protected function FeedsExJsonPath::validateExpression in Feeds extensible parsers 7.2

Same name and namespace in other branches

1. 7 src/FeedsExJsonPath.inc \FeedsExJsonPath::validateExpression()

Validates an expression.

Parameters

string &$expression: The expression to validate.

Return value

string|null Return the error string, or null if validation was passed.

Overrides FeedsExBase::validateExpression

File

src/FeedsExJsonPath.inc, line 66

Contains FeedsExJsonPath.

Class

FeedsExJsonPath

Parses JSON via JSONPath.

Code

protected function validateExpression(&$expression) {
  $expression = trim($expression);
}