public Election::addConstraint

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Description

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

Add a constraint rules as a valid class path.

constraintClass: string

A valid class path. Class must extend VoteConstraint class.

Return value:

(true) True on success.

Throws:

  • CondorcetPHP\Condorcet\Throwable\VoteConstraintException

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