3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * SimpleXMLElement Introspection */ error_reporting(~0); $xml = '<document> <child> give <grandchild a1="v1" a2="v2"> me </grandchild> <grandchild> more </grandchild> sugar. </child> <child> </child> <single/> </document> '; $simple = new SimpleXMLElement($xml); /** * @param SimpleXMLElement $element * @return mixed */ function simplexml_get_documentelement(SimpleXMLElement $element) { foreach($element as $element) break; list($documentElement) = $element->xpath('/*'); return $documentElement; } $documentElement = $simple; $attributeList = $simple->child->grandchild->attributes(); $attributeListEmpty = $simple->child->attributes(); $attribute = $simple->child->grandchild['a1']; $suite = array( 'get_documentelement' => array('simplexml_get_documentelement', array( array($documentElement, $documentElement), array($documentElement, $documentElement->child), array($documentElement, $documentElement->single), array($documentElement, reset(($simple->xpath('/*')))), array($documentElement, reset(($simple->simple->xpath('/*')))), array($documentElement, $documentElement->child[0]), array($documentElement, $documentElement->child->grandchild), array($documentElement, $attribute), array($documentElement, $attributeList), array(NULL, $attributeListEmpty), )), ); echo "Running tests with LIBXML ", LIBXML_DOTTED_VERSION, ":\n"; run_test_suite($suite); function run_test_suite(array $testsuite) { foreach ($testsuite as $caselabel => $testcasedef) { list($callback, $testcase) = $testcasedef; $stats[] = run_testcase($testcase, $callback, $caselabel); } echo "\n"; $stat['tests'] = 0; $stat['failures'] = 0; foreach ($stats as $singled) { $stat['tests'] += $singled['tests']; $stat['failures'] += $singled['failures']; echo $singled['messages']; } printf("Done %d tests with %d failures.", $stat['tests'], $stat['failures']); } function run_testcase(array $testcase, $callback, $label = null) { if ($label === null) $label = $callback; $stats['tests'] = 0; $stats['failures'] = 0; $messages = ''; foreach ($testcase as $i => $test) { list($expected, $subject, $testlabel) = $test + array(2 => "#$i"); $labeltest = $label . ' ' . $testlabel; ob_start(); $result = run_test($expected, $subject, $callback, $labeltest); $buffer = ob_get_clean(); echo $result ? '.' : 'F'; if ($buffer) { $messages .= sprintf("### %s ###\n", $labeltest); $messages .= $buffer; } $stats['tests']++; if (!$result) $stats['failures']++; } return $stats + array('messages' => $messages); } function run_test($expected, $subject, $callback, $label) { $actual = call_user_func($callback, $subject); if ($expected instanceof SimpleXMLElement and $actual instanceof SimpleXMLElement) { $result = $actual == $expected; } else { $result = $actual === $expected; } if (!$result) { $extra = ''; if ($subject instanceof SimpleXMLElement) { $extra = sprintf(' with %s', rtrim($subject->asXML())); } printf("FAILED to test %s%s.\n", $label, $extra); echo 'expected: ', var_dump($expected); echo 'actual:', var_dump($actual); } return $result; }

