<?php

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/**

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* Routines for generation of custom image sizes and deletion of these sizes.

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*

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* @since 1.9.0

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* @package themify

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*/

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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

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if ( ! function_exists( 'themify_do_img' ) ) {

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/**

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* Resize images dynamically using wp built in functions

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*

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* @param string|int $image Image URL or an attachment ID

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* @param int $width

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* @param int $height

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* @param bool $crop

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* @return array

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*/

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function themify_do_img( $image, $width, $height,bool $crop = false ):array {

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$attachment_id =$img_url= null;

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if(!is_numeric( $width ) ){

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$width='';

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}

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if(!is_numeric( $height ) ){

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$height='';

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}

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// if an attachment ID has been sent

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if( is_numeric( $image ) ) {

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$post = get_post( $image );

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if( $post ) {

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$attachment_id = $post->ID;

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$img_url = wp_get_attachment_url( $attachment_id );

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}

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unset($post);

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} else {

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if(strpos($image,'data:image/' )!==false ){

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return array(

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'url' =>$image,

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'width' => $width,

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'height' => $height

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);

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}

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// URL has been passed to the function

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$img_url = esc_url( $image );

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// Check if the image is an attachment. If it's external return url, width and height.

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if(strpos($img_url,themify_upload_dir('baseurl'))===false){

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if($width==='' || $height===''){

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$size = themify_get_image_size($img_url);

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if($size!==false){

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if($width===''){

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$width=$size['w'];

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}

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if($height===''){

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$height=$size['h'];

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}

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}

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}

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return array(

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'url' =>$img_url,

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'width' => $width,

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'height' => $height

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);

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}

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// Finally, run a custom database query to get the attachment ID from the modified attachment URL

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$attachment_id = themify_get_attachment_id_from_url( $img_url);

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}

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// Fetch attachment metadata. Up to this point we know the attachment ID is valid.

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$meta = $attachment_id ?wp_get_attachment_metadata( $attachment_id ):null;

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// missing metadata. bail.

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if (!is_array( $meta )) {

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if($img_url!==null){

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$ext=strtolower(strtok(pathinfo($img_url,PATHINFO_EXTENSION ),'?'));

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if($ext==='png' || $ext==='jpg' || $ext==='jpeg' || $ext==='webp' || $ext==='gif' ||$ext==='bmp' ){//popular types

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$upload_dir = themify_upload_dir();

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$attached_file=str_replace($upload_dir['baseurl'],$upload_dir['basedir'],$img_url);

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if(!is_file ($attached_file)){

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$attached_file=$attachment_id?get_attached_file( $attachment_id ):null;

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}

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if($attached_file){

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$size=themify_get_image_size($attached_file,true);

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if($size){

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$meta=array(

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'width'=>$size['w'],

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'height'=>$size['h'],

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'file'=>trim(str_replace($upload_dir['basedir'],'',$attached_file),'/')

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);

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//if the meta doesn't exist it means the image large size also doesn't exist,that is why checking if the image is too large before cropping,otherwise the site will down

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if($meta['width']>2560 || $meta['height']>2560){

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return array(

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'url' => $img_url,

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'width' => $width,

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'height' => $height,

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'is_large'=>true

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);

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}

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}

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unset($upload_dir,$ext,$size,$attached_file);

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}

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}

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}

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if ( ! is_array( $meta ) ) {

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return array(

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'url' => $img_url,

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'width' => $width,

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'height' => $height

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);

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}

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}

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// Perform calculations when height or width = 0

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if( empty( $width ) ) {

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$width = 0;

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}

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if ( empty( $height ) ) {

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// If width and height or original image are available as metadata

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if ( !empty( $meta['width'] ) && !empty( $meta['height'] ) ) {

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// Divide width by original image aspect ratio to obtain projected height

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// The floor function is used so it returns an int and metadata can be written

