0.220.0040.00417.26
8.0.210.0050.00217.26
8.0.200.0000.00717.32
8.0.190.0000.00817.14
8.0.180.0050.00317.15
8.0.170.0000.00717.23
8.0.160.0030.00517.12
8.0.150.0030.00517.21
8.0.140.0000.00817.10
8.0.130.0000.00613.70
8.0.120.0080.00017.18
8.0.110.0030.00517.16
8.0.100.0080.00017.24
8.0.90.0050.00217.13
8.0.80.0030.01217.16
8.0.70.0000.00717.19
8.0.60.0000.00817.04
8.0.50.0000.00717.18
8.0.30.0090.01017.40
8.0.20.0150.00617.46
8.0.10.0000.00817.18
8.0.00.0130.00817.10
7.4.330.0000.00514.95
7.4.320.0060.00016.60
7.4.300.0030.00316.85
7.4.290.0050.00216.75
7.4.280.0000.00716.72
7.4.270.0000.00716.74
7.4.260.0050.00013.45
7.4.250.0040.00416.90
7.4.240.0030.00316.75
7.4.230.0030.00316.82
7.4.220.0080.00916.73
7.4.210.0070.00916.82
7.4.200.0040.00416.60
7.4.190.0000.00816.72
7.4.160.0100.00716.72
7.4.150.0110.00817.40
7.4.140.0090.01417.86
7.4.130.0060.01216.73
7.4.120.0110.00716.75
7.4.110.0100.01016.73
7.4.100.0140.00316.82
7.4.90.0090.00916.79
7.4.80.0060.01516.70
7.4.70.0070.01516.60
7.4.60.0090.00916.84
7.4.50.0000.00816.84
7.4.40.0070.01022.52
7.4.30.0100.00716.79
7.4.00.0100.00714.98
7.3.330.0060.00013.73
7.3.320.0030.00313.67
7.3.310.0040.00416.77
7.3.300.0000.00716.65
7.3.290.0040.01116.67
7.3.280.0110.00416.67
7.3.270.0080.01117.40
7.3.260.0150.00618.24
7.3.250.0100.00716.76
7.3.240.0100.01016.68
7.3.230.0050.01116.68
7.3.210.0070.01116.73
7.3.200.0090.01219.39
7.3.190.0110.00716.77
7.3.180.0110.00516.73
7.3.170.0140.00316.80
7.3.160.0110.00516.91
7.3.120.0090.00615.09
7.3.110.0000.01715.11
7.3.100.0060.00614.77
7.3.90.0090.00315.24
7.3.80.0060.00615.01
7.3.70.0080.00414.98
7.3.60.0060.00614.92
7.3.50.0090.00315.03
7.3.40.0030.00814.90
7.3.30.0090.00315.06
7.3.20.0070.00416.78
7.3.10.0040.00716.77
7.3.00.0070.00616.88
7.2.330.0030.01416.76
7.2.320.0160.00617.05
7.2.310.0000.01717.11
7.2.300.0050.01116.93
7.2.290.0130.00417.06
7.2.250.0040.01415.02
7.2.240.0030.01415.06
7.2.230.0000.01315.05
7.2.220.0060.00615.46
7.2.210.0030.01015.18
7.2.200.0070.00715.12
7.2.190.0060.00615.29
7.2.180.0040.00915.19
7.2.170.0060.00615.20
7.2.160.0070.00715.11
7.2.150.0120.00017.18
7.2.140.0070.00617.12
7.2.130.0040.00817.14
7.2.120.0090.00317.25
7.2.110.0030.00916.86
7.2.100.0040.00817.14
7.2.90.0030.01017.14
7.2.80.0090.00016.86
7.2.70.0080.00416.92
7.2.60.0080.00417.00
7.2.50.0060.00617.06
7.2.40.0040.00717.13
7.2.30.0000.01217.00
7.2.20.0070.00316.84
7.2.10.0030.00616.89
7.2.00.0040.00816.99
7.1.330.0090.00916.09
7.1.320.0090.00316.02
7.1.310.0060.00615.95
7.1.300.0000.01215.80
7.1.290.0090.00315.73
7.1.280.0060.00615.96
7.1.270.0040.00816.03
7.1.260.0000.01115.96
7.1.250.0030.00916.12
7.1.200.0060.00915.49
7.1.70.0040.00417.16
7.1.60.0060.00919.40
7.1.50.0070.01816.71
7.1.00.0030.06322.53
7.0.200.0000.00816.83
7.0.140.0000.07022.09
7.0.70.0030.05021.76
7.0.60.0030.04321.70
7.0.50.0030.07322.09
7.0.40.0070.08720.04
7.0.30.0070.07720.10
7.0.20.0130.06720.20
7.0.10.0100.05720.17
7.0.00.0070.05320.21
5.6.280.0070.07021.19
5.6.220.0030.08020.78
5.6.210.0070.07720.62
5.6.200.0100.08021.02
5.6.190.0030.07721.27
5.6.180.0030.08721.14
5.6.170.0000.04321.08
5.6.160.0030.06321.02
5.6.150.0000.09021.00
5.6.140.0070.04321.14
5.6.130.0000.07321.08
5.6.120.0030.04021.13
5.6.110.0070.08321.27
5.6.100.0000.06321.14
5.6.90.0000.04321.19
5.6.80.0000.08320.49
5.6.70.0000.04020.58
5.6.60.0030.08320.43
5.6.50.0000.07720.63
5.6.40.0000.05320.62
5.6.30.0030.05320.63
5.6.20.0070.07720.48
5.6.10.0030.07720.50
5.6.00.0030.07720.36
5.5.360.0030.04320.42
5.5.350.0000.04320.50
5.5.340.0070.08021.02
