function search_expression_extract
search_expression_extract($expression, $option)
Extracts a module-specific search option from a search expression.
Search options are added using search_expression_insert(), and retrieved using search_expression_extract(). They take the form option:value, and are added to the ordinary keywords in the search expression.
Parameters
$expression: The search expression to extract from.
$option: The name of the option to retrieve from the search expression.
Return value
The value previously stored in the search expression for option $option, if any. Trailing spaces in values will not be included.
File
- modules/search/search.module, line 871
- Enables site-wide keyword searching.
Code
function search_expression_extract($expression, $option) { if (preg_match('/(^| )' . $option . ':([^ ]*)( |$)/i', $expression, $matches)) { return $matches[2]; } }
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https://api.drupal.org/api/drupal/modules!search!search.module/function/search_expression_extract/7.x