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$height = (int)(floor( $width / ( $meta['width'] / $meta['height'] ) ));

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} else {

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$height = 0;

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}

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}

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// Check if resized image already exists

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if ( is_array( $meta ) && isset( $meta['sizes']["resized-{$width}x{$height}"] ) ) {

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$size = $meta['sizes']["resized-{$width}x{$height}"];

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if( isset( $size['width'],$size['height'] )) {

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$split_url = explode( '/', $img_url );

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if( ! isset( $size['mime-type'] ) || $size['mime-type'] !== 'image/gif' ) {

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$split_url[ count( $split_url ) - 1 ] = $size['file'];

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}

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return array(

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'url' => implode( '/', $split_url ),

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'width' => $width,

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'height' => $height,

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'attachment_id' => $attachment_id

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);

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}

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}

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// Requested image size doesn't exists, so let's create one

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if ( true === $crop ) {

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add_filter( 'image_resize_dimensions', 'themify_img_resize_dimensions', 10, 5 );

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}

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// Patch meta because if we're here, there's a valid attachment ID for sure, but maybe the metadata is not ok.

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if ( empty( $meta ) ) {

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$meta['sizes'] = array( 'large' => array() );

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}

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// Generate image returning an array with image url, width and height. If image can't be generated, original url, width and height are used.

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$image = themify_make_image_size( $attachment_id, $width, $height, $meta, $img_url );

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if ( true === $crop ) {

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remove_filter( 'image_resize_dimensions', 'themify_img_resize_dimensions', 10 );

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}

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$image['attachment_id'] = $attachment_id;

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return $image;

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}

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}

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if ( ! function_exists( 'themify_make_image_size' ) ) {

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/**

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* Creates new image size.

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*

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* @uses get_attached_file()

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* @uses image_make_intermediate_size()

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* @uses wp_update_attachment_metadata()

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* @uses get_post_meta()

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* @uses update_post_meta()

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*

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* @param int $attachment_id

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* @param int $width

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* @param int $height

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* @param array $meta

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* @param string $img_url

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*

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* @return array

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*/

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function themify_make_image_size( $attachment_id, $width, $height, $meta, $img_url ):array {

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if($width!==0 || $height!==0){

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$upload_dir = themify_upload_dir();

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$attached_file=str_replace($upload_dir['baseurl'],$upload_dir['basedir'],$img_url);

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unset($upload_dir);

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if(!Themify_Filesystem::is_file ($attached_file)){

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$attached_file=get_attached_file( $attachment_id );

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}

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$source_size = apply_filters( 'themify_image_script_source_size', themify_get( 'setting-img_php_base_size', 'large', true ) );

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if ( $source_size !== 'full' && isset( $meta['sizes'][ $source_size ]['file'] ) ){

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$attached_file = str_replace( $meta['file'], trailingslashit( dirname( $meta['file'] ) ) . $meta['sizes'][ $source_size ]['file'], $attached_file );

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}

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unset($source_size);

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$resized = image_make_intermediate_size( $attached_file, $width, $height, true );

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if ( $resized && ! is_wp_error( $resized ) ) {

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// Save the new size in metadata

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$key = sprintf( 'resized-%dx%d', $width, $height );

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$meta['sizes'][$key] = $resized;

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$img_url = str_replace( basename( $img_url ), $resized['file'], $img_url );

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wp_update_attachment_metadata( $attachment_id, $meta );

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// Save size in backup sizes, so it's deleted when the original attachment is deleted.

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$backup_sizes = get_post_meta( $attachment_id, '_wp_attachment_backup_sizes', true );

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if ( ! is_array( $backup_sizes ) ){

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$backup_sizes = array();

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}

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$backup_sizes[$key] = $resized;

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update_post_meta( $attachment_id, '_wp_attachment_backup_sizes', $backup_sizes );

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$img_url=esc_url($img_url);

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}

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}

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// Return original image url, width and height.

