113 lines
3.6 KiB
PHP
113 lines
3.6 KiB
PHP
<?php
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function simplexml_dump(SimpleXMLElement $sxml)
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{
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$indent = "\t";
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$dump = '';
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// Note that the header is added at the end, so we can add stats
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$dump .= '[' . PHP_EOL;
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$item_index = 0;
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while ( isset($sxml[$item_index]) )
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{
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$item = $sxml[$item_index];
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$item_index++;
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// It's surprisingly hard to find something which behaves consistently differently for an attribute and an element within SimpleXML
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// The below relies on the fact that the DOM makes a much clearer distinction
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if ( dom_import_simplexml($item) instanceOf DOMAttr )
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{
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$dump .= $indent . 'Attribute {' . PHP_EOL;
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$ns = $item->getNamespaces(false);
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if ( $ns )
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{
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$dump .= $indent . $indent . 'Namespace: \'' . reset($ns) . '\'' . PHP_EOL;
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$dump .= $indent . $indent . 'Namespace Alias: \'' . key($ns) . '\'' . PHP_EOL;
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}
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$dump .= $indent . $indent . 'Name: \'' . $item->getName() . '\'' . PHP_EOL;
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$dump .= $indent . $indent . 'Value: \'' . (string)$item . '\'' . PHP_EOL;
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$dump .= $indent . '}' . PHP_EOL;
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}
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else
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{
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$dump .= $indent . 'Element {' . PHP_EOL;
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$ns = $item->getNamespaces(false);
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if ( $ns )
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{
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$dump .= $indent . $indent . 'Namespace: \'' . reset($ns) . '\'' . PHP_EOL;
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if ( key($ns) == '' )
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{
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$dump .= $indent . $indent . '(Default Namespace)' . PHP_EOL;
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}
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else
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{
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$dump .= $indent . $indent . 'Namespace Alias: \'' . key($ns) . '\'' . PHP_EOL;
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}
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}
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$dump .= $indent . $indent . 'Name: \'' . $item->getName() . '\'' . PHP_EOL;
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$dump .= $indent . $indent . 'String Content: \'' . (string)$item . '\'' . PHP_EOL;
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// Now some statistics about attributes and children, by namespace
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$dump .= $indent . $indent . 'Structural Content:' . PHP_EOL;
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// If the default namespace is not declared, it will never show up using the below code
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// (This is probably bad XML, or at least bad practice, but the aim here is to leave nothing invisible)
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if ( ! array_key_exists('', $item->getDocNamespaces()) )
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{
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$dump .= $indent . $indent . $indent . '[Default, Undeclared Namespace]' . PHP_EOL;
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$dump .= $indent . $indent . $indent . $indent . 'Children: ' . count($item->children(NULL)) . PHP_EOL;
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$dump .= $indent . $indent . $indent . $indent . 'Attributes: ' . count($item->attributes(NULL)) . PHP_EOL;
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}
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$all_ns = $item->getNamespaces(true);
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foreach ( $all_ns as $ns_alias => $ns_uri )
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{
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$ns_label = (($ns_alias == '') ? '[Default Namespace]' : "Namespace $ns_alias");
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$dump .= $indent . $indent . $indent . $ns_label . PHP_EOL;
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$dump .= $indent . $indent . $indent . $indent . 'Namespace URI: \'' . $ns_uri . '\'' . PHP_EOL;
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$dump .= $indent . $indent . $indent . $indent . 'Children: ' . count($item->children($ns_uri)) . PHP_EOL;
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$dump .= $indent . $indent . $indent . $indent . 'Attributes: ' . count($item->attributes($ns_uri)) . PHP_EOL;
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}
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$dump .= $indent . '}' . PHP_EOL;
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}
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}
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$dump .= ']' . PHP_EOL;
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// Add on the header line, with the total number of items output
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$dump = 'SimpleXML object (' . $item_index . ' item' . ($item_index > 1 ? 's' : '') . ')' . PHP_EOL . $dump;
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echo $dump;
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}
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$x = <<<XML
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<?xml version="1.0"?>
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<foo xmlns="http://example.com" xmlns:a="http://example.com/a" xmlns:b="http://example.com/b">
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<bar>some text</bar>
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<bar>ooo <![CDATA[some cdata yaha!]]></bar>
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<bar b:thing="Thing!" b:nowt="" />
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<deeper bob="jane">
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<a:bar />
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<a:bar />
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</deeper>
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</foo>
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XML;
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$sx = simplexml_load_string($x);
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simplexml_dump($sx);
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simplexml_dump($sx->children());
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simplexml_dump($sx->deeper);
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simplexml_dump($sx->deeper->children('a', true));
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simplexml_dump($sx->bar[2]->attributes('b', true));
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simplexml_dump($sx->deeper['bob']);
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