mirror of
https://github.com/php/web-php.git
synced 2026-03-31 19:52:29 +02:00
322 lines
11 KiB
PHP
322 lines
11 KiB
PHP
<?php
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include_once 'prepend.inc';
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/*
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You need to grab http://www.php.net/Mirrors-htdig.tgz and follow the
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directions in there if you want to run the search engine on your
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mirror (or emulate it on your own website).
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*/
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// Constant to specify when there is no base
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define(NO_BASE, "-");
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// Load in mirror specific configuration data (htdig path)
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if (file_exists("configuration.inc")) {
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include_once 'configuration.inc';
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}
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/* Form parameters expected:
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pattern - search keywords
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lang - language to limit search to [this is not used currently!!!]
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show - target of search action
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base - base URL to point result links to
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*/
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// If PHP added some quotes, get rid of them
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if (get_magic_quotes_gpc()) {
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if (isset($pattern)) { $pattern = stripslashes($pattern); }
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if (isset($base)) { $base = stripslashes($base); }
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if (isset($lang)) { $lang = stripslashes($lang); }
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}
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// We received something to search for
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if (isset($pattern)) {
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// Mailing list search base URL
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$ml_url = "http://marc.theaimsgroup.com/";
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// Do redirections for external search engines
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switch ($show) {
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// Quick reference lookup
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case "quickref" :
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header("Location: manual-lookup.php?pattern=" . urlencode($pattern) . "&lang=" . urlencode($lang));
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exit;
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// PHP-General mailing list search
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case "maillist" :
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$query = "l=php-general&r=1&w=2&q=b&s=" . urlencode($pattern);
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header("Location: $ml_url?$query");
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exit;
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// PHP-Dev mailing list search
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case "devlist" :
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$query = "l=php-dev&r=1&w=2&q=b&s=" . urlencode($pattern);
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header("Location: $ml_url?$query");
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exit;
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// PHPDoc mailing list search
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case "phpdoc" :
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$query = "l=phpdoc&r=1&w=2&q=b&s=" . urlencode($pattern);
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header("Location: $ml_url?$query");
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exit;
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// Bug database search
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case "bugdb" :
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$location = "http://bugs.php.net/search.php";
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$query = "cmd=Display+Bugs&status=All&bug_type=Any&search_for=" . urlencode($pattern);
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header("Location: $location?$query");
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exit;
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}
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// If some local search is needed and we have no support for
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// it, send the user to the central search page on php.net
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if (!have_search() && !isset($local_search_override)) {
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$location = "http://www.php.net/search.php";
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$query = "show=" . $show . "&pattern=" . urlencode($pattern) . "&base=" . urlencode($MYSITE);
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header("Location: $location?$query");
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exit;
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}
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// The local search engine is in place, and some
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// local search function is needed, so try to do it
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else {
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// Print out common headers
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commonHeader("Search Results");
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echo "<h1>Search Results</h1>\n";
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// Guess what base is, if it is not specified
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if (!isset($base)) {
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// The base is the referrer site, if it was a PHP mirror site,
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// but not a special one, which carries non-indexed content
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if (eregi("^http://([^.]+)\.php\.net/", $HTTP_REFERER, $matches) &&
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!in_array($matches[1], array('bonsai', 'bugs', 'conf', 'cvs', 'gtk',
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'lxr', 'master', 'news', 'pear', 'qa', 'smarty', 'snaps'))) {
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$base = "http://{$matches[1]}.php.net";
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}
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unset($matches);
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// If we are on the same site, there is no need for the base
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if ($base == $MYSITE) {
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$base = NO_BASE;
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}
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}
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// This will be the link for new searches (a clean search page)
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$sourceurl = htmlentities($base == NO_BASE ? $PHP_SELF : $base . $PHP_SELF);
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// If the pattern is empty, print out an error, and exit
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$pattern = trim($pattern);
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if ($pattern == "") {
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echo "<b>Error:</b> No search words specified.<br /><br />";
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echo "Click here for a <a href=\"$sourceurl\">New Search</a><br /><br />\n";
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commonFooter();
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exit();
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}
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// We have something to search for, now encode it as appropriate
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$words = escapeshellcmd(urlencode($pattern));
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// Restrict the search to the English manual or the
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// whole site depending on what the request asked for
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if ($show == "manual") {
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$restrict = $MYSITE . "manual/en";
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$where = "in the PHP documentation";
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} else {
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$restrict = $MYSITE;
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$where = "on the PHP website";
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}
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// If we have a page restriction, provide it for htdig
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if (isset($page)) { $pgr = "&page=" . escapeshellcmd($page); } else { $pgr = ""; }
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// Always exclude the printer friendly pages of both types
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$exclude = urlencode("/print/|/printwn/");
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// Create the htdig query, and execute the engine
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$query = "words=$words&config=php&exclude=$exclude&restrict=$restrict$pgr";
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exec("$htsearch_prog \"$query\"", $result);
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// Count the number of result rows
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$rc = count($result);
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// This means that some error occured (the output templates are in
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// Mirrors-htdig.tgz, and one of those should appear on the output)
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if ($rc < 2) {
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echo "<b>There was an error executing this query.</b><br /><br />Please try later.<br /><br />";
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commonFooter();
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exit;
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}
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// The pattern, which is insertable in HTML output too
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$htmlpt = htmlspecialchars($pattern);
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// If the third row says there is no match, then we need to inform the user
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if ($result[2] == "NOMATCH") {
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echo "Sorry, no documents matched your search for <b>\"$htmlpt\"</b>.<br /><br />";
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echo "Continue your search at ";
