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NAME	SIZE	PERMISSION
ID3	[ DIR ]	drwxr-xr-x
IXR	[ DIR ]	drwxr-xr-x
PHPMailer	[ DIR ]	drwxr-xr-x
Requests	[ DIR ]	drwxr-xr-x
SimplePie	[ DIR ]	drwxr-xr-x
Text	[ DIR ]	drwxr-xr-x
assets	[ DIR ]	drwxr-xr-x
block-patterns	[ DIR ]	drwxr-xr-x
block-supports	[ DIR ]	drwxr-xr-x
blocks	[ DIR ]	drwxr-xr-x
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
fonts	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
php-compat	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
random_compat	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
sitemaps	[ DIR ]	drwxr-xr-x
sodium_compat	[ DIR ]	drwxr-xr-x
style-engine	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
admin-bar.php	33.32 KB	-rwxr-xr-x
atomlib.php	11.67 KB	-rwxr-xr-x
author-template.php	18.31 KB	-rwxr-xr-x
block-editor.php	22.84 KB	-rwxr-xr-x
block-i18n.json	316 B	-rwxr-xr-x
block-patterns.php	10.89 KB	-rwxr-xr-x
block-template-utils.php	42.54 KB	-rwxr-xr-x
block-template.php	11.24 KB	-rwxr-xr-x
blocks.php	49.55 KB	-rwxr-xr-x
bookmark-template.php	12.6 KB	-rwxr-xr-x
bookmark.php	14.99 KB	-rwxr-xr-x
cache-compat.php	5.83 KB	-rwxr-xr-x
cache.php	13.16 KB	-rwxr-xr-x
canonical.php	32.55 KB	-rwxr-xr-x
capabilities.php	39.06 KB	-rwxr-xr-x
category-template.php	55.59 KB	-rwxr-xr-x
category.php	12.4 KB	-rwxr-xr-x
class-IXR.php	2.48 KB	-rwxr-xr-x
class-feed.php	529 B	-rwxr-xr-x
class-http.php	367 B	-rwxr-xr-x
class-json.php	42.66 KB	-rwxr-xr-x
class-oembed.php	401 B	-rwxr-xr-x
class-phpass.php	6.54 KB	-rwxr-xr-x
class-phpmailer.php	664 B	-rwxr-xr-x
class-pop3.php	20.35 KB	-rwxr-xr-x
class-requests.php	29.72 KB	-rwxr-xr-x
class-simplepie.php	95.78 KB	-rwxr-xr-x
class-smtp.php	457 B	-rwxr-xr-x
class-snoopy.php	36.83 KB	-rwxr-xr-x
class-walker-category-dropdown.php	2.42 KB	-rwxr-xr-x
class-walker-category.php	8.27 KB	-rwxr-xr-x
class-walker-comment.php	13.88 KB	-rwxr-xr-x
class-walker-nav-menu.php	9.16 KB	-rwxr-xr-x
class-walker-page-dropdown.php	2.64 KB	-rwxr-xr-x
class-walker-page.php	7.42 KB	-rwxr-xr-x
class-wp-admin-bar.php	17.08 KB	-rwxr-xr-x
class-wp-ajax-response.php	5.14 KB	-rwxr-xr-x
class-wp-application-passwords.php	11.97 KB	-rwxr-xr-x
class-wp-block-editor-context.php	1.32 KB	-rwxr-xr-x
class-wp-block-list.php	4.64 KB	-rwxr-xr-x
class-wp-block-parser.php	14.85 KB	-rwxr-xr-x
class-wp-block-pattern-categories-registry.php	5.25 KB	-rwxr-xr-x
class-wp-block-patterns-registry.php	7.3 KB	-rwxr-xr-x
class-wp-block-styles-registry.php	5.75 KB	-rwxr-xr-x
class-wp-block-supports.php	5.36 KB	-rwxr-xr-x
class-wp-block-template.php	1.8 KB	-rwxr-xr-x
class-wp-block-type-registry.php	4.56 KB	-rwxr-xr-x
class-wp-block-type.php	13.66 KB	-rwxr-xr-x
class-wp-block.php	8.16 KB	-rwxr-xr-x
class-wp-comment-query.php	46.55 KB	-rwxr-xr-x
class-wp-comment.php	9.13 KB	-rwxr-xr-x
