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Search hilite changes from Ryan Boren 

git-svn-id: http://svn.automattic.com/wordpress/trunk@754 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
saxmatt 2004-01-12 00:59:21 +00:00
parent 6bf26558ba
commit d6ec36fed7
1 changed files with 56 additions and 5 deletions
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61
wp-includes/functions.php
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@ -1663,6 +1663,7 @@ function add_filter($tag, $function_to_add) {
/* Highlighting code c/o Ryan Boren */
function get_search_query_terms($engine = 'google') {
global $s, $s_array;
$referer = urldecode($_SERVER[HTTP_REFERER]);
$query_array = array();
switch ($engine) {
@ -1670,34 +1671,84 @@ function get_search_query_terms($engine = 'google') {
// Google query parsing code adapted from Dean Allen's
// Google Hilite 0.3. http://textism.com
$query_terms = preg_replace('/^.*q=([^&]+)&?.*$/i','$1', $referer);
$query_terms = preg_replace('/\'|"/','', $query_terms);
$query_terms = preg_replace('/\'|"/', '', $query_terms);
$query_array = preg_split ("/[\s,\+\.]+/", $query_terms);
break;
case 'lycos':
$query_terms = preg_replace('/^.*query=([^&]+)&?.*$/i','$1', $referer);
$query_terms = preg_replace('/\'|"/', '', $query_terms);
$query_array = preg_split ("/[\s,\+\.]+/", $query_terms);
break;
case 'yahoo':
$query_terms = preg_replace('/^.*p=([^&]+)&?.*$/i','$1', $referer);
$query_terms = preg_replace('/\'|"/', '', $query_terms);
$query_array = preg_split ("/[\s,\+\.]+/", $query_terms);
break;
case 'wordpress':
// Check the search form vars if the search terms
// aren't in the referer.
if ( ! preg_match('/^.*s=/i', $referer)) {
if (isset($s_array)) {
$query_array = $s_array;
} else if (isset($s)) {
$query_array = array($s);
}
break;
}
$query_terms = preg_replace('/^.*s=([^&]+)&?.*$/i','$1', $referer);
$query_terms = preg_replace('/\'|"/', '', $query_terms);
$query_array = preg_split ("/[\s,\+\.]+/", $query_terms);
break;
}
return $query_array;
}
function is_referer_search_engine($engine = 'google') {
$referer = urldecode($_SERVER[HTTP_REFERER]);
global $siteurl;
$referer = urldecode($_SERVER[HTTP_REFERER]);
//echo "referer is: $referer<br />";
if ( ! $engine ) {
return 0;
}
switch ($engine) {
case 'google':
if (preg_match('|^http://(www)?\.?google\.*|i',$referer)) {
if (preg_match('/^http:\/\/w?w?w?\.?google.*/i', $referer)) {
return 1;
}
break;
case 'lycos':
if (preg_match('/^http:\/\/search\.lycos.*/i', $referer)) {
return 1;
}
break;
case 'yahoo':
if (preg_match('/^http:\/\/search\.yahoo.*/i', $referer)) {
return 1;
}
break;
case 'wordpress':
if (preg_match("#^$siteurl#i", $referer)) {
return 1;
}
break;
}
return 0;
}
function hilite($text) {
$search_engines = array('google');
$search_engines = array('wordpress', 'google', 'lycos', 'yahoo');
foreach ($search_engines as $engine) {
if ( is_referer_search_engine($engine) ) {
@ -1709,7 +1760,7 @@ function hilite($text) {
$text = preg_replace('/(?<=>)([^<]+)?(\b'.$term.'\b)/i','$1<span class="hilite">$2</span>',$text);
}
}
break;
break;
}
}