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return array(

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'url' => $img_url,

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'width' => $width,

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'height' => $height

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);

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}

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}

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/**

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* Disable the min commands to choose the minimum dimension, thus enabling image enlarging.

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*

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* @param $default

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* @param $orig_w

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* @param $orig_h

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* @param $dest_w

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* @param $dest_h

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* @return array

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*/

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function themify_img_resize_dimensions( $default, $orig_w, $orig_h, $dest_w, $dest_h ):array {

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// set portion of the original image that we can size to $dest_w x $dest_h

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$aspect_ratio = $orig_w / $orig_h;

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$new_w = $dest_w;

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$new_h = $dest_h;

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if ( !$new_w ) {

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$new_w = (int)( $new_h * $aspect_ratio );

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}

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if ( !$new_h ) {

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$new_h = (int)( $new_w / $aspect_ratio );

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}

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$size_ratio = max( $new_w / $orig_w, $new_h / $orig_h );

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$crop_w = round( $new_w / $size_ratio );

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$crop_h = round( $new_h / $size_ratio );

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$s_x = floor( ( $orig_w - $crop_w ) / 2 );

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$s_y = floor( ( $orig_h - $crop_h ) / 2 );

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// the return array matches the parameters to imagecopyresampled()

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// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h

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return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );

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}

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if( ! function_exists( 'themify_get_attachment_id_from_url' ) ) :

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/**

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* Get attachment ID for image from its url.

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* @param deprecated $base_url

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*/

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function themify_get_attachment_id_from_url(string $url = '', $base_url = '' ):int {

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/* cache IDs, for when an image is displayed multiple times on the same page */

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static $cache = array();

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// If this is the URL of an auto-generated thumbnail, get the URL of the original image

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$url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif|webp|bmp)$)/i', '', $url );

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if ( ! empty( $url ) ) {

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if ( ! isset( $cache[ $url ] ) ) {

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$cache[ $url ] = themify_get_attachment_id_cache( $url );

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}

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return $cache[ $url ];

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}

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return 0;

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}

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endif;

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/**

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* Convert image URL to attachment ID, data is cached in a db for faster access

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*/

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function themify_get_attachment_id_cache(string $url ):int {

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$k=$url.'_id';

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$id = Themify_Storage::get($k);

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if ($id==='0' || ($id>0 && get_post_type($id)==='attachment') ) {

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return (int) $id;

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}

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$id = attachment_url_to_postid( $url );

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Themify_Storage::set($k,$id);

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return $id;

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}

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/**

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* Removes protocol and www from URL and returns it

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*

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* @return string

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*/

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function themify_remove_protocol_from_url( $url ) {//deprecated will be removed

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return preg_replace( '/https?:\/\/(www\.)?/', '', $url );

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}

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function themify_create_webp(string $url):string{//@todo move to class

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$res=$url;

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$info = pathinfo($res);

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if(!isset($info['extension'])){

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return $url;

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}

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$orig_ex = strtok($info['extension'],'?');

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if($orig_ex!=='png' && $orig_ex!=='jpg' && $orig_ex!=='jpeg' && $orig_ex!=='gif'){

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return $url;

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}

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static $available=null;

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if($available===NULL){

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$available=array();

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if(apply_filters('themify_disable_webp',false)===false){

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if(class_exists('Imagick',false)){

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$im = new Imagick();

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if (in_array('WEBP', $im->queryFormats('WEBP'),true) ) {

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$available['Imagick']=true;

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}

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$im->clear();

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$im=null;

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}

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if(!isset($available['Imagick']) &&function_exists('imagewebp') && (function_exists('imagecreatefromjpeg') || function_exists('imagecreatefrompng'))){

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$available['GD']=true;

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}

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}

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}

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if(!empty($available)){

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$upload_dir= themify_upload_dir();

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$sameDomain=strpos($url,$upload_dir['baseurl'])!==false;

