$l_str_Value) {
$l_arr_Options[$l_str_Key] = stripcslashes($l_str_Value);
}
/* returns the filtered array */
return $l_arr_Options;
}
/**
* reads the wordpress langauge and returns only the language code lowercase
* removes the localization code
* @return string (only the "en" from "en_US")
*/
function footnotes_getLanguageCode()
{
/* read current wordpress langauge */
$l_str_locale = apply_filters('plugin_locale', get_locale(), FOOTNOTES_PLUGIN_NAME);
/* check if wordpress language has a localization (e.g. "en_US" or "de_AT") */
if (strpos($l_str_locale, "_") !== false) {
/* remove localization code */
$l_arr_languageCode = explode("_", $l_str_locale);
$l_str_languageCode = $l_arr_languageCode[0];
return $l_str_languageCode;
}
/* return language code lowercase */
return strtolower($l_str_locale);
}
/**
* loads the langauge file including localization if exists
* otherwise loads the langauge file without localization information
*/
function footnotes_load_language()
{
/* read current wordpress langauge */
$l_str_locale = apply_filters('plugin_locale', get_locale(), FOOTNOTES_PLUGIN_NAME);
/* get only language code (removed localization code) */
$l_str_languageCode = footnotes_getLanguageCode();
/* language file with localization exists */
if ($l_bool_loaded = load_textdomain(FOOTNOTES_PLUGIN_NAME, dirname(__FILE__) . '/languages/' . FOOTNOTES_PLUGIN_NAME . '-' . $l_str_locale . '.mo')) {
/* language file without localization exists */
} else if ($l_bool_loaded = load_textdomain(FOOTNOTES_PLUGIN_NAME, dirname(__FILE__) . '/languages/' . FOOTNOTES_PLUGIN_NAME . '-' . $l_str_languageCode . '.mo')) {
/* load default language file, nothing will happen: default language will be used (=english) */
} else {
load_textdomain(FOOTNOTES_PLUGIN_NAME, dirname(__FILE__) . '/languages/' . FOOTNOTES_PLUGIN_NAME . '-en.mo');
}
}
/**
* register and add a stylesheet to the public pages
*/
function footnotes_public_page_scripts() {
/* register stylesheet for the public page */
wp_register_style('footnote_public_style', plugins_url('css/footnote.css', __FILE__));
/* add stylesheet to the public page */
wp_enqueue_style('footnote_public_style');
}
/**
* @param string $p_str_FootnoteText
* @return string
*/
function footnote_example_replacer($p_str_FootnoteText) {
$l_int_FootnoteIndex = 1;
$l_str_FootnoteTemplate = file_get_contents(dirname(__FILE__) . "/templates/footnote.html");
$l_str_ReplaceText = str_replace("[[FOOTNOTE INDEX]]", $l_int_FootnoteIndex, $l_str_FootnoteTemplate);
$l_str_ReplaceText = str_replace("[[FOOTNOTE TEXT]]", $p_str_FootnoteText, $l_str_ReplaceText);
return $l_str_ReplaceText;
}
/**
* replace the /forms.contact placeholders in the current public page
* @param string $p_str_Content
* @return string
*/
function footnotes_replace_public_placeholders($p_str_Content)
{
/* read settings */
$l_arr_Options = footnote_filter_options(FOOTNOTE_SETTINGS_CONTAINER);
/* get setting for combine identical footnotes */
$l_str_CombineIdentical = $l_arr_Options[FOOTNOTE_INPUT_COMBINE_IDENTICAL_NAME];
/* get setting for preferences label */
$l_str_ReferencesLabel = $l_arr_Options[FOOTNOTE_INPUT_REFERENCES_NAME];
/* convert it from string to boolean */
$l_bool_CombineIdentical = false;
if ($l_str_CombineIdentical == "yes") {
$l_bool_CombineIdentical = true;
}
/* contains the index for the next footnote on this page */
$l_int_FootnoteIndex = 1;
/* contains the inner text for the footnotes */
$l_str_FootnoteBody = array();
/* contains the starting position for the lookup of a footnote */
$l_int_PosStart = 0;
/* contains the footnote template */
$l_str_FootnoteTemplate = file_get_contents(dirname(__FILE__) . "/templates/footnote.html");
/* check for a footnote placeholder in the current page */
do {
