perfomance

not_unicue_values_thow_exception.php

<?php
/**
 * This file is part of me
 *
 * @author Oleksandr Khutoretskyy <olekhy@gmail.com>
 * Date: 9/9/13
 * Time: 11:30 PM
 * @license MIT
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license.
 */

$constants = array('a'=>3,1,2,2,"F" => 3,3, "DF" => 3,4,5,6, 'a','a', 'bbbb', 'f');

$my = function($constants) {
    if (max(array_count_values($constants)) > 1) {
        return;
        //throw new LogicException(sprintf(
        //    'All possible values needs to be unique. The following are ambiguous: %s',
        //    '"' . implode('","', array_unique(array_diff_assoc($constants, array_unique($constants)))) . '"'
        //));
    }
};


// opposite code by Marc Bennewitz
// Constant values needs to be unique
$their = function($constants) {
    if (count($constants) > count(array_unique($constants))) {
        return;
        //$ambiguous = array();
        //foreach (array_count_values($constants) as $constValue => $countValue) {
        //    if ($countValue > 1) {
        //        $ambiguous[] = $constValue;
        //    }
        //}
        //throw new LogicException(sprintf(
        //    'All possible values needs to be unique. The following are ambiguous: %s',
        //    "'" . implode("', '", $ambiguous) . "'"
        //));
    }
};


$s = microtime(true);

for ($i = 0; $i < 1000000; $i++) {

    try {
        $their($constants);     // 31.979820013046 and wo code inside 10.044551849365
        //$my($constants);      // 32.691072940826 and wo code inside 3.4153151512146
    } catch (Exception $e) {
    }

}
echo microtime(true) - $s;