// To set it up, just edit the "$source", "$case_sensitive",

// "$allow_as_substrings", "$names" and "$max_num_modules"

// variables below. The "$names" array contains the

// words/phrases that you want to search for, and the module

// ID or module position to use when any one of them is found.

 

$source = "content"; /* either "keywords", "description" or "content" */

 

$case_sensitive = false; /* set to true or false */

 

/* if you set $allow_as_substrings to true, then the search

 * will pick up "billybob thornton" even if you are trying

 * to search for "bob thornton". Set it to false to make

 * sure that there's an least 1 non-alphabet character on

 * each end of the string you are searching for.

 */

$allow_as_substrings = false; /* set to true or false */

 

$max_num_modules = 3; /* it will just give you the first 3 it finds */

 

/* In this array, the first part is the text to search for, and

 * the last part is the module id to include if that text is

 * found. Add as many as you like.

 * Remember every line has to end in a comma EXCEPT the last one!

 */

$names = array(

  "SABADELL" => 116, 

  "TERRASSA" => 117, 

  "GIRONA" => "118,122"

);

 

/*****************************************/

/* you shouldn't need to edit below here */

/*****************************************/

$document =& JFactory::getDocument();

 

switch ($source) {

  case "keywords":

  $content = $document->getMetaData('keywords');

  break;

 

  case "description":

  $content = $document->getMetaData('description');

  break;

 

  default:

  $buffer = $document->getBuffer();

  $content = $buffer['component'][''];

}

 

$names_escaped = array();

foreach ($names as $key=>$module) {

  if (!$case_sensitive) {

    $key = strtolower($key);

  }

  $names_escaped[preg_quote($key)] = $module;

}

$names = $names_escaped;

$names_only = str_replace('/','\/',implode("|", array_keys($names)));

 

$word_boundary = $allow_as_substrings ? '' : '\b';

 

$result = preg_match_all("/" . $word_boundary

  . "(" . $names_only . ")"

  . $word_boundary . "/"

  . ($case_sensitive ? '' : 'i'), $content, $all);

 

if ($result > 0) {

  $modules = array();

  $final = array();

 

  foreach ($all[0] as $matched_name) {

    $module = $names[$case_sensitive ?

      $matched_name : strtolower($matched_name)];

    $modules[] = $module;

  }



  // explode comma-separated module lists

  foreach ($modules as $m) {

    $exp = explode(",",$m);

    foreach ($exp as $el) {

      if (!in_array((int)$el, $final)) $final[] = (int)$el;

    }

  }



  if ( count($final) > $max_num_modules ) {

    return array_slice( $final, 0, $max_num_modules );

  }

  return $final;

}