public Election::addConstraint

Read it at the source

Description

public Election->addConstraint ( string $constraintClass ): true

Add a constraint rules as a valid class path.

Parameter

constraintClass: string

A valid class path. Class must extend VoteConstraint class.

Return value

(true) True on success.

Throws:

• CondorcetPHP\Condorcet\Throwable\VoteConstraintException

---

Related method(s)

• Election::getConstraints
• Election::clearConstraints
• Election::isVoteValidUnderConstraints

---

Tutorial

• This method has explanations and examples in the Documentation Book