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if($sameDomain===false && strpos($url,'http')!==0){//relative to absolute

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$tmp_url = home_url($url);

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$sameDomain=strpos($tmp_url,$upload_dir['baseurl'])!==false;

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if($sameDomain===true){

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$res=$tmp_url;

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}

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}

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if(is_multisite()){

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if($sameDomain===false){

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if(is_subdomain_install()){

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$blog_name = explode('.',$_SERVER['SERVER_NAME']);

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$blog_name=$blog_name[0];

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if(strpos($url,$blog_name)===false){

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return $url;

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}

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}

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else{

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if(!isset($_SERVER['SERVER_NAME']) || strpos($url,$_SERVER['SERVER_NAME'])===false){

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return $url;

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}

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static $site_url=null;

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if($site_url===null){

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$site_url = dirname(site_url());

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}

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if(strpos($url,$site_url)===false){

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return $url;

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}

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$blog_name =explode('/',trim(str_replace($site_url,'',$url),'/'));

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$blog_name=$blog_name[0];

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}

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static $sites=array();

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if(!isset($sites[$blog_name])){

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$blog = get_id_from_blogname($blog_name);

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if($blog===null){

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$sites[$blog_name]=false;

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return $url;

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}

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$currentBlog=pathinfo(get_site_url(),PATHINFO_FILENAME);

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switch_to_blog($blog );

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$blog_upload_dir_info = wp_get_upload_dir();

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restore_current_blog();

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$sites[$blog_name] = array('basedir'=>$blog_upload_dir_info['basedir'],'baseurl'=>str_replace('/'.$currentBlog.'/','/'.$blog_name.'/',$blog_upload_dir_info['baseurl']));// bug in WP return the current blog name url,not switched

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}

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elseif($sites[$blog_name]===false){

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return $url;

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}

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$upload_dir=$sites[$blog_name];

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}

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}

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elseif($sameDomain===false){

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return $url;

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}

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$res=str_replace($upload_dir['baseurl'],$upload_dir['basedir'],urldecode($res));

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if(strpos($res,'http')===0){

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return $url;

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}

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$resUrl=str_replace('.'.$orig_ex, '.webp', $res);

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if(is_file ($resUrl)){

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return str_replace($upload_dir['basedir'],$upload_dir['baseurl'],$resUrl);

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}

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if(!is_file ($res)){

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return $url;

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}

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$webp_quality = (int) themify_builder_get( 'setting-webp-quality', 'performance-webp_quality' );

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if ( empty( $webp_quality ) ) {

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$webp_quality = 5;

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}

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if(isset($available['Imagick'])){

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$im = new Imagick($res);

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$lowerExt=explode('/',$im->getImageMimeType());

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if(isset($lowerExt[1])){

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$lowerExt=str_replace('x-','',$lowerExt[1]);

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}else{

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$lowerExt=false;

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}

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if(($lowerExt!=='png' && $lowerExt!=='jpg' && $lowerExt!=='jpeg' && $lowerExt!=='gif') || $im->getImageWidth()>2560 || $im->getImageHeight()>2560){

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$im->clear();

[415] Fix | Delete

$im=null;

[416] Fix | Delete

return $url;

[417] Fix | Delete

}

[418] Fix | Delete

try {

[419] Fix | Delete

if($im->setImageFormat( 'webp' ) && $im->setOption( 'webp:method', $webp_quality ) && $im->setOption('webp:lossless','false') && $im->setOption('webp:low-memory', 'true') && $im->setOption('webp:use-sharp-yuv', 'true')) {

[420] Fix | Delete

[421] Fix | Delete

if (($lowerExt !== 'png' || ($im->setOption('webp:alpha-compression', 1) && $im->setOption('webp:alpha-quality', 85))) && $im->stripImage()) {

[422] Fix | Delete

[423] Fix | Delete

try {

[424] Fix | Delete

$webp = $lowerExt === 'gif' ? $im->writeImages($resUrl, true) : $im->writeImage($resUrl);

