Code Duplication    Length = 20-21 lines in 3 locations

src/Phinx/Db/Adapter/PostgresAdapter.php 1 location

@@ 647-667 (lines=21) @@
644
    /**
645
     * {@inheritdoc}
646
     */
647
    public function hasForeignKey($tableName, $columns, $constraint = null)
648
    {
649
        if (is_string($columns)) {
650
            $columns = [$columns]; // str to array
651
        }
652
        $foreignKeys = $this->getForeignKeys($tableName);
653
        if ($constraint) {
654
            if (isset($foreignKeys[$constraint])) {
655
                return !empty($foreignKeys[$constraint]);
656
            }
657
658
            return false;
659
        } else {
660
            foreach ($foreignKeys as $key) {
661
                $a = array_diff($columns, $key['columns']);
662
                if (empty($a)) {
663
                    return true;
664
                }
665
            }
666
667
            return false;
668
        }
669
    }
670

src/Phinx/Db/Adapter/SqlServerAdapter.php 1 location

@@ 761-781 (lines=21) @@
758
    /**
759
     * {@inheritdoc}
760
     */
761
    public function hasForeignKey($tableName, $columns, $constraint = null)
762
    {
763
        if (is_string($columns)) {
764
            $columns = [$columns]; // str to array
765
        }
766
        $foreignKeys = $this->getForeignKeys($tableName);
767
        if ($constraint) {
768
            if (isset($foreignKeys[$constraint])) {
769
                return !empty($foreignKeys[$constraint]);
770
            }
771
772
            return false;
773
        } else {
774
            foreach ($foreignKeys as $key) {
775
                $a = array_diff($columns, $key['columns']);
776
                if (empty($a)) {
777
                    return true;
778
                }
779
            }
780
781
            return false;
782
        }
783
    }
784

src/Phinx/Db/Adapter/MysqlAdapter.php 1 location

@@ 564-583 (lines=20) @@
561
	/**
562
	 * {@inheritdoc}
563
	 */
564
	public function hasForeignKey( $tableName, $columns, $constraint = null ) {
565
		if ( is_string( $columns ) ) {
566
			$columns = [ $columns ]; // str to array
567
		}
568
		$foreignKeys = $this->getForeignKeys( $tableName );
569
		if ( $constraint ) {
570
			if ( isset( $foreignKeys[ $constraint ] ) ) {
571
				return ! empty( $foreignKeys[ $constraint ] );
572
			}
573
574
			return false;
575
		} else {
576
			foreach ( $foreignKeys as $key ) {
577
				if ( $columns == $key['columns'] ) {
578
					return true;
579
				}
580
			}
581
582
			return false;
583
		}
584
	}
585
586
	/**