*
* @package CRM
* @copyright CiviCRM LLC https://civicrm.org/licensing
- * $Id$
- *
*/
}
/**
+ * Filters a list of fieldnames by matching a pattern which may contain * wildcards.
+ *
+ * For fieldnames joined with a dot (e.g. email.contact_id), wildcards are only allowed after the last dot.
+ *
* @param string $pattern
* @param array $fieldNames
* @return array
*/
public static function getMatchingFields($pattern, $fieldNames) {
+ // If the pattern is "select all" then we return all base fields (excluding those with a dot)
if ($pattern === '*') {
- return $fieldNames;
+ return array_values(array_filter($fieldNames, function($field) {
+ return strpos($field, '.') === FALSE;
+ }));
}
- $pattern = '/^' . str_replace('\*', '.*', preg_quote($pattern, '/')) . '$/';
- return array_values(array_filter($fieldNames, function($field) use ($pattern) {
- return preg_match($pattern, $field);
+ $dot = strrpos($pattern, '.');
+ $prefix = $dot === FALSE ? '' : substr($pattern, 0, $dot + 1);
+ $search = $dot === FALSE ? $pattern : substr($pattern, $dot + 1);
+ $search = '/^' . str_replace('\*', '.*', preg_quote($search, '/')) . '$/';
+ return array_values(array_filter($fieldNames, function($field) use ($search, $prefix) {
+ // Exclude fields that don't have the same join prefix
+ if (($prefix !== '' && strpos($field, $prefix) !== 0) || substr_count($prefix, '.') !== substr_count($field, '.')) {
+ return FALSE;
+ }
+ // Now strip the prefix and compare field name to the pattern
+ return preg_match($search, substr($field, strlen($prefix)));
}));
}