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()); } } $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>'. ' </rows>'. ' </body>'. '</request>'; $obj = new MyXML($s); $rows = $obj->firstChild()->firstChild()->row2; var_dump($rows->children(), $rows->hasChildren());

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)
8.3.60.0130.00317.13
8.3.50.0060.01322.07
8.3.40.0090.00918.70
8.3.30.0110.00319.20
8.3.20.0050.00220.59
8.3.10.0030.00623.77
8.3.00.0030.00619.51
8.2.180.0150.00318.67
8.2.170.0090.00922.96
8.2.160.0100.00320.60
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0100.00326.16
8.2.120.0080.00022.36
8.2.110.0100.00022.45
8.2.100.0090.00318.03
8.2.90.0030.00519.46
8.2.80.0030.00618.18
8.2.70.0060.00317.88
8.2.60.0030.00518.18
8.2.50.0060.00318.07
8.2.40.0040.00418.28
8.2.30.0070.00018.17
8.2.20.0000.00817.81
8.2.10.0030.00718.29
8.2.00.0070.00417.86
8.1.280.0070.00725.92
8.1.270.0060.00322.26
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.95
8.1.230.0090.00319.34
8.1.220.0090.00017.91
8.1.210.0060.00318.77
8.1.200.0060.00317.48
8.1.190.0060.00317.68
8.1.180.0080.00018.10
8.1.170.0000.00818.77
8.1.160.0050.00322.24
8.1.150.0000.00818.87
8.1.140.0000.00817.58
8.1.130.0030.00318.04
8.1.120.0040.00417.58
8.1.110.0040.00417.61
8.1.100.0000.00717.70
8.1.90.0050.00317.70
8.1.80.0000.00817.60
8.1.70.0030.00317.73
8.1.60.0000.00917.80
8.1.50.0080.00017.77
8.1.40.0050.00317.79
8.1.30.0040.00417.89
8.1.20.0000.00817.93
8.1.10.0030.00617.73
8.1.00.0040.00417.65
8.0.300.0030.00618.77
8.0.290.0030.00517.05
8.0.280.0030.00318.55
8.0.270.0000.00717.48
8.0.260.0070.00017.06
8.0.250.0040.00417.22
8.0.240.0000.00817.09
8.0.230.0030.00317.03
8.0.220.0030.00317.05
8.0.210.0030.00416.96
8.0.200.0000.00817.19
8.0.190.0120.00017.10
8.0.180.0040.00417.18
8.0.170.0080.00017.21
8.0.160.0040.00417.03
8.0.150.0080.00016.93
8.0.140.0000.00717.11
8.0.130.0060.00313.54
8.0.120.0040.00417.11
8.0.110.0030.00617.02
8.0.100.0070.00016.92
8.0.90.0050.00217.11
8.0.80.0090.00617.11
8.0.70.0000.00717.15
8.0.60.0070.00016.91
8.0.50.0030.00517.16
8.0.30.0090.01017.41
8.0.20.0070.01217.55
8.0.10.0050.00217.23
8.0.00.0110.00917.00
7.4.330.0000.00515.39
7.4.320.0030.00316.58
7.4.300.0000.00616.75
7.4.290.0000.00816.79
7.4.280.0030.00316.73
7.4.270.0000.00716.92
7.4.260.0030.00616.76
7.4.250.0000.00716.75
7.4.240.0020.00616.80
7.4.230.0050.00316.91
7.4.220.0150.00316.87
7.4.210.0090.00616.80
7.4.200.0070.00016.85
7.4.190.0000.00816.80
7.4.160.0070.01716.75
7.4.150.0100.00717.40
7.4.140.0130.01417.86
7.4.130.0160.00116.78
7.4.120.0140.00716.72
7.4.110.0090.00916.73
7.4.100.0140.00616.95
7.4.90.0190.00316.86
