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<?php
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namespace LeadersLinked\Library;
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abstract class Image
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{
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/**
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*
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* @param string $source
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* @param string $target_path
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* @param string $target_prefix
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* @param array $sizes
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* @param string $sufix
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* @return boolean
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*/
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/*
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public static function upload($source, $target_path, $target_prefix, $sizes = [], $sufix = '')
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{
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try {
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$data = file_get_contents($source);
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$img = imagecreatefromstring($data);
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if(!file_exists($target_path)) {
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mkdir($target_path, 0755);
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}
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if($img) {
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list($source_width, $source_height) = getimagesize($source);
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foreach($sizes as $size)
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{
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list($target_width, $target_height) = explode('x', $size);
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$x = false;
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if($x) {
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$width_ratio = $target_width / $source_width;
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$height_ratio = $target_height / $source_height;
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if($width_ratio > $height_ratio) {
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$resized_width = $target_width;
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$resized_height = $source_height * $width_ratio;
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} else {
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$resized_height = $target_height;
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$resized_width = $source_width * $height_ratio;
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}
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$resized_width = round($resized_width);
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$resized_height = round($resized_height);
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$offset_width = round(($target_width - $resized_width) / 2);
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$offset_height = round(($target_height - $resized_height) / 2);
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$new_image = imageCreateTrueColor($target_width, $target_height);
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imageAlphaBlending($new_image, False);
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imageSaveAlpha($new_image, True);
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$transparent = imageColorAllocateAlpha($new_image, 0, 0, 0, 127);
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imagefill($new_image, 0, 0, $transparent);
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imageCopyResampled($new_image, $img , $offset_width, $offset_height, 0, 0, $resized_width, $resized_height, $source_width, $source_height);
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}
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$width_ratio = $target_width / $source_width;
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$height_ratio = $target_height / $source_height;
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$radio = $width_ratio > $height_ratio ? $height_ratio : $width_ratio;
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$resized_width = round($source_width * $radio);
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$resized_height = round($source_height * $radio);
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$offset_width = round(($target_width - $resized_width) / 2);
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$offset_height = round(($target_height - $resized_height) / 2);
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$new_image = imageCreateTrueColor($target_width, $target_height);
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imageAlphaBlending($new_image, False);
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imageSaveAlpha($new_image, True);
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$transparent = imageColorAllocateAlpha($new_image, 0, 0, 0, 127);
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imagefill($new_image, 0, 0, $transparent);
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imageCopyResampled($new_image, $img , $offset_width, $offset_height, 0, 0, $resized_width, $resized_height, $source_width, $source_height);
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$target = $target_path . DIRECTORY_SEPARATOR . $target_prefix . $size . $sufix . '.png';
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if(file_exists($target)) {
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@unlink($target);
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}
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imagepng($new_image, $target);
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}
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}
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unlink($source);
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return true;
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}
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catch (\Throwable $e)
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{
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error_log($e->getTraceAsString());
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return false;
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}
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}*/
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/**
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*
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* @param string $source
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* @param string $target_path
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* @param string $target_filename
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* @param number $target_width
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* @param number $target_height
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* @param boolean $crop_to_dimensions
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* @return boolean
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*/
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public static function uploadImage($source, $target_path, $target_filename, $target_width, $target_height, $crop_to_dimensions = true )
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{
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try {
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$data = file_get_contents($source);
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$img = imagecreatefromstring($data);
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if(!file_exists($target_path)) {
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mkdir($target_path, 0755);
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}
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if($img) {
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list($source_width, $source_height) = getimagesize($source);
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if($crop_to_dimensions) {
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$width_ratio = $target_width / $source_width;
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//print 'Width Ratio: ' . $width_ratio . '<br />';
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$height_ratio = $target_height / $source_height;
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//print 'Height Ratio: ' . $height_ratio . '<br />';
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if($width_ratio > $height_ratio) {
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//print 'Width Wins<br />';
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$resized_width = $target_width;
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$resized_height = $source_height * $width_ratio;
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} else {
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//print 'Height Wins<br />';
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$resized_height = $target_height;
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$resized_width = $source_width * $height_ratio;
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}
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} else {
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$width_ratio = $target_width / $source_width;
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//print 'Width Ratio: ' . $width_ratio . '<br />';
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$resized_width = $target_width;
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$resized_height = $source_height * $width_ratio;
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//print 'Resized: ' . $resized_width . 'x' . $resized_height . '<br />';
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if($resized_height > $target_height) {
