Source of triggers.inc.php - Zabbix

Unified diff
Side-by-side diff
Ignore whitespace
Show whitespace characters
Hide e-diff
Color accessibility
Source viewDiff to previous
 
​
/**
 * Analyze an expression and returns expression html tree.
 *
 * @param string $expression  Trigger expression or recovery expression string.
 * @param int    $type        Type can be either TRIGGER_EXPRESSION or TRIGGER_RECOVERY_EXPRESSION.
 * @param string $error       [OUT] An error message.
 *
 * @return array|bool
 */
function analyzeExpression(string $expression, int $type, string &$error = null) {
function analyzeExpression(string $expression, int $type, ?string &$error = null) {
    if ($expression === '') {
        return ['', null];
    }
​
    $expression_parser = new CExpressionParser(['usermacros' => true, 'lldmacros' => true]);
​
    if ($expression_parser->parse($expression) != CParser::PARSE_SUCCESS) {
        $error = $expression_parser->getError();
​
        return false;
Show more
 * - R   - remove.
 *
 * @param string $expression
 * @param string $expression_id   Element identifier like "0_55".
 * @param string $action          Action to perform.
 * @param string $new_expression  Expression for AND, OR or replace actions.
 * @param string $error           [OUT] An error message.
 *
 * @return bool|string  Returns new expression or false if expression is incorrect.
 */
function remakeExpression($expression, $expression_id, $action, $new_expression, string &$error = null) {
function remakeExpression($expression, $expression_id, $action, $new_expression, ?string &$error = null) {
    if ($expression === '') {
        return false;
    }
​
    $expression_parser = new CExpressionParser(['usermacros' => true, 'lldmacros' => true]);
    if ($action !== 'R' && $expression_parser->parse($new_expression) != CParser::PARSE_SUCCESS) {
        $error = $expression_parser->getError();
        return false;
    }
​