/**
* Function to trim text around a word or phrase
*
* @param string $haystack Text
* @param string $needle Phrase
* @return string
*/
public static function truncateTextAroundPhrase($haystack, $needle)
{
/* Base on words */
$haystack = explode(" ", $haystack);
if (count($haystack) > 21) {
$_term_at = IPSLib::arraySearchLoose($needle, $haystack);
if ($_term_at - 11 > 0) {
$begin = array_splice($haystack, 0, $_term_at - 11);
/* The term position will have changed now */
$_term_at = IPSLib::arraySearchLoose($needle, $haystack);
}
if ($_term_at + 11 < count($haystack)) {
$end = array_splice($haystack, $_term_at + 11, count($haystack));
}
} else {
$begin = array();
$end = array();
}
$haystack = implode(" ", $haystack);
if (is_array($begin) && count($begin)) {
$haystack = '...' . $haystack;
}
if (is_array($end) && count($end)) {
$haystack = $haystack . '...';
}
return $haystack;
}
