Returns whether this expression is logically equivalent to another expression.
| public equivalentTo ( Webmozart\Expression\Expression $other ) : boolean | ||
| $other | Webmozart\Expression\Expression | Some expression. |
| 리턴 | boolean | Returns `true` if the expressions are logically equivalent and `false` otherwise. |
/**
* {@inheritdoc}
*/
public function equivalentTo(Expression $other)
{
if (get_class($this) !== get_class($other)) {
return false;
}
/* @var Selector $other */
return $this->expr->equivalentTo($other->expr);
}
/**
* @dataProvider getNonEquivalentCriteria
*/
public function testNonEquivalence(Expression $left, Expression $right)
{
$this->assertFalse($left->equivalentTo($right));
$this->assertFalse($right->equivalentTo($left));
}
