Exemple #1
0
 function get_select_from_sort($sort_sql)
 {
     $sort_clauses = preg_split('/\\s?,\\s?/', $sort_sql);
     if (count($sort_clauses) === 1) {
         return str_replace(AMP_SORT_DESC, '', $sort_sql);
     }
     $previous_sort_segment = false;
     $delimiter = "''";
     foreach ($sort_clauses as $sort_segment) {
         if ($previous_sort_segment) {
             $delimiter = 'if ( isnull( ' . $previous_sort_segment . '), \'\', \', \')';
         }
         $index_segment = str_replace(AMP_SORT_DESC, '', $sort_segment);
         $local_method = 'make_readable_select_for_' . AMP_from_camelcase($index_segment);
         if (method_exists($this, $local_method)) {
             $index_segment = $this->{$local_method}();
         }
         $index_sort[] = '( if( isnull( ' . $index_segment . '), \'\', Concat( ' . $delimiter . ',' . $index_segment . ')))';
         //after first time through loop all segments need leading punctuation
         $previous_sort_segment = $index_segment;
     }
     return "Concat( " . join(',', $index_sort) . " ) as index_field";
 }
function AMP_underscore($value)
{
    $start = AMP_from_camelcase($value);
    return strtolower(preg_replace('/_+/', '_', preg_replace('/[^A-z0-9]/', '_', $value)));
}
Exemple #3
0
 function cache_key($type, $instance_var = null)
 {
     $lookup_cache_key = AMP_CACHE_TOKEN_LOOKUP . AMP_from_camelcase($type);
     if (defined('AMP_SYSTEM_USER_ID')) {
         $lookup_cache_key = AMP_System_Cache::identify($lookup_cache_key, AMP_SYSTEM_USER_ID);
     }
     if (!isset($instance_var)) {
         return $lookup_cache_key;
     }
     //instanced lookup
     return AMP_System_Cache::identify($lookup_cache_key . 'K', $instance_var);
 }