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When given multiple nodes, hint how to access each as [0], [1], etc

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This commit is contained in:
Rowan Collins 2012-10-14 01:21:22 +01:00
parent 5231f710de
commit d05192edb6
1 changed files with 23 additions and 21 deletions
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44
simplexml_tree.php
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@ -35,7 +35,6 @@ function simplexml_tree(SimpleXMLElement $sxml, $include_string_content=false, $
while ( isset($sxml[$root_item_index]) ) while ( isset($sxml[$root_item_index]) )
{ {
$root_item = $sxml[$root_item_index]; $root_item = $sxml[$root_item_index];
$root_item_index++;
// Special case if the root is actually an attribute // Special case if the root is actually an attribute
// It's surprisingly hard to find something which behaves consistently differently for an attribute and an element within SimpleXML // It's surprisingly hard to find something which behaves consistently differently for an attribute and an element within SimpleXML
@ -50,31 +49,34 @@ function simplexml_tree(SimpleXMLElement $sxml, $include_string_content=false, $
$dump .= key($ns) . ':'; $dump .= key($ns) . ':';
} }
$dump .= $root_item->getName() . '="' . (string)$root_item . '"' . PHP_EOL; $dump .= $root_item->getName() . '="' . (string)$root_item . '"' . PHP_EOL;
// Jump to begining of outer loop; avoids indenting the rest of the code as an else block
continue;
}
// Display the root node as an XML tag
// To what namespace does this attribute belong? Returns array( alias => URI )
$ns = $root_item->getNamespaces(false);
if ( key($ns) )
{
$root_node_name = key($ns) . ':' . $root_item->getName();
} }
else else
{ {
$root_node_name = $root_item->getName(); // Display the root node as a numeric key reference, plus a hint as to its tag name
// e.g. '[42] // <Answer>'
// To what namespace does this attribute belong? Returns array( alias => URI )
$ns = $root_item->getNamespaces(false);
if ( key($ns) )
{
$root_node_name = key($ns) . ':' . $root_item->getName();
}
else
{
$root_node_name = $root_item->getName();
}
$dump .= "[$root_item_index] // <$root_node_name>" . PHP_EOL;
// This function is effectively recursing depth-first through the tree,
// but this is managed manually using a stack rather than actual recursion
// Each item on the stack is of the form array(int $depth, SimpleXMLElement $element, string $header_row)
$dump .= _simplexml_tree_recursively_process_node(
$root_item, 1,
$include_string_content, $indent, $content_extract_size
);
} }
$dump .= "<$root_node_name>" . PHP_EOL;
// This function is effectively recursing depth-first through the tree, $root_item_index++;
// but this is managed manually using a stack rather than actual recursion
// Each item on the stack is of the form array(int $depth, SimpleXMLElement $element, string $header_row)
$dump .= _simplexml_tree_recursively_process_node(
$root_item, 1,
$include_string_content, $indent, $content_extract_size
);
} }
// Add on the header line, with the total number of items output // Add on the header line, with the total number of items output