My personal blog. https://blog.airikr.me
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<?php
/*
* DiffMatchPatch is a port of the google-diff-match-patch (http://code.google.com/p/google-diff-match-patch/)
* lib to PHP.
*
* (c) 2006 Google Inc.
* (c) 2013 Daniil Skrobov <yetanotherape@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
require __DIR__ . "/../src/Diff.php";
require __DIR__ . "/../src/DiffToolkit.php";
require __DIR__ . "/../src/Utils.php";
use DiffMatchPatch\Diff;
$size = 'M';
$text1 = file_get_contents(__DIR__ . "/fixtures/{$size}_performance1.txt");
$text2 = file_get_contents(__DIR__ . "/fixtures/{$size}_performance2.txt");
//$text1 = "The quick brown fox jumps over the lazy dog.";
//$text2 = "That quick brown fox jumped over a lazy dog.";
$timeStart = microtime(1);
$diff = new Diff();
$diff->setTimeout(0);
$diff->main($text1, $text2, false)->cleanupSemantic();
$timeElapsed = microtime(1) - $timeStart;
echo 'Elapsed time: ' . round($timeElapsed, 3) . PHP_EOL;
echo 'Memory: ' . round(memory_get_peak_usage() / 1024 / 1024, 3) . PHP_EOL;
echo 'Texts length: ' . mb_strlen($text1) . ', ' . mb_strlen($text2) . PHP_EOL;
echo 'Diffs count: ' . count($diff->getChanges()) . PHP_EOL . PHP_EOL;
$timeStart = microtime(1);
$diff = new Diff();
$diff->setTimeout(0);
$diff->main($text1, $text2)->cleanupEfficiency();
$timeElapsed = microtime(1) - $timeStart;
echo 'Elapsed time: ' . round($timeElapsed, 3) . PHP_EOL;
echo 'Memory: ' . round(memory_get_peak_usage() / 1024 / 1024, 3) . PHP_EOL;
echo 'Texts length: ' . mb_strlen($text1) . ', ' . mb_strlen($text2) . PHP_EOL;
echo 'Diffs count: ' . count($diff->getChanges()) . PHP_EOL . PHP_EOL;