resize.php

<?php

use Imagine\Image\ImageInterface;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;

set_time_limit(60*10);

require 'vendor/autoload.php';

$serveur	= 'localhost';
$login		= 'root';
$mdp 		= '';
$nom_bdd	= 'test';
$distDir	= realpath('./output/');
$baseDir	= realpath('./photos');
$imageExts  = ['jpg', 'jpeg', 'png', 'gif'];
$options 	= [
	'resolution-units' => ImageInterface::RESOLUTION_PIXELSPERINCH,
	'resolution-x' => 72,
	'resolution-y' => 72,
	'resampling-filter' => ImageInterface::FILTER_LANCZOS,
	'jpeg_quality' => 50,
];

$k = 0;

function human_size($bytes) {
	$size = $bytes / 1024;
	if ($size < 1024) {
		$size = number_format($size, 2);
		$size .= ' Ko';
	} else {
		if ($size / 1024 < 1024) {
			$size = number_format($size / 1024, 2);
			$size .= ' Mo';
		} else if ($size / 1024 / 1024 < 1024) {
			$size = number_format($size / 1024 / 1024, 2);
			$size .= ' Go';
		}
	}
	return $size;
}

try {
	// Image
	$imagine 	= new Imagine\Imagick\Imagine();
	$transform  = new Imagine\Filter\Transformation();
	$it 		= new RecursiveDirectoryIterator($baseDir, RecursiveDirectoryIterator::SKIP_DOTS);
	$files 		= new RecursiveIteratorIterator($it, RecursiveIteratorIterator::SELF_FIRST);
	
	// BDD
	$pdo 		= new PDO("mysql:host=$serveur;dbname=$nom_bdd", $login, $mdp);
	$query 		= $pdo->prepare(
		'INSERT INTO cms_photos (base,resize, size, width, height, dpi, human_size) VALUES (:base,:resize,:size,:width,:height,:dpi,:hsize)'
	);
	
	// Logs
	$log = new Logger('logger');
	$log->pushHandler(new StreamHandler(__DIR__.'/logs/log.txt', Logger::DEBUG));
	
	$transform->thumbnail(new Imagine\Image\Box(900, 900));
	$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	$pdo->beginTransaction();
	
	foreach ($files as $info) {
		$output = str_replace($baseDir, $distDir, $info->getRealPath());
		$log->addDebug('----------------------------');
		$log->addDebug("New entry : $output");
		
		if ($info->isDir() && !is_dir($output)) {
			if (mkdir($output, true, 0775)) {
				$log->addDebug("Create new directory : $output");
			}
		} else {
			$ext = strtolower($info->getExtension());
		
	 		if (!in_array($ext, $imageExts)) continue;
	 		
	 		$pathname 	= $info->getPathname();
	 		
	 		$log->debug('Start resize', ['file' => $pathname, 'index' => ++$k]);
	 		
	 		$image 		= $imagine->open($pathname);
	 		$output		= dirname($output);
	 		$input		= trim(str_replace($baseDir, '', $info->getRealPath()), DIRECTORY_SEPARATOR);
	 		$filename	= md5($input . time()).'.'.$ext;
	 		$dpi		= $image->getImagick()->getImageResolution();
	 		$size		= $info->getSize();
	 		
	 		list ($width, $height) = getimagesize($pathname);
	 		
	 		$data = [
     			':base'		=> $input,
	     		':resize' 	=> $filename,
	     		':size'		=> $size,
	     		':width' 	=> $width,
	     		':height' 	=> $height,
	     		':dpi' 		=> $dpi['x'],
	     		':hsize'	=> human_size($size),
     		];
	 		
	     	$transform->apply($image)->save($output . '/' . $filename, $options);
	     	$log->addDebug('Image resized');
	     	
	     	$query->execute($data);
	     	$log->addDebug('Saved in database', $data);
	   	}
	}
	
	echo "<strong>$k images trait&eacute;es</strong>";
	$pdo->commit();
	
} catch (Exception $e) {
	echo 'Erreur : ' , $e->getMessage();
}