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echo "<a href=\"http://www.alltheweb.com/search?q=$htmlpt\">AllTheWeb</a> ";
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echo "or <a href=\"http://www.google.com/search?q=$htmlpt\">Google</a><br /><br />";
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echo "Click here for a <a href=\"$sourceurl\">New Search</a> on the PHP website<br /><br />\n";
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commonFooter();
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exit;
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}
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// We have matches, so grab the info from the output
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// (the template for this is phphead.html in Mirrors-htdig.tgz)
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list($dc, $dc, $matches, $firstdisplayed, $lastdisplayed, $page, $pages) = $result;
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// String to carry on the search parameters in prev/next URLs
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$baseurl = htmlentities($PHP_SELF . "?pattern=$words&show=$show&base=$base");
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// Print out search results information header
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echo "$matches documents match your search for '<b>$htmlpt</b>' $where:<br /><br />\n";
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echo "Click here for a <a href=\"$sourceurl\">New Search</a><br /><br />\n";
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// Top navigation
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makeBar($page, $pages, $baseurl, $firstdisplayed, $lastdisplayed);
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// Skip response header, start from index 7
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$i = 7;
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while ($i < $rc) {
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// If we have not performed a "remote search", leave the text as is
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if ($base == NO_BASE) {
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echo $result[$i];
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}
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// Otherwise modify links to point to the referrer site
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else {
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echo eregi_replace("http://[^.]+\.php\.net/", htmlspecialchars("$base/"), $result[$i]);
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}
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// Make HTML output readable
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echo "\n";
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// Go to next result element
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$i++;
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// Print out delimiter between results
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echo hdelim("#cccccc");
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}
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echo "<br />\n";
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// Bottom navigation
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makeBar($page, $pages, $baseurl, $firstdisplayed, $lastdisplayed);
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// Indicate what search engine we use
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echo "<p>Search powered by<br />\n";
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print_link("http://www.htdig.org/", make_image("htdig.gif", "ht://Dig") );
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echo "</p>\n";
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// End HTML page with footer
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commonFooter();
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}
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}
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// else of isset($pattern)
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else {
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// Print out common header
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commonHeader("Site Search");
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// Choose the target for the search form
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if (have_search() && isset($htsearch_prog)) {
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$target = $PHP_SELF;
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} else {
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$target = "http://www.php.net/search.php";
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}
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// Try to find out language to print out here
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// (also preserves $lang is provided in POST/GET)
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if (!isset($lang) && isset($LANG)) {
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$lang = $LANG;
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} elseif (!isset($lang)) {
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$lang = default_language();
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}
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?>
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<h1>Search</h1>
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<form action="<?php echo $target; ?>" method="post">
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<input type="hidden" name="lang" value="<?php echo htmlspecialchars($lang); ?>" />
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<table cellspacing="0" cellpadding="2" border="0" align="center">
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<tr valign="top">
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<td align="right">Search for:<br /></td>
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<td>
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<input type="text" name="pattern" value="" size="30" />
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<input type="submit" value=" Search "><br>
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</td>
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</tr>
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<tr valign="top">
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<td align="right">
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Restrict the search to:<br /></td>
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<td>
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<? if (!isset($show)) { $show = 'quickref'; } ?>
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<select name="show">
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<option value="quickref" <? echo ($show=='quickref') ? 'selected':''?>>function list
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<option value="nosource" <? echo ($show=='nosource') ? 'selected':''?>>whole site
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<option value="manual" <? echo ($show=='manual') ? 'selected':''?>>online documentation
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<option value="bugdb" <? echo ($show=='bugdb') ? 'selected':''?>>bug database
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<option value="maillist" <? echo ($show=='maillist') ? 'selected':''?>>general mailing list
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<option value="devlist" <? echo ($show=='devlist') ? 'selected':''?>>developer mailing list
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<option value="phpdoc" <? echo ($show=='phpdoc') ? 'selected':''?>>documentation mailing list
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</select><br />
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</td>
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</tr>
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</table>
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</form>
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<?php
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commonFooter();
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} // endof else isset($pattern)
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// Prints out the top and bottom bar on the search page. Parameters:
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// current page number, total page number, search URL without page
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// parameter, nunber of the first result displayed, and number of
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// the last result displayed
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function makeBar($page, $pages, $baseurl, $firstdisplayed, $lastdisplayed)
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{
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// Initialize prev and next values
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$prev = $next = ' ';
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// Not the first page, we need link to go back
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if ($page > 1) {
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$prev = make_link(
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$baseurl . '&page=' . ($page - 1),
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make_image('caret-l.gif', '<') . 'previous page'
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);
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}
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// Not the last page, we need link to go forward
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if ($page < $pages) {
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$next = make_link(
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$baseurl . '&page=' . ($page + 1),
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'next page' . make_image('caret-r.gif', '>')
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);
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}
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// This goes to the center
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$display = "<b>Displaying results $firstdisplayed to $lastdisplayed</b>";
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// Print out navigation table
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echo '<table border="0" width="620" bgcolor="#e0e0e0" cellpadding="0" cellspacing="4">';
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echo '<tr>';
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echo '<td align="middle" colspan="2">' . $display . '<br></td>';
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echo '</tr>';
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echo '<tr bgcolor="#cccccc"><td colspan="2">';
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spacer(1,1);
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echo '<br></td></tr>';
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echo '<tr>';
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echo '<td align="left">' . $prev . '<br></td>';
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echo '<td align="right">' . $next . '<br></td>';
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echo '</tr>';
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echo '</table><br>' . "\n";
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}
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?>
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