5.5.330.0070.05020.99
5.5.320.0000.05320.90
5.5.310.0030.04320.86
5.5.300.0070.07721.04
5.5.290.0000.04321.01
5.5.280.0000.04320.82
5.5.270.0030.04021.03
5.5.260.0000.04320.97
5.5.250.0070.03720.61
5.5.240.0070.07320.21
5.5.230.0070.03320.37
5.5.220.0000.05020.32
5.5.210.0030.04720.30
5.5.200.0030.05320.35
5.5.190.0070.05020.25
5.5.180.0100.06720.25
5.5.160.0070.07720.36
5.5.150.0070.07020.38
5.5.140.0030.04320.31
5.5.130.0000.07320.20
5.5.120.0030.08320.34
5.5.110.0100.07320.23
5.5.100.0000.07320.15
5.5.90.0170.07320.07
5.5.80.0130.07020.16
5.5.70.0100.08020.11
5.5.60.0100.07720.24
5.5.50.0070.07020.27
5.5.40.0100.06720.15
5.5.30.0030.08020.27
5.5.20.0100.07320.21
5.5.10.0130.07720.26
5.5.00.0130.04720.24
5.4.450.0000.04019.56
5.4.440.0030.04019.35
5.4.430.0030.03719.27
5.4.420.0000.04319.69
5.4.410.0030.03719.44
5.4.400.0070.06319.23
5.4.390.0000.05018.92
5.4.380.0130.05719.27
5.4.370.0000.04018.92
5.4.360.0030.08019.28
5.4.350.0070.05319.27
5.4.340.0070.07319.10
5.4.320.0000.04719.27
5.4.310.0000.04019.10
5.4.300.0030.04719.36
5.4.290.0000.07719.13
5.4.280.0030.07019.04
5.4.270.0070.07319.25
5.4.260.0030.07319.23
5.4.250.0100.07719.01
5.4.240.0030.07319.10
5.4.230.0030.08019.01
5.4.220.0070.06718.94
5.4.210.0070.07019.25
5.4.200.0030.08019.12
5.4.190.0070.07719.24
5.4.180.0130.07319.22
5.4.170.0070.06019.26
5.4.160.0070.06019.26
5.4.150.0030.07719.37
5.4.140.0070.06316.62
5.4.130.0070.07316.45
5.4.120.0100.04316.37
5.4.110.0030.07716.52
5.4.100.0030.05316.58
5.4.90.0000.07316.52
5.4.80.0070.05016.62
5.4.70.0030.07016.58
5.4.60.0070.07316.53
5.4.50.0070.07016.61
5.4.40.0030.05016.66
5.4.30.0030.04316.48
5.4.20.0000.07016.60
5.4.10.0030.04016.56
5.4.00.0030.05315.82
5.3.290.0100.07714.71
5.3.280.0100.05314.63
5.3.270.0030.08014.75
5.3.260.0000.06714.60
5.3.250.0130.07014.55
5.3.240.0100.07314.68
5.3.230.0100.05714.75
5.3.220.0100.07314.69
5.3.210.0070.07314.64
5.3.200.0070.06714.55
5.3.190.0000.06714.64
5.3.180.0030.03714.66
5.3.170.0000.08314.53
5.3.160.0030.05314.56
5.3.150.0070.07714.57
5.3.140.0070.07314.55
5.3.130.0100.03014.54
5.3.120.0070.06014.56
5.3.110.0030.04314.49
5.3.100.0070.07014.07
5.3.90.0000.05014.17
5.3.80.0030.03314.07
5.3.70.0070.07014.09
5.3.60.0030.07714.06
5.3.50.0000.08013.99
5.3.40.0030.06713.99
5.3.30.0070.07713.98
5.3.20.0070.05713.73
5.3.10.0000.07313.65
5.3.00.0000.07713.63
5.2.170.0130.05313.43
5.2.160.0030.05013.43
5.2.150.0030.04313.43
5.2.140.0030.06013.43
5.2.130.0070.04713.43
5.2.120.0000.06713.43
5.2.110.0030.06313.43
5.2.100.0030.06313.43
5.2.90.0030.05313.43
5.2.80.0070.06313.43
5.2.70.0000.06313.43
5.2.60.0000.06713.43
5.2.50.0070.06013.43
5.2.40.0070.05713.43
5.2.30.0130.03313.43
5.2.20.0070.05713.43
5.2.10.0070.05713.43
5.2.00.0030.06313.43
5.1.60.0030.05713.43
5.1.50.0000.05013.43
5.1.40.0030.05313.43
5.1.30.0030.05713.43
5.1.20.0070.05313.43
5.1.10.0030.04013.43
5.1.00.0000.03313.43
5.0.50.0030.03713.43
5.0.40.0000.04713.43
5.0.30.0030.06713.43
5.0.20.0030.02313.43
5.0.10.0070.04013.43
5.0.00.0000.07013.43
4.4.90.0000.03013.43
4.4.80.0000.03013.43
4.4.70.0070.03013.43
4.4.60.0000.03713.43
4.4.50.0000.03313.43
4.4.40.0000.05313.43
4.4.30.0000.02713.43
4.4.20.0030.02713.43
4.4.10.0000.03713.43
4.4.00.0030.05013.43
4.3.110.0000.02713.43
4.3.100.0000.02713.43
4.3.90.0030.03013.43
4.3.80.0000.05713.43
4.3.70.0030.02313.43
4.3.60.0030.02013.43
4.3.50.0070.02713.43
4.3.40.0000.05313.43
4.3.30.0000.03713.43
4.3.20.0000.04013.43
4.3.10.0000.03713.43
4.3.00.0000.03713.43

preferences:
45.67 ms | 401 KiB | 5 Q