7.4.80.0090.00919.39
7.4.70.0050.01116.55
7.4.60.0090.00616.64
7.4.50.0030.00316.81
7.4.40.0030.01322.77
7.4.30.0170.00016.79
7.4.00.0040.01415.17
7.3.330.0000.00613.52
7.3.320.0030.00313.35
7.3.310.0000.00716.41
7.3.300.0000.00716.53
7.3.290.0040.01016.56
7.3.280.0080.00816.53
7.3.270.0170.00017.40
7.3.260.0160.00716.75
7.3.250.0120.00516.69
7.3.240.0090.00916.83
7.3.230.0100.00616.57
7.3.210.0080.00816.43
7.3.200.0080.00919.39
7.3.190.0150.00616.84
7.3.180.0070.01016.89
7.3.170.0090.01216.62
7.3.160.0060.01016.76
7.3.120.0140.00315.14
7.2.330.0090.00916.81
7.2.320.0060.01316.96
7.2.310.0100.01316.73
7.2.300.0130.00917.06
7.2.290.0070.01016.71
7.2.60.0040.01116.74
7.2.00.0030.00919.44
7.1.200.0070.00716.01
7.1.100.0640.00715.83
7.1.70.0070.00717.38
7.1.60.0060.01019.33
7.1.50.0130.01017.16
7.1.00.0030.07722.53
7.0.200.0000.00716.86
7.0.140.0070.06322.21
7.0.100.0030.08320.06
7.0.90.0100.08320.00
7.0.80.0200.08320.03
7.0.70.0000.05720.03
7.0.60.0130.08320.04
7.0.50.0070.09020.43
7.0.40.0030.09020.19
7.0.30.0130.08020.27
7.0.20.0100.07320.14
7.0.10.0070.08720.18
7.0.00.0100.08320.27
5.6.280.0070.07021.07
5.6.250.0130.05320.75
5.6.240.0070.08320.66
5.6.230.0170.07720.80
5.6.220.0230.07020.67
5.6.210.0170.07320.73
5.6.200.0100.08321.14
5.6.190.0130.08021.02
5.6.180.0200.07721.11
5.6.170.0170.07321.17
5.6.160.0130.07321.14
5.6.150.0130.07321.13
5.6.140.0100.07321.12
5.6.130.0230.07320.99
5.6.120.0070.09020.99
5.6.110.0130.07321.13
5.6.100.0030.08321.09
5.6.90.0100.08721.12
5.6.80.0030.06320.51
5.6.70.0130.06320.44
5.6.60.0070.07720.53
5.6.50.0070.05720.47
5.6.40.0130.03720.43
5.6.30.0100.07720.44
5.6.20.0070.05720.59
5.6.10.0070.07720.46
5.6.00.0070.08720.33
5.5.380.0130.07720.61
5.5.370.0230.07020.46
5.5.360.0100.07320.43
5.5.350.0230.07320.55
5.5.340.0070.08020.89
5.5.330.0100.07321.02
5.5.320.0100.05720.79
5.5.310.0070.08320.92
5.5.300.0030.04320.96
5.5.290.0070.08320.84
5.5.280.0070.06320.90
5.5.270.0070.08320.85
5.5.260.0070.07321.00
5.5.250.0030.04720.77
5.5.240.0070.08320.43
5.5.230.0070.07320.30
5.5.220.0130.07320.41
5.5.210.0070.05020.43
5.5.200.0070.08320.17
5.5.190.0100.07720.27
5.5.180.0100.04320.23
5.5.160.0230.05720.29
5.5.150.0130.07720.30
5.5.140.0070.08020.24
5.5.130.0170.05720.14
5.5.120.0100.07020.27
5.5.110.0070.06720.16
5.5.100.0030.08320.16
5.5.90.0100.06720.23
5.5.80.0000.06320.22
5.5.70.0130.07020.13
5.5.60.0100.06320.26
5.5.50.0200.07020.09
5.5.40.0200.06720.19
5.5.30.0200.06320.09
5.5.20.0070.08020.23
5.5.10.0130.07320.08
5.5.00.0100.07320.09
5.4.450.0030.05019.61
5.4.440.0000.06019.37
5.4.430.0070.08319.58
5.4.420.0000.05019.59
5.4.410.0070.06719.34
5.4.400.0130.07019.12