class-wp-customize-control.php	25.14 KB	-rwxr-xr-x
class-wp-customize-manager.php	197.08 KB	-rwxr-xr-x
class-wp-customize-nav-menus.php	55.56 KB	-rwxr-xr-x
class-wp-customize-panel.php	10.21 KB	-rwxr-xr-x
class-wp-customize-section.php	10.74 KB	-rwxr-xr-x
class-wp-customize-setting.php	29.19 KB	-rwxr-xr-x
class-wp-customize-widgets.php	69.66 KB	-rwxr-xr-x
class-wp-date-query.php	34.65 KB	-rwxr-xr-x
class-wp-dependencies.php	13.73 KB	-rwxr-xr-x
class-wp-dependency.php	2.48 KB	-rwxr-xr-x
class-wp-editor.php	70.01 KB	-rwxr-xr-x
class-wp-embed.php	15.61 KB	-rwxr-xr-x
class-wp-error.php	7.16 KB	-rwxr-xr-x
class-wp-fatal-error-handler.php	7.68 KB	-rwxr-xr-x
class-wp-feed-cache-transient.php	2.53 KB	-rwxr-xr-x
class-wp-feed-cache.php	996 B	-rwxr-xr-x
class-wp-hook.php	15.35 KB	-rwxr-xr-x
class-wp-http-cookie.php	7.24 KB	-rwxr-xr-x
class-wp-http-curl.php	12.12 KB	-rwxr-xr-x
class-wp-http-encoding.php	6.53 KB	-rwxr-xr-x
class-wp-http-ixr-client.php	3.42 KB	-rwxr-xr-x
class-wp-http-proxy.php	5.85 KB	-rwxr-xr-x
class-wp-http-requests-hooks.php	1.96 KB	-rwxr-xr-x
class-wp-http-requests-response.php	4.24 KB	-rwxr-xr-x
class-wp-http-response.php	2.91 KB	-rwxr-xr-x
class-wp-http-streams.php	16.23 KB	-rwxr-xr-x
class-wp-http.php	38.99 KB	-rwxr-xr-x
class-wp-image-editor-gd.php	16.18 KB	-rwxr-xr-x
class-wp-image-editor-imagick.php	27.22 KB	-rwxr-xr-x
class-wp-image-editor.php	16.66 KB	-rwxr-xr-x
class-wp-list-util.php	6.85 KB	-rwxr-xr-x
class-wp-locale-switcher.php	5.04 KB	-rwxr-xr-x
class-wp-locale.php	14.19 KB	-rwxr-xr-x
class-wp-matchesmapregex.php	1.78 KB	-rwxr-xr-x
class-wp-meta-query.php	29.69 KB	-rwxr-xr-x
class-wp-metadata-lazyloader.php	5.25 KB	-rwxr-xr-x
class-wp-network-query.php	18.83 KB	-rwxr-xr-x
class-wp-network.php	11.89 KB	-rwxr-xr-x
class-wp-object-cache.php	17.18 KB	-rwxr-xr-x
class-wp-oembed-controller.php	6.69 KB	-rwxr-xr-x
class-wp-oembed.php	30.16 KB	-rwxr-xr-x
class-wp-paused-extensions-storage.php	4.94 KB	-rwxr-xr-x
class-wp-post-type.php	25.18 KB	-rwxr-xr-x
class-wp-post.php	6.33 KB	-rwxr-xr-x
class-wp-query.php	145.05 KB	-rwxr-xr-x
class-wp-recovery-mode-cookie-service.php	6.72 KB	-rwxr-xr-x
class-wp-recovery-mode-email-service.php	11.13 KB	-rwxr-xr-x
class-wp-recovery-mode-key-service.php	4.2 KB	-rwxr-xr-x
class-wp-recovery-mode-link-service.php	3.38 KB	-rwxr-xr-x
class-wp-recovery-mode.php	11.16 KB	-rwxr-xr-x
class-wp-rewrite.php	61.6 KB	-rwxr-xr-x
class-wp-role.php	2.46 KB	-rwxr-xr-x
class-wp-roles.php	8.38 KB	-rwxr-xr-x
class-wp-scripts.php	18.86 KB	-rwxr-xr-x
class-wp-session-tokens.php	7.28 KB	-rwxr-xr-x
class-wp-simplepie-file.php	3.32 KB	-rwxr-xr-x
class-wp-simplepie-sanitize-kses.php	1.76 KB	-rwxr-xr-x
class-wp-site-query.php	30.22 KB	-rwxr-xr-x
class-wp-site.php	7.28 KB	-rwxr-xr-x
class-wp-styles.php	10.64 KB	-rwxr-xr-x