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$height_ratio = $target_height / $resized_height;
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$resized_height = $target_height;
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//print 'Height Ratio: ' . $height_ratio . '<br />';
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$resized_width = $resized_width * $height_ratio;
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//print 'Resized: ' . $resized_width . 'x' . $resized_height . '<br />';
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}
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}
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/*
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$width_ratio = $target_width / $source_width;
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$height_ratio = $target_height / $source_height;
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if($width_ratio > $height_ratio) {
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$resized_width = $target_width;
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$resized_height = $source_height * $width_ratio;
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} else {
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$resized_height = $target_height;
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$resized_width = $source_width * $height_ratio;
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}*/
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$resized_width = round($resized_width);
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$resized_height = round($resized_height);
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$offset_width = round(($target_width - $resized_width) / 2);
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$offset_height = round(($target_height - $resized_height) / 2);
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$new_image = imageCreateTrueColor($target_width, $target_height);
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imageAlphaBlending($new_image, False);
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imageSaveAlpha($new_image, True);
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$transparent = imageColorAllocateAlpha($new_image, 0, 0, 0, 127);
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imagefill($new_image, 0, 0, $transparent);
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// imageCopyResampled($new_image, $img , $offset_width, $offset_height, 0, 0, $resized_width, $resized_height, $source_width, $source_height);
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imageCopyResampled($new_image, $img , $offset_width, $offset_height, 0, 0, $resized_width, $resized_height, $source_width, $source_height);
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$target = $target_path . DIRECTORY_SEPARATOR . $target_filename;
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if(file_exists($target)) {
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@unlink($target);
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}
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imagepng($new_image, $target);
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}
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unlink($source);
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return true;
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}
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catch (\Throwable $e)
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{
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error_log($e->getTraceAsString());
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return false;
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}
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}
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/**
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*
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* @param string $source
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* @param string $target_path
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* @param string $target_filename
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* @return boolean
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*/
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public static function uploadFile($source, $target_path, $target_filename)
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{
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try {
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$data = file_get_contents($source);
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$img = imagecreatefromstring($data);
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if(!file_exists($target_path)) {
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mkdir($target_path, 0755);
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}
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if($img) {
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list($source_width, $source_height) = getimagesize($source);
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$width_ratio = $target_width / $source_width;
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$height_ratio = $target_height / $source_height;
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if($width_ratio > $height_ratio) {
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$resized_width = $target_width;
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$resized_height = $source_height * $width_ratio;
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} else {
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$resized_height = $target_height;
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$resized_width = $source_width * $height_ratio;
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}
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$resized_width = round($resized_width);
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$resized_height = round($resized_height);
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$offset_width = round(($target_width - $resized_width) / 2);
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$offset_height = round(($target_height - $resized_height) / 2);
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$new_image = imageCreateTrueColor($target_width, $target_height);
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imageAlphaBlending($new_image, False);
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imageSaveAlpha($new_image, True);
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$transparent = imageColorAllocateAlpha($new_image, 0, 0, 0, 127);
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imagefill($new_image, 0, 0, $transparent);
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imageCopyResampled($new_image, $img , $offset_width, $offset_height, 0, 0, $resized_width, $resized_height, $source_width, $source_height);
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$target = $target_path . DIRECTORY_SEPARATOR . $target_filename;
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if(file_exists($target)) {
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@unlink($target);
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}
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imagepng($new_image, $target);
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}
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unlink($source);
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return true;
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}
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catch (\Throwable $e)
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{
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error_log($e->getTraceAsString());
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return false;
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}
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}
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/**
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*
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* @param string $path
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* @param string $filename
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* @return boolean
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*/
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public static function delete($path, $filename)
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{
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try {
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if (is_dir($path)){
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if ($dh = opendir($path)) {
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while (($file = readdir($dh)) !== false)
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{
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if($file == '.' || $file == '..') {
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continue;
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}
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if($file == $filename) {
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unlink($path . DIRECTORY_SEPARATOR . $file);
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}
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}
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closedir($dh);
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}
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}
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return true;
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}
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catch (\Throwable $e)
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{
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error_log($e->getTraceAsString());
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return false;
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}
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}
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}
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