`
* @return string Cleaned string, e.g. `foobar`
*/
function stripWithDelimiters($string, $start, $end) {
while(strpos($string, $start) !== false) {
$section_to_remove = substr($string, strpos($string, $start));
$section_to_remove = substr($section_to_remove, 0, strpos($section_to_remove, $end) + strlen($end));
$string = str_replace($section_to_remove, '', $string);
}
return $string;
}
/**
* Remove HTML sections containing one or more sections using the same HTML tag
*
* @param string $string Input string, e.g. `foobar`
* @param string $tag_name Name of the HTML tag, e.g. `div`
* @param string $tag_start Start of the HTML tag to remove, e.g. ``
* @return string Cleaned String, e.g. `foobar`
*
* @todo This function needs more documentation to make it maintainable.
*/
function stripRecursiveHTMLSection($string, $tag_name, $tag_start){
$open_tag = '<' . $tag_name;
$close_tag = '';
$close_tag_length = strlen($close_tag);
if(strpos($tag_start, $open_tag) === 0) {
while(strpos($string, $tag_start) !== false) {
$max_recursion = 100;
$section_to_remove = null;
$section_start = strpos($string, $tag_start);
$search_offset = $section_start;
do {
$max_recursion--;
$section_end = strpos($string, $close_tag, $search_offset);
$search_offset = $section_end + $close_tag_length;
$section_to_remove = substr($string, $section_start, $section_end - $section_start + $close_tag_length);
$open_tag_count = substr_count($section_to_remove, $open_tag);
$close_tag_count = substr_count($section_to_remove, $close_tag);
} while ($open_tag_count > $close_tag_count && $max_recursion > 0);
$string = str_replace($section_to_remove, '', $string);
}
}
return $string;
}
/**
* Convert Markdown into HTML with Parsedown.
*
* @link https://daringfireball.net/projects/markdown/ Markdown
* @link https://github.github.com/gfm/ GitHub Flavored Markdown Spec
*
* @param string $string Input string in Markdown format
* @return string output string in HTML format
*/
function markdownToHtml($string) {
$Parsedown = new Parsedown();
return $Parsedown->text($string);
}
*
* ```
*
* @param string $htmlContent The HTML content
* @return string The HTML content with all ocurrences replaced
*/
function backgroundToImg($htmlContent) {
$regex = '/background-image[ ]{0,}:[ ]{0,}url\([\'"]{0,}(.*?)[\'"]{0,}\)/';
$htmlContent = str_get_html($htmlContent);
foreach($htmlContent->find('*') as $element) {
if(preg_match($regex, $element->style, $matches) > 0) {
$element->outertext = '