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<?php
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namespace common\behaviors;
use common\modules\file\components\UploaderComponent;
use yii;
use yii\base\Behavior;
class ShowImage extends Behavior
{
/**
* Resize image and return its path.
*
* @param string $dir Original image path
* @param integer|string $width New image width
* @param null|integer|string $height New image height, set NULL to save ratio
*
* @return string Resized image path
* @throws \Exception
*/
function minImg($dir, $width, $height = NULL)
{
if(empty( $dir )) {
return '/images/imageNotFound.jpg';
}
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if($width == 'original') {
$preg = '/\/(.[^\/]*)$/';
preg_match('/\.(.[^.]*)$/', $dir, $type);
if(isset( $type[ 1 ] )) {
$dir = preg_replace($preg, '/original.' . $type[ 1 ], $dir);
}
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} else {
$preg = '/\/(.[^\/]*)$/';
preg_match('/\.(.[^.]*)$/', $dir, $type);
if(isset( $type[ 1 ] )) {
$dir = preg_replace($preg, '/' . $width . 'x' . $height . '.' . $type[ 1 ], $dir);
$storage = dirname(yii\helpers\Url::to('@storage'));
$filename = $storage . $dir;
if(!file_exists($filename)) {
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$original = $storage . dirname($dir) . '/original.' . $type[ 1 ];
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$resizer = new UploaderComponent();
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if(file_exists($original)) {
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$resizer->resizeImg($width, $height, $original, $filename);
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} else {
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$imageNotFound = yii\helpers\Url::to('@storage')."/imageNotFound".$width."x".$height.".jpg";
if(!file_exists($imageNotFound)){
$resizer->resizeImg($width, $height, yii\helpers\Url::to('@storage')."/imageNotFound.jpg", $imageNotFound );
}
return "/storage/imageNotFound".$width."x".$height.".jpg";
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}
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}
}
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}
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return $dir;
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}
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/**
* @param string $array String to split
*
* @return array Array of image paths
*/
function ShowGallery($array)
{
$gallery = explode(',', $array);
if(is_array($gallery)) {
array_splice($gallery, -1);
return $gallery;
} else {
return [ ];
}
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}
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public function ShowAvatar($dir, $width, $height = NULL) {
if(empty($dir)) {
return '/images/avatar-bg.png';
} else {
return $this->minImg($dir, $width, $height);
}
}
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}
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