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)
8.3.60.0090.00617.13
8.3.50.0260.00717.62
8.3.40.0060.01019.22
8.3.30.0160.00619.07
8.3.20.0150.00319.33
8.3.10.0030.00721.09
8.3.00.0060.00319.63
8.2.180.0110.00417.00
8.2.170.0110.01122.96
8.2.160.0070.00721.36
8.2.150.0040.00424.18
8.2.140.0070.00324.66
8.2.130.0060.01226.16
8.2.120.0000.00921.08
8.2.110.0090.00321.43
8.2.100.0070.00418.41
8.2.90.0090.00019.86
8.2.80.0000.00817.98
8.2.70.0030.00618.13
8.2.60.0030.00618.55
8.2.50.0040.00418.25
8.2.40.0000.00818.72
8.2.30.0040.00420.18
8.2.20.0000.00819.86
8.2.10.0040.00418.21
8.2.00.0040.00418.17
8.1.280.0070.01425.92
8.1.270.0030.00624.66
8.1.260.0090.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00021.61
8.1.230.0080.00417.85
8.1.220.0040.00417.91
8.1.210.0050.00318.77
8.1.200.0000.01017.73
8.1.190.0060.00317.73
8.1.180.0040.00418.10
8.1.170.0030.00619.40
8.1.160.0040.00419.31
8.1.150.0040.00419.21
8.1.140.0080.00017.91
8.1.130.0040.00420.02
8.1.120.0040.00417.98
8.1.110.0000.00817.95
8.1.100.0040.00417.96
8.1.90.0080.00017.75
8.1.80.0000.00817.93
8.1.70.0000.00817.92
8.1.60.0040.00418.07
8.1.50.0040.00417.96
8.1.40.0030.00518.03
8.1.30.0000.00918.09
8.1.20.0060.00318.16
8.1.10.0000.00817.83
8.1.00.0030.00517.77
8.0.300.0030.00618.77
8.0.290.0000.00817.25
8.0.280.0040.00418.82
8.0.270.0040.00417.65
8.0.260.0070.00018.95
8.0.250.0040.00417.44
8.0.240.0030.00617.34
8.0.230.0040.00417.33
8.0.220.0040.00417.49
8.0.210.0030.00717.37
8.0.200.0050.00517.52
8.0.190.0050.00317.57
8.0.180.0050.00517.48
8.0.170.0040.00417.45
8.0.160.0060.00317.25
8.0.150.0050.00317.42
8.0.140.0070.00717.18
8.0.130.0000.00713.82
8.0.120.0040.00417.27
8.0.110.0000.00817.21
8.0.100.0020.00517.29
8.0.90.0000.00817.46
8.0.80.0060.01417.37
8.0.70.0030.00517.45
8.0.60.0030.00517.36
8.0.50.0040.00417.33
8.0.30.0100.01017.68
8.0.20.0110.01017.46
8.0.10.0000.00817.46
8.0.00.0120.00917.25
7.4.330.0000.00513.60
7.4.320.0080.00017.06
7.4.300.0030.00317.06
7.4.290.0030.00517.10
7.4.280.0000.00817.12
7.4.270.0040.00417.07
7.4.260.0120.00013.81
7.4.250.0000.00917.13
7.4.240.0050.00317.09
7.4.230.0070.00017.16
7.4.220.0100.01416.96
7.4.210.0090.01017.15
7.4.200.0050.00316.89
7.4.190.0080.00017.20
7.4.160.0090.00917.16
7.4.150.0090.00917.09
7.4.140.0080.01217.11
7.4.130.0130.00817.04
7.4.120.0040.01417.17
7.4.110.0060.01217.10
7.4.100.0090.00917.22
7.4.90.0100.01317.09
7.4.80.0050.01519.39
7.4.70.0060.01517.23
7.4.60.0090.00917.25
7.4.50.0030.01016.91
