/**
* @name arrayComplexSearch
* @desc Provides a utility method for searching for a key + value pair within a multidimensional array
* @param array $array
* @param string $key
* @param string $value
* @return Ambigous <multitype:unknown , multitype:>
*/
function arrayComplexSearch($array, $key, $value)
{
$results = array();
if (is_array($array)) {
if (isset($array[$key]) && $array[$key] == $value) {
$results[] = $array;
}
foreach ($array as $subarray) {
$results = array_merge($results, arrayComplexSearch($subarray, $key, $value));
}
}
return $results;
}
/**
* @name loadDrawing
* @desc Generates an image array (salvaged from previous version)
*/
public function loadDrawing()
{
# Get the blipFill for the imageRefId
$mcAltContentXPath = $this->xPath->query("*/a:graphic/a:graphicData/pic:pic/pic:blipFill", $this->dom);
$blipNode = $rectNode = null;
foreach ($mcAltContentXPath as $blipFill) {
# The blip however is always required to get the imageRefId
if ($blipFill->nodeName == null) {
continue;
}
$blipNode = $blipFill;
}
# Get the prev. element to load the alterateContent block
$prevElement = $this->dom->parentNode->previousSibling;
if (!isset($prevElement->nodeName)) {
continue;
}
# Load the alt Content for the dimensions
$mcDimensionXPath = $this->xPath->query("mc:AlternateContent/mc:Fallback/w:pict/v:rect", $prevElement);
foreach ($mcDimensionXPath as $dimensionWrapper) {
# If 'rect' is not found, we just use image width/height = auto so it is not required
if ($dimensionWrapper->nodeName != null) {
$rectNode = $dimensionWrapper;
}
}
# Get the imageToUseId by searching the blip node for an id
if ($blipNode != null) {
$blipQuery = $this->xPath->query("a:blip", $blipNode);
foreach ($blipQuery as $blipRes) {
foreach ($blipRes->attributes as $blipEmbedNode) {
if ($blipEmbedNode->nodeName == 'r:embed') {
$imageToUseId = $blipEmbedNode->nodeValue;
break 2;
}
}
}
# Use the id as a key within the _images array
$imageData = arrayComplexSearch($this->docx->images, 'id', $imageToUseId);
if (!is_array($imageData)) {
return null;
}
# If the image doesnt have a width defined, then the image parser skipped on this specific image, so skip it
if (!isset($imageData[0]['w'])) {
return null;
}
# Defaults are initally set as 'auto'
$w = $imageData[0]['w'];
$h = $imageData[0]['h'];
# Load the rect node if available to load the image dimensions
if ($rectNode != null) {
$rectStyles = $rectNode->attributes;
foreach ($rectStyles as $rectStyleNode) {
if ($rectStyleNode->nodeName == 'style') {
$imageStyleArray = explode(";", $rectStyleNode->nodeValue);
foreach ($imageStyleArray as $imageStyle) {
$styleInfo = explode(":", $imageStyle);
if (strtolower($styleInfo[0]) == 'width') {
$w = $styleInfo[1];
}
if (strtolower($styleInfo[0]) == 'height') {
$h = $styleInfo[1];
}
}
break;
}
}
}
# Collate the image into the parsed array
return array('type' => 'image', 'name' => $imageData[0]['title'], 'h' => $h, 'w' => $w, 'data' => $imageData[0]['data']);
}
}