5.4.390.0030.08319.23
5.4.380.0100.07319.12
5.4.370.0070.05019.02
5.4.360.0070.07719.13
5.4.350.0070.07019.26
5.4.340.0070.03719.11
5.4.320.0100.07319.27
5.4.310.0130.07019.12
5.4.300.0100.04319.20
5.4.290.0070.07719.04
5.4.280.0000.08319.25
5.4.270.0070.07719.22
5.4.260.0070.08019.23
5.4.250.0100.07019.28
5.4.240.0070.07019.03
5.4.230.0030.09019.03
5.4.220.0070.06719.22
5.4.210.0070.05719.22
5.4.200.0130.06719.23
5.4.190.0030.05319.27
5.4.180.0070.06319.21
5.4.170.0100.04319.11
5.4.160.0100.07019.09
5.4.150.0070.07718.91
5.4.140.0100.05016.54
5.4.130.0030.04316.54
5.4.120.0100.04016.58
5.4.110.0070.07316.55
5.4.100.0070.05316.48
5.4.90.0100.05016.60
5.4.80.0100.06716.47
5.4.70.0100.07016.62
5.4.60.0100.06716.46
5.4.50.0100.06316.56
5.4.40.0070.07716.50
5.4.30.0130.06716.57
5.4.20.0100.07316.55
5.4.10.0030.06716.48
5.4.00.0100.04016.09
5.3.290.0070.08314.89
5.3.280.0100.07714.67
5.3.270.0070.08014.63
5.3.260.0130.06714.78
5.3.250.0070.03714.70
5.3.240.0070.07314.75
5.3.230.0100.03714.82
5.3.220.0030.07714.69
5.3.210.0100.06714.74
5.3.200.0000.05014.57
5.3.190.0100.06714.64
5.3.180.0200.03014.71
5.3.170.0030.07314.71
5.3.160.0100.07314.64
5.3.150.0000.08314.74
5.3.140.0070.05714.68
5.3.130.0030.07714.55
5.3.120.0100.07714.68
5.3.110.0100.07314.58
5.3.100.0030.04314.27
5.3.90.0070.05714.16
5.3.80.0030.07014.23
5.3.70.0070.06714.19
5.3.60.0030.08014.08
5.3.50.0030.08014.09
5.3.40.0100.06714.20
5.3.30.0130.06714.07
5.3.20.0100.06313.77
5.3.10.0100.07013.66
5.3.00.0070.06713.65
5.2.170.0100.05711.62
5.2.160.0000.04011.62
5.2.150.0070.05711.62
5.2.140.0000.04011.62
5.2.130.0070.05711.62
5.2.120.0000.06311.62
5.2.110.0000.07011.62
5.2.100.0070.06011.62
5.2.90.0070.06011.62
5.2.80.0070.06311.62
5.2.70.0000.04011.62
5.2.60.0030.06011.62
5.2.50.0070.05711.62
5.2.40.0070.06011.62
5.2.30.0100.05711.62
5.2.20.0130.02311.62
5.2.10.0030.05711.62
5.2.00.0000.04311.62
5.1.60.0070.04711.62
5.1.50.0000.03311.62
5.1.40.0100.04011.62
5.1.30.0000.06311.62
5.1.20.0000.05011.62
5.1.10.0100.05011.62
5.1.00.0100.02311.62
5.0.50.0070.03311.62
5.0.40.0000.04711.62
5.0.30.0000.04711.62
5.0.20.0030.02311.62
5.0.10.0030.04011.62
5.0.00.0000.06011.62
4.4.90.0000.03711.62
4.4.80.0030.03711.62
4.4.70.0030.01711.62
4.4.60.0030.03711.62
4.4.50.0000.03011.62
4.4.40.0000.04011.62
4.4.30.0030.01311.62
4.4.20.0000.03711.62
4.4.10.0030.03711.62
4.4.00.0000.05311.62
4.3.110.0030.03011.62
4.3.100.0070.02311.62
4.3.90.0000.03311.62
4.3.80.0030.04011.62
4.3.70.0030.02011.62
4.3.60.0000.03311.62
4.3.50.0030.03311.62
4.3.40.0030.04311.62
4.3.30.0000.03711.62
4.3.20.0000.02011.62
4.3.10.0000.03311.62
4.3.00.0000.03711.62

preferences:
38.7 ms | 401 KiB | 5 Q