Online PHP editor | rfc for fttGI

@ 2015-08-09T14:22:06Z

<?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 git.master, git.master_jit, rfc.property-hooks: 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

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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