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<?php
/**
* Parses FAQ XML file into array
*
* @return array
*/
function w3_parse_faq() {
$faq = array();
$file = W3TC_LANGUAGES_DIR . '/faq-' . get_locale() . '.xml';
if (!file_exists($file)) {
$file = W3TC_LANGUAGES_DIR . '/faq-en_US.xml';
}
$xml = @file_get_contents($file);
$file2 = W3TC_LANGUAGES_DIR . '/faq-pro-' . get_locale() . '.xml';
if (!file_exists($file)) {
$file2 = W3TC_LANGUAGES_DIR . '/faq-pro-en_US.xml';
}
$xml2 = @file_get_contents($file2);
$xmls = array('standard' => $xml, 'pro' => $xml2);
foreach ($xmls as $state => $xml) {
if (function_exists('xml_parser_create')) {
$parser = @xml_parser_create('UTF-8');
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
$values = null;
$result = xml_parse_into_struct($parser, $xml, $values);
xml_parser_free($parser);
if ($result) {
$index = 0;
$root_section = $current_section = '';
$current_entry = array();
$lvl = 0;
foreach ($values as $value) {
switch ($value['type']) {
case 'open':
if ($value['tag'] === 'section') {
$current_section = $value['attributes']['name'];
if ($root_section == '' || $lvl == 0)
$root_section = $current_section;
$lvl++;
}
break;
case 'complete':
switch ($value['tag']) {
case 'question':
$current_entry['question'] = ($state == 'pro' ? '<strong style="color:#000">PRO version: </strong>': '' ) . $value['value'];
break;
case 'answer':
$current_entry['answer'] = $value['value'];
break;
}
break;
case 'close':
if ($value['tag'] == 'entry') {
$current_entry['index'] = ++$index;
if ($root_section != $current_section)
$faq[$root_section][$current_section][] = $current_entry;
else
$faq[$root_section][] = $current_entry;
}else if ($value['tag'] == 'section') {
$lvl--;
}
break;
}
}
}
}
}
return $faq;
}
/**
* Returns button link html
*
* @param string $text
* @param string $url
* @param boolean $new_window
* @return string
*/
function w3tc_button_link($text, $url, $new_window = false) {
$url = str_replace('&', '&', $url);
if ($new_window) {
$onclick = sprintf('window.open(\'%s\');', addslashes($url));
} else {
$onclick = sprintf('document.location.href=\'%s\';', addslashes($url));
}
return w3tc_button($text, $onclick);
}
/**
* Returns hide note button html
*
* @param string $text
* @param string $note
* @param string $redirect
* @param boolean $admin if to use config admin
* @param string $page
* @return string
*/
function w3tc_button_hide_note($text, $note, $redirect = '', $admin = false, $page ='') {
if (!$page) {
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$page = W3_Request::get_string('page');
}
$url = sprintf('admin.php?page=%s&w3tc_hide_note¬e=%s', $page, $note);
if ($admin)
$url .= '&admin=1';
if ($redirect != '') {
$url .= '&redirect=' . urlencode($redirect);
}
$url = wp_nonce_url($url, 'w3tc');
return w3tc_button_link($text, $url);
}
/**
* Returns button html
*
* @param string $text
* @param string $onclick
* @param string $class
* @return string
*/
function w3tc_button($text, $onclick = '', $class = '') {
return sprintf('<input type="button" class="button %s" value="%s" onclick="%s" />', htmlspecialchars($class), htmlspecialchars($text), htmlspecialchars($onclick));
}
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