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<?php /** * Example: SimpleXML tell apart a single element and a list of elements with a single element * * @link https://hakre.wordpress.com/2013/02/12/simplexml-type-cheatsheet/ * @libk http://stackoverflow.com/a/14829309/367456 */ $buffer = <<<XML <root> <result>the one childre</result> </root> XML; $xml = simplexml_load_string($buffer); /** * @param SimpleXMLElement $element */ function sxml_show_info(SimpleXMLElement $element) { $isSingleElement = $element[0] == $element; $isListOfElements = $element[0] != $element and $element->attributes() !== NULL; printf(" Is single-element? - %s\n", $isSingleElement ? 'Yes' : 'No'); printf(" Is list-of-elements? - %s\n", $isListOfElements ? 'Yes' : 'No'); } echo "For the single element:\n"; sxml_show_info($xml->result[0]); echo "\n"; echo "For the list of elements with a single item:\n"; sxml_show_info($xml->result); echo "\n";
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
For the single element: Is single-element? - Yes Is list-of-elements? - No For the list of elements with a single item: Is single-element? - No Is list-of-elements? - Yes
Output for 5.2.0 - 5.2.1
For the single element: Is single-element? - No Is list-of-elements? - Yes For the list of elements with a single item: Is single-element? - No Is list-of-elements? - Yes
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
For the single element: Is single-element? - No Is list-of-elements? - Yes For the list of elements with a single item: Is single-element? - Yes Is list-of-elements? - No
Output for 4.4.3 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/fttGI on line 21
Process exited with code 255.
Output for 4.4.2
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/fttGI on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/fttGI on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/fttGI on line 21
Process exited with code 255.
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