/**
* Customise the display of posts as they are being rendered by the browser
*
* @param string $content
* @return string
*/
public function TheContent($content = '')
{
$searches = array();
$replaces = array();
# Use title as alt where there's a title and an empty alt attribute
$searches[] = '/ title="([^"]+)"([^>]*) alt=""/';
$replaces[] = '$2 alt="$1"';
# Remove title where there's also a populated alt attribute
$searches[] = '/ title="[^"]+"([^>]* alt="[^"]+")/';
$replaces[] = '$1';
# Remove link to original image, which has no navigation
$searches[] = '/<a href="[^"]+.(jpg|gif|png|jpeg)"[^>]*>(<img [^>]*>)<\\/a>/';
$replaces[] = '$2';
# Strip these by providing no replacement text
$searches[] = '/ title="[a-z0-9-]*"/';
# remove meaningless title attributes containing filenames
$replaces[] = '';
$content = preg_replace($searches, $replaces, $content);
$content = str_replace("http://www.stoolball.org.uk", "https://www.stoolball.org.uk", $content);
if (is_home()) {
# Take out and remember images
$content = preg_replace_callback('/(<img[^>]*>)/', array($this, 'ExtractImage'), $content);
$strip_these = array('/<h[0-9][^>]*>.*?<\\/h[0-9]>/', '/<p class="wp-caption-text">.*?<\\/p>/', '/<a[^>]* class="more-link[^>]*>.*?<\\/a>/', '/style="width: [0-9]+px;?"/', '/<div[^>]*><\\/div>/');
$content = preg_replace($strip_these, '', $content);
# Don't want home page to be too long, so cut off after first para
$pos = strpos($content, '</p>');
if ($pos) {
$pos = $pos + 4;
# length of </p>
$content = substr($content, 0, $pos);
}
# If there were images, put the first one at the start of the text
if (count($this->a_matches)) {
# Remove unused class, width and height
$image = preg_replace('/ (class|width|height)="[A-Za-z0-9-_ ]+"/', '', $this->a_matches[0]);
# Try to isolate the src attribute and swop it for the corresponding thumbnail
$pos = strpos($image, ' src="');
if ($pos !== false) {
$pos = $pos + 6;
# move to start to attr value
$len = strpos($image, '"', $pos);
if ($len !== false) {
# Get path to image on server
$wordpress_image_folder = $this->settings->GetServerRoot();
if (SiteContext::IsDevelopment()) {
$wordpress_image_folder .= "../";
}
# on dev setup, WordPress image uploads are outside web root
require_once 'Zend/Uri.php';
$uri = Zend_Uri::factory(substr($image, $pos, $len - $pos));
/* @var $uri Zend_Uri_Http */
# Change it to the thumbnail path and see whether the thumbnail exists
$thumbnail = $wordpress_image_folder . $uri->getPath();
$pos = strrpos($thumbnail, '.');
if ($pos !== false) {
$thumbnail = substr($thumbnail, 0, $pos) . "-150x150" . substr($thumbnail, $pos);
if (file_exists($thumbnail)) {
# if it does exist, update the original image tag with the thumbnail suffix and size
# important to do all these checks because thumbnails don't exist for images smaller than 150px
$image = preg_replace('/\\.(jpg|jpeg|gif|png)"/', '-150x150.$1" width="150" height="150"', $image);
}
}
}
}
# Add image before content
$content = $image . $content;
}
} else {
# Increase image width by 10px (caption must be 100%, so space around image must be margin on inner element, not padding on this element)
$content = preg_replace_callback('/class="wp-caption([A-Za-z0-9-_ ]*)" style="width: ([0-9]+)px;?"/', array($this, 'ReplaceImageWidth'), $content);
# Add extra XHTML around photo captions as hook for CSS
$content = preg_replace('/(<p class="wp-caption-text">[^<]*<\\/p>)/', '<div class="photoCaption">$1</div>', $content);
}
$protector = new EmailAddressProtector($this->settings);
$content = $protector->ApplyEmailProtection($content, is_object(AuthenticationManager::GetUser()) and AuthenticationManager::GetUser()->IsSignedIn());
return $content;
}
