abstract protected function FeedsExBase::validateExpression in Feeds extensible parsers 7
Same name and namespace in other branches
- 7.2 src/FeedsExBase.inc \FeedsExBase::validateExpression()
Validates an expression.
Parameters
string &$expression: The expression to validate.
Return value
string|null Return the error string, or null if validation was passed.
1 call to FeedsExBase::validateExpression()
4 methods override FeedsExBase::validateExpression()
- FeedsExJmesPath::validateExpression in src/
FeedsExJmesPath.inc - Validates an expression.
- FeedsExJsonPath::validateExpression in src/
FeedsExJsonPath.inc - Validates an expression.
- FeedsExTestUi::validateExpression in tests/
FeedsExTestUi.inc - Validates an expression.
- FeedsExXml::validateExpression in src/
FeedsExXml.inc - Validates an expression.
File
- src/
FeedsExBase.inc, line 72 - Contains FeedsExBase.
Class
- FeedsExBase
- The Feeds extensible parser.
Code
protected abstract function validateExpression(&$expression);