/* get first occurence of a footnote starting tag */
$l_int_PosStart = strpos($p_str_Content, FOOTNOTE_PLACEHOLDER_START, $l_int_PosStart);
/* tag found */
if ($l_int_PosStart !== false) {
/* get first occurence of a footnote ending tag after the starting tag */
$l_int_PosEnd = strpos($p_str_Content, FOOTNOTE_PLACEHOLDER_END, $l_int_PosStart);
/* tag found */
if ($l_int_PosEnd !== false) {
/* get length of footnote text */
$l_int_Length = $l_int_PosEnd - $l_int_PosStart;
/* get text inside footnote */
$l_str_FootnoteText = substr($p_str_Content, $l_int_PosStart + strlen(FOOTNOTE_PLACEHOLDER_START), $l_int_Length - strlen(FOOTNOTE_PLACEHOLDER_START));
/* set replacer for the footnote */
$l_str_ReplaceText = str_replace("[[FOOTNOTE INDEX]]", $l_int_FootnoteIndex, $l_str_FootnoteTemplate);
$l_str_ReplaceText = str_replace("[[FOOTNOTE TEXT]]", $l_str_FootnoteText, $l_str_ReplaceText);
/* replace footnote in content */
$p_str_Content = substr_replace($p_str_Content, $l_str_ReplaceText, $l_int_PosStart, $l_int_Length + strlen(FOOTNOTE_PLACEHOLDER_END));
/* set footnote to the output box at the end */
$l_str_FootnoteBody[] = $l_str_FootnoteText;
/* increase footnote index */
$l_int_FootnoteIndex++;
/* add offset to the new starting position */
$l_int_PosStart += ($l_int_PosEnd - $l_int_PosStart);
/* no ending tag found */
} else {
$l_int_PosStart++;
}
/* no starting tag found */
} else {
break;
}
} while (true);
/* no footnotes has been replaced on this page */
if (count($l_str_FootnoteBody) == 0) {
/* return content */
return $p_str_Content;
}
/* contains the footnote template */
$l_str_FootnoteTemplate = file_get_contents(dirname(__FILE__) . "/templates/container.html");
/* loop through all footnotes found in the page */
for($l_str_Index = 0; $l_str_Index < count($l_str_FootnoteBody); $l_str_Index++) {
/* get footnote text */
$l_str_Footnote = $l_str_FootnoteBody[$l_str_Index];
/* if fottnote is empty, get to the next one */
if (empty($l_str_Footnote)) {
continue;
}
/* get footnote index */
$l_str_FirstFootnoteIndex = ($l_str_Index+1);
$l_str_FootnoteIndex = ($l_str_Index+1);
/* check if it isn't the last footnote in the array */
if ($l_str_Index+1 < count($l_str_FootnoteBody) && $l_bool_CombineIdentical) {
/* get all footnotes that I haven't passed yet */
for ($l_str_CheckIndex = $l_str_Index + 1; $l_str_CheckIndex < count($l_str_FootnoteBody); $l_str_CheckIndex++) {
/* check if a further footnote is the same as the actual one */
if ($l_str_Footnote == $l_str_FootnoteBody[$l_str_CheckIndex]) {
/* set the further footnote as empty so it won't be displayed later */
$l_str_FootnoteBody[$l_str_CheckIndex] = "";
/* add the footnote index to the actual index */
$l_str_FootnoteIndex .= ", " . ($l_str_CheckIndex + 1);
}
}
}
/* add a headline to the footer container in the bottom, but only once */
if ($l_str_Index == 0) {
$p_str_Content = $p_str_Content . '';
}
/* add the footnote to the output box */
$l_str_ReplaceText = str_replace("[[FOOTNOTE INDEX SHORT]]", $l_str_FirstFootnoteIndex, $l_str_FootnoteTemplate);
$l_str_ReplaceText = str_replace("[[FOOTNOTE INDEX]]", $l_str_FootnoteIndex, $l_str_ReplaceText);
$l_str_ReplaceText = str_replace("[[FOOTNOTE TEXT]]", $l_str_Footnote, $l_str_ReplaceText);
/* add the footnote container to the output */
$p_str_Content = $p_str_Content . $l_str_ReplaceText;
}
/* return content */
return $p_str_Content;
}
/**
* add short links to the plugin main page
* @param array $links
* @param mixed $file
* @return array
*/
function footnotes_plugin_settings_link($links, $file)
{
/* add link to the /forms.contact plugin's settings page */
$settings_link = '' . __('Settings', FOOTNOTES_PLUGIN_NAME) . '';
array_unshift($links, $settings_link);
/* return new links */
return $links;
}