/**
* Callback function for preg_replace_callback use.
*
* @param array $matches PREG matches
*
* @return string
*/
protected function pregCallback($matches)
{
switch (UTF8::strtolower($matches[1])) {
case 'b':
case 'strong':
return $this->toupper($matches[3]);
case 'th':
return $this->toupper($matches[3] . "\n");
case 'h':
return $this->toupper("\n\n" . $matches[3] . "\n\n");
case 'i':
case 'em':
$subject = $matches[3];
if ($this->options['do_underscores'] === true) {
$subject = '_' . $subject . '_';
}
return $subject;
case 'a':
// override the link method
$linkOverride = null;
if (preg_match('/_html2text_link_(\\w+)/', $matches[4], $linkOverrideMatch)) {
$linkOverride = $linkOverrideMatch[1];
}
// remove spaces in URL (#1487805)
$url = str_replace(' ', '', $matches[3]);
return $this->buildLinkList($url, $matches[5], $linkOverride);
default:
return '';
}
}
/**
* Parses host part of url.
*
* @param string $host Host part of url
*
* @return Host Object representation of host portion of url
*/
public function parseHost($host)
{
$host = UTF8::strtolower($host);
return new Host($this->getSubdomain($host), $this->getRegistrableDomain($host), $this->getPublicSuffix($host), $host);
}
/**
* Converts the first character of the string to lower case.
*
* @return Stringy Object with the first character of $str being lower case
*/
public function lowerCaseFirst()
{
$first = UTF8::substr($this->str, 0, 1, $this->encoding);
$rest = UTF8::substr($this->str, 1, $this->length() - 1, $this->encoding);
$str = UTF8::strtolower($first, $this->encoding) . $rest;
return static::create($str, $this->encoding);
}
/**
* Check if an (case-insensitive) string is in the current array.
*
* @param string $value
*
* @return bool
*/
public function containsCaseInsensitive($value)
{
return in_array(UTF8::strtolower($value), array_map(array(new UTF8(), 'strtolower'), $this->array), true);
}