diff options
| author | dave <dave@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2008-05-27 10:22:41 +0000 |
|---|---|---|
| committer | dave <dave@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2008-05-27 10:22:41 +0000 |
| commit | eaf2ab7fcf4a915443d3890d98e1d4049e65be64 (patch) | |
| tree | 18d3d0a78c7c8d1832cd7c6d97bf9b285857e5b5 /engine/lib/social.php | |
| parent | 4baed40f5e6288778670ccd2a37047aefba82faa (diff) | |
| download | elgg-eaf2ab7fcf4a915443d3890d98e1d4049e65be64.tar.gz elgg-eaf2ab7fcf4a915443d3890d98e1d4049e65be64.tar.bz2 | |
create a new social library in the engine. Moved string parsing for links to input.php and removed converting strings to tags from the shouts plugin and added them to the social library.
git-svn-id: https://code.elgg.org/elgg/trunk@723 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine/lib/social.php')
| -rw-r--r-- | engine/lib/social.php | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/engine/lib/social.php b/engine/lib/social.php new file mode 100644 index 000000000..bc66c0466 --- /dev/null +++ b/engine/lib/social.php @@ -0,0 +1,103 @@ +<?php
+
+ /**
+ * Elgg Social
+ * Functions and objects which provide powerful social aspects within Elgg
+ *
+ * @package Elgg
+ * @subpackage Core
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+ * @author Curverider
+ * @copyright Curverider Ltd 2008
+ * @link http://elgg.org/
+
+ /**
+ * Filters a string into an array of significant words
+ *
+ * @param string $string
+ * @return array
+ */
+ function filter_string(string $string) {
+
+ // Convert it to lower and trim
+ $string = strtolower($string);
+ $string = trim($string);
+
+ // Remove links and email addresses
+ // match protocol://address/path/file.extension?some=variable&another=asf%
+ $string = preg_replace("/\s([a-zA-Z]+:\/\/[a-z][a-z0-9\_\.\-]*[a-z]{2,6}[a-zA-Z0-9\/\*\-\?\&\%\=]*)([\s|\.|\,])/iu"," ", $string);
+ // match www.something.domain/path/file.extension?some=variable&another=asf%
+ $string = preg_replace("/\s(www\.[a-z][a-z0-9\_\.\-]*[a-z]{2,6}[a-zA-Z0-9\/\*\-\?\&\%\=]*)([\s|\.|\,])/iu"," ", $string);
+ // match name@address
+ $string = preg_replace("/\s([a-zA-Z][a-zA-Z0-9\_\.\-]*[a-zA-Z]*\@[a-zA-Z][a-zA-Z0-9\_\.\-]*[a-zA-Z]{2,6})([\s|\.|\,])/iu"," ", $string);
+
+ // Sanitise the string; remove unwanted characters
+ $string = preg_replace('/\W/ui', ' ', $string);
+
+ // Explode it into an array
+ $terms = explode(' ',$string);
+
+ // Remove any blacklist terms
+ $terms = array_filter($terms, 'remove_blacklist');
+
+ return $terms;
+
+ }
+
+ /**
+ * Returns true if the word in $input is considered significant
+ *
+ * @param string $input
+ * @return true|false
+ */
+ function remove_blacklist($input) {
+
+ global $CONFIG;
+
+ if (strlen($input) < 3 || in_array($input,$CONFIG->wordblacklist))
+ return false;
+
+ return true;
+
+ }
+
+ // Set the shout words blacklist, these do not become tags when the string is converted
+ GLOBAL $CONFIG;
+ $CONFIG->wordblacklist = array(
+ 'and',
+ 'the',
+ 'then',
+ 'but',
+ 'she',
+ 'his',
+ 'her',
+ 'him',
+ 'one',
+ 'not',
+ 'also',
+ 'about',
+ 'now',
+ 'hence',
+ 'however',
+ 'still',
+ 'likewise',
+ 'otherwise',
+ 'therefore',
+ 'conversely',
+ 'rather',
+ 'consequently',
+ 'furthermore',
+ 'nevertheless',
+ 'instead',
+ 'meanwhile',
+ 'accordingly',
+ 'this',
+ 'seems',
+ 'what',
+ 'whom',
+ 'whose',
+ 'whoever',
+ 'whomever',
+ );
+
+?>
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