mindplay\sql\model\expr

Complexity

Total Complexity

6

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	any()	0	9	3
A	all()	0	9	3

<?php

namespace mindplay\sql\model;

use UnexpectedValueException;

/**
 * Pseudo-namespace for expression builder functions
 */
abstract class expr
{
    /**
     * Combine a list of expressions with OR operators
     * 
     * @param string[] $exprs
     */
    public static function any(array $exprs): string
    {
        if (count($exprs) === 0) {
            throw new UnexpectedValueException("unexpected empty array");
        }

        return count($exprs) > 1
            ? "(" . implode(") OR (", $exprs) . ")"
            : $exprs[0];
    }
    
    /**
     * Combine a list of expressions with AND operators
     * 
     * @param string[] $exprs
     */
    public static function all(array $exprs): string
    {
        if (count($exprs) === 0) {
            throw new UnexpectedValueException("unexpected empty array");
        }
        
        return count($exprs) > 1
            ? "(" . implode(") AND (", $exprs) . ")"
            : $exprs[0];
    }
}