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: / opt / psa / admin / plib / modules / advisor / vendor / icecave / parity / src / Comparator /
Filename : PhpComparator.php
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<?php

namespace PleskAdvisor\Icecave\Parity\Comparator;

/**
 * A comparator that compares using the built-in PHP less than operator.
 */
class PhpComparator implements Comparator
{
    /**
     * Compare two values, yielding a result according to the following table:
     *
     * +--------------------+---------------+
     * | Condition          | Result        |
     * +--------------------+---------------+
     * | $this == $value    | $result === 0 |
     * | $this < $value     | $result < 0   |
     * | $this > $value     | $result > 0   |
     * +--------------------+---------------+
     *
     * @param mixed $lhs The first value to compare.
     * @param mixed $rhs The second value to compare.
     *
     * @return int The result of the comparison.
     */
    public function compare($lhs, $rhs) : int
    {
        if ($lhs < $rhs) {
            return -1;
        } elseif ($rhs < $lhs) {
            return +1;
        }
        return 0;
    }
    /**
     * An alias for compare().
     *
     * @param mixed $lhs The first value to compare.
     * @param mixed $rhs The second value to compare.
     *
     * @return int The result of the comparison.
     */
    public function __invoke($lhs, $rhs) : int
    {
        return $this->compare($lhs, $rhs);
    }
}