7.4.40.0060.00917.03
7.4.30.0050.01417.07
7.4.00.0030.00614.98
7.3.330.0020.00514.02
7.3.320.0080.00013.72
7.3.310.0030.00316.88
7.3.300.0040.00416.89
7.3.290.0140.00316.97
7.3.280.0070.01217.01
7.3.270.0130.00917.10
7.3.260.0060.01417.06
7.3.250.0040.01917.04
7.3.240.0140.00417.12
7.3.230.0120.00616.94
7.3.210.0140.00417.09
7.3.200.0090.00917.16
7.3.190.0180.00617.01
7.3.180.0030.01516.95
7.3.170.0060.01417.00
7.3.160.0120.00616.91
7.3.120.0070.01015.18
7.3.10.0080.00816.82
7.3.00.0060.00316.97
7.2.330.0030.01617.50
7.2.320.0000.01917.30
7.2.310.0170.00917.44
7.2.300.0060.01217.40
7.2.290.0090.00917.21
7.2.130.0140.00017.22
7.2.120.0100.00617.36
7.2.110.0070.00317.15
7.2.100.0040.01117.36
7.2.90.0100.01017.13
7.2.80.0120.00917.02
7.2.70.0080.00817.21
7.2.60.0100.00317.36
7.2.50.0060.01517.46
7.2.40.0040.01217.26
7.2.30.0160.00617.23
7.2.20.0100.01017.35
7.2.10.0030.00717.28
7.2.00.0050.01218.36
7.1.250.0070.00716.02
7.1.200.0060.00315.98
7.1.100.0000.01818.61
7.1.70.0040.00417.52
7.1.60.0140.01119.40
7.1.50.0120.01235.06
7.1.00.0070.06022.69
7.0.200.0070.01015.43
7.0.140.0100.06322.37
7.0.120.0030.07022.34
7.0.110.0100.04720.52
7.0.100.0100.07020.36
7.0.90.0070.05720.31
7.0.80.0100.07720.37
7.0.70.0070.08720.32
7.0.60.0130.04720.39
7.0.50.0270.07720.42
7.0.40.0130.08320.09
7.0.30.0100.08020.04
7.0.20.0100.08020.07
7.0.10.0100.07720.11
7.0.00.0070.04320.03
5.6.260.0070.08721.02
5.6.250.0100.08320.90
5.6.240.0000.07021.04
5.6.230.0070.04020.90
5.6.220.0070.08020.95
5.6.210.0170.07721.09
5.6.200.0130.07721.11
5.6.190.0230.06320.99
5.6.180.0030.05020.91
5.6.170.0130.07720.97
5.6.160.0100.07720.90
5.6.150.0100.08320.99
5.6.140.0100.08020.99
5.6.130.0070.04320.99
5.6.120.0070.08720.90
5.6.110.0030.08320.95
5.6.100.0200.07020.97
5.6.90.0130.06020.86
5.6.80.0170.07020.37
5.6.70.0100.08020.41
5.6.60.0130.05720.35
5.6.50.0070.06320.28
5.6.40.0170.07720.26
5.6.30.0170.06720.42
5.6.20.0230.04720.55
5.6.10.0100.07720.36
5.6.00.0070.07320.39
5.5.380.0000.08717.98
5.5.370.0070.04717.89
5.5.360.0130.04017.98
5.5.350.0130.07717.77
5.5.340.0100.06718.46
5.5.330.0100.08018.50
5.5.320.0130.08018.20
5.5.310.0100.07318.46
5.5.300.0100.05718.56
5.5.290.0100.07018.55
5.5.280.0130.07018.56
5.5.270.0130.07318.46
5.5.260.0130.08018.42
5.5.250.0100.05718.37
5.5.240.0200.06717.82
5.5.230.0030.07017.88
5.5.220.0000.08017.73
5.5.210.0100.07717.81
5.5.200.0070.07317.75
5.5.190.0070.07317.72
5.5.180.0070.07717.71
5.5.160.0030.08717.54
5.5.150.0130.07017.91
5.5.140.0170.07017.74
5.5.130.0130.06317.91
5.5.120.0130.07317.71
5.5.110.0070.08017.91
5.5.100.0000.04317.63
5.5.90.0070.06017.83
5.5.80.0070.06017.68
5.5.70.0030.04717.40
5.5.60.0070.07717.48
5.5.50.0070.04017.71
5.5.40.0030.06717.86
5.5.30.0030.08317.46
5.5.20.0130.06017.66
5.5.10.0070.08017.70
5.5.00.0000.08017.80