[425] Fix | Delete

}

[426] Fix | Delete

catch (Throwable $e ){

[427] Fix | Delete

$webp=false;

[428] Fix | Delete

}

[429] Fix | Delete

if(!$webp){

[430] Fix | Delete

if($lowerExt === 'gif') {

[431] Fix | Delete

try {

[432] Fix | Delete

$im->optimizeImageLayers();

[433] Fix | Delete

}

[434] Fix | Delete

catch (Throwable $e) {

[435] Fix | Delete

[436] Fix | Delete

}

[437] Fix | Delete

}

[438] Fix | Delete

$webp = file_put_contents($resUrl, ($lowerExt==='gif'?$im->getImagesBlob():$im->getImageBlob()));

[439] Fix | Delete

if ($webp) {

[440] Fix | Delete

$res = $resUrl;

[441] Fix | Delete

}else{

[442] Fix | Delete

Themify_Filesystem::delete($resUrl,'f');

[443] Fix | Delete

}

[444] Fix | Delete

}

[445] Fix | Delete

$im->clear();

[446] Fix | Delete

$im = null;

[447] Fix | Delete

}

[448] Fix | Delete

}

[449] Fix | Delete

}

[450] Fix | Delete

catch (Throwable $e ){

[451] Fix | Delete

$im->clear();

[452] Fix | Delete

$im=null;

[453] Fix | Delete

return $url;

[454] Fix | Delete

}

[455] Fix | Delete

}

[456] Fix | Delete

else{

[457] Fix | Delete

if(function_exists('exif_imagetype')){

[458] Fix | Delete

$size=image_type_to_mime_type(exif_imagetype($res));

[459] Fix | Delete

}

[460] Fix | Delete

elseif(function_exists('finfo_file')){

[461] Fix | Delete

$finfo = finfo_open(FILEINFO_MIME_TYPE);

[462] Fix | Delete

if($finfo!==false){

[463] Fix | Delete

$size=finfo_file($finfo, $res);

[464] Fix | Delete

finfo_close($finfo);

[465] Fix | Delete

}

[466] Fix | Delete

unset($finfo);

[467] Fix | Delete

}

[468] Fix | Delete

if(empty($size)){

[469] Fix | Delete

if(function_exists('mime_content_type')){

[470] Fix | Delete

$size = mime_content_type($res);

[471] Fix | Delete

}

[472] Fix | Delete

else{

[473] Fix | Delete

$size = getimagesize($res);

[474] Fix | Delete

if(!isset($size['mime']) || !isset($size[0]) || !isset($size[1]) || $size[0]>2560 || $size[1]>2560){

[475] Fix | Delete

return '';

[476] Fix | Delete

}

[477] Fix | Delete

$size=$size['mime'];

[478] Fix | Delete

}

[479] Fix | Delete

}

[480] Fix | Delete

if(empty($size)){

[481] Fix | Delete

return $url;

[482] Fix | Delete

}

[483] Fix | Delete

[484] Fix | Delete

$size=explode('/',$size);

[485] Fix | Delete

if(!isset($size[1])){

[486] Fix | Delete

return $url;

[487] Fix | Delete

}

[488] Fix | Delete

$lowerExt=$size[1];

[489] Fix | Delete

unset($size);

[490] Fix | Delete

if($lowerExt!=='png' && $lowerExt!=='jpg' && $lowerExt!=='jpeg'){

[491] Fix | Delete

return $url;

[492] Fix | Delete

}

[493] Fix | Delete

[494] Fix | Delete

switch($lowerExt){

[495] Fix | Delete

case 'jpeg':

[496] Fix | Delete

case 'jpg':

[497] Fix | Delete

if(!function_exists('imagecreatefromjpeg')){

[498] Fix | Delete

return $url;

[499] Fix | Delete