protected function MarkdownExtra::stripFootnotes in Markdown 7

* Footnotes - Strips link definitions from text, stores the URLs and * titles in hash references. *

Parameters

string $text: * @return string

File

includes/MarkdownExtra.php, line 1548

Class

MarkdownExtra

Markdown Extra Parser Class

Namespace

Michelf

Code

protected function stripFootnotes($text) {
  $less_than_tab = $this->tab_width - 1;

  // Link defs are in the form: [^id]: url "optional title"
  $text = preg_replace_callback('{
			^[ ]{0,' . $less_than_tab . '}\\[\\^(.+?)\\][ ]?:	# note_id = $1
			  [ ]*
			  \\n?					# maybe *one* newline
			(						# text = $2 (no blank lines allowed)
				(?:					
					.+				# actual text
				|
					\\n				# newlines but
					(?!\\[.+?\\][ ]?:\\s)# negative lookahead for footnote or link definition marker.
					(?!\\n+[ ]{0,3}\\S)# ensure line is not blank and followed
									# by non-indented content
				)*
			)		
			}xm', array(
    $this,
    '_stripFootnotes_callback',
  ), $text);
  return $text;
}