5.4.450.0070.08719.92
5.4.440.0130.07719.59
5.4.430.0070.06719.80
5.4.420.0070.08019.79
5.4.410.0000.05719.48
5.4.400.0130.07719.57
5.4.390.0100.07019.43
5.4.380.0100.07719.47
5.4.370.0070.06319.59
5.4.360.0030.05319.65
5.4.350.0000.08319.58
5.4.340.0100.06019.42
5.4.320.0170.07019.25
5.4.310.0130.07319.25
5.4.300.0100.07019.44
5.4.290.0030.06319.64
5.4.280.0100.07319.49
5.4.270.0100.07719.30
5.4.260.0070.05719.43
5.4.250.0100.06319.33
5.4.240.0130.07319.21
5.4.230.0070.06019.35
5.4.220.0070.06319.45
5.4.210.0030.08319.45
5.4.200.0170.05319.29
5.4.190.0100.07719.26
5.4.180.0070.07319.59
5.4.170.0100.07019.42
5.4.160.0070.06719.38
5.4.150.0170.04019.43
5.4.140.0170.04717.01
5.4.130.0070.07316.99
5.4.120.0070.07016.66
5.4.110.0170.06316.93
5.4.100.0100.06716.74
5.4.90.0130.06716.94
5.4.80.0000.08316.93
5.4.70.0100.07016.93
5.4.60.0230.05716.64
5.4.50.0000.04016.75
5.4.40.0030.07316.83
5.4.30.0030.07716.70
5.4.20.0130.03716.73
5.4.10.0030.06316.79
5.4.00.0130.06316.01
5.3.290.0070.07715.02
5.3.280.0070.07314.98
5.3.270.0070.06714.96
5.3.260.0170.07315.07
5.3.250.0100.07714.97
5.3.240.0030.07315.04
5.3.230.0200.06315.07
5.3.220.0070.08014.96
5.3.210.0070.08015.07
5.3.200.0100.07015.04
5.3.190.0130.05314.93
5.3.180.0100.06314.95
5.3.170.0030.04714.96
5.3.160.0030.04714.92
5.3.150.0000.07315.00
5.3.140.0070.04314.87
5.3.130.0070.07315.02
5.3.120.0100.06715.02
5.3.110.0130.06314.87
5.3.100.0100.07314.44
5.3.90.0070.07714.47
5.3.80.0130.06714.46
5.3.70.0130.06714.34
5.3.60.0100.05714.32
5.3.50.0070.03714.29
5.3.40.0130.06014.40
5.3.30.0100.07014.21
5.3.20.0070.07714.03
5.3.10.0000.04014.05
5.3.00.0030.06713.97
5.2.170.0030.06711.57
5.2.160.0070.05311.55
5.2.150.0070.05711.45
5.2.140.0070.05311.61
5.2.130.0030.06711.47
5.2.120.0000.05311.41
5.2.110.0130.05311.43
5.2.100.0130.05311.51
5.2.90.0000.05711.55
5.2.80.0100.03711.42
5.2.70.0100.05011.54
5.2.60.0070.06011.45
5.2.50.0130.05311.42
5.2.40.0000.06311.31
5.2.30.0100.05711.43
5.2.20.0070.06311.50
5.2.10.0030.05011.25
5.2.00.0070.05711.11
5.1.60.0100.05010.48
5.1.50.0070.05010.30
5.1.40.0130.04310.44
5.1.30.0070.05010.70
5.1.20.0000.06010.75
5.1.10.0070.05310.57
5.1.00.0100.05010.46
5.0.50.0030.0439.82
5.0.40.0030.0479.82
5.0.30.0070.0639.82
5.0.20.0000.0339.82
5.0.10.0070.0439.82
5.0.00.0000.0439.82
4.4.90.0000.0239.82
4.4.80.0000.0309.82
4.4.70.0070.0309.82
4.4.60.0070.0339.82
4.4.50.0000.0239.82
4.4.40.0100.0479.82
4.4.30.0000.0379.82
4.4.20.0000.0379.82
4.4.10.0030.0209.82
4.4.00.0000.0379.82
4.3.110.0030.0339.82
4.3.100.0070.0339.82
4.3.90.0000.0379.82
4.3.80.0000.0539.82
4.3.70.0000.0339.82
4.3.60.0030.0279.82
4.3.50.0100.0079.82
4.3.40.0000.0539.82
4.3.30.0030.0239.82
4.3.20.0000.0339.82
4.3.10.0000.0179.82
4.3.00.0030.0279.82

preferences:
75.2 ms | 401 KiB | 5 Q