class-wp-tax-query.php	19.13 KB	-rwxr-xr-x
class-wp-taxonomy.php	18.1 KB	-rwxr-xr-x
class-wp-term-query.php	39 KB	-rwxr-xr-x
class-wp-term.php	5.17 KB	-rwxr-xr-x
class-wp-text-diff-renderer-inline.php	742 B	-rwxr-xr-x
class-wp-text-diff-renderer-table.php	16.43 KB	-rwxr-xr-x
class-wp-textdomain-registry.php	4.75 KB	-rwxr-xr-x
class-wp-theme-json-data.php	1.52 KB	-rwxr-xr-x
class-wp-theme-json-resolver.php	21.9 KB	-rwxr-xr-x
class-wp-theme-json-schema.php	4.22 KB	-rwxr-xr-x
class-wp-theme-json.php	105 KB	-rwxr-xr-x
class-wp-theme.php	53.27 KB	-rwxr-xr-x
class-wp-user-meta-session-tokens.php	2.92 KB	-rwxr-xr-x
class-wp-user-query.php	38.89 KB	-rwxr-xr-x
class-wp-user-request.php	2.17 KB	-rwxr-xr-x
class-wp-user.php	22.23 KB	-rwxr-xr-x
class-wp-walker.php	12.86 KB	-rwxr-xr-x
class-wp-widget-factory.php	3.27 KB	-rwxr-xr-x
class-wp-widget.php	17.97 KB	-rwxr-xr-x
class-wp-xmlrpc-server.php	208.28 KB	-rwxr-xr-x
class-wp.php	25.39 KB	-rwxr-xr-x
class-wpdb.php	107.83 KB	-rwxr-xr-x
class.wp-dependencies.php	373 B	-rwxr-xr-x
class.wp-scripts.php	343 B	-rwxr-xr-x
class.wp-styles.php	338 B	-rwxr-xr-x
comment-template.php	94.03 KB	-rwxr-xr-x
comment.php	124.33 KB	-rwxr-xr-x
compat.php	14.65 KB	-rwxr-xr-x
cron.php	39.48 KB	-rwxr-xr-x
date.php	400 B	-rwxr-xr-x
default-constants.php	10.29 KB	-rwxr-xr-x
default-filters.php	30.63 KB	-rwxr-xr-x
default-widgets.php	2.17 KB	-rwxr-xr-x
deprecated.php	131.18 KB	-rwxr-xr-x
embed-template.php	338 B	-rwxr-xr-x
embed.php	36.58 KB	-rwxr-xr-x
error-protection.php	4.02 KB	-rwxr-xr-x
feed-atom-comments.php	5.32 KB	-rwxr-xr-x
feed-atom.php	2.98 KB	-rwxr-xr-x
feed-rdf.php	2.61 KB	-rwxr-xr-x
feed-rss.php	1.16 KB	-rwxr-xr-x
feed-rss2-comments.php	3.97 KB	-rwxr-xr-x
feed-rss2.php	3.71 KB	-rwxr-xr-x
feed.php	22.46 KB	-rwxr-xr-x
formatting.php	323.54 KB	-rwxr-xr-x
functions.php	253.61 KB	-rwxr-xr-x
functions.wp-scripts.php	13.16 KB	-rwxr-xr-x
functions.wp-styles.php	8.37 KB	-rwxr-xr-x
general-template.php	163.5 KB	-rwxr-xr-x
global-styles-and-settings.php	8.34 KB	-rwxr-xr-x
http.php	22.6 KB	-rwxr-xr-x
https-detection.php	6.7 KB	-rwxr-xr-x
https-migration.php	4.62 KB	-rwxr-xr-x
kses.php	68.1 KB	-rwxr-xr-x
l10n.php	58.89 KB	-rwxr-xr-x
link-template.php	146.62 KB	-rwxr-xr-x
load.php	49.78 KB	-rwxr-xr-x
locale.php	162 B	-rwxr-xr-x
media-template.php	59.09 KB	-rwxr-xr-x
media.php	187.05 KB	-rwxr-xr-x
meta.php	61.54 KB	-rwxr-xr-x
ms-blogs.php	24.81 KB	-rwxr-xr-x
ms-default-constants.php	4.78 KB	-rwxr-xr-x
ms-default-filters.php	6.47 KB	-rwxr-xr-x
ms-deprecated.php	21.13 KB	-rwxr-xr-x
ms-files.php	2.59 KB	-rwxr-xr-x
ms-functions.php	88.83 KB	-rwxr-xr-x
ms-load.php	19.37 KB	-rwxr-xr-x
ms-network.php	3.71 KB	-rwxr-xr-x
ms-settings.php	4.03 KB	-rwxr-xr-x
ms-site.php	38.94 KB	-rwxr-xr-x
nav-menu-template.php	23.35 KB	-rwxr-xr-x
nav-menu.php	41.32 KB	-rwxr-xr-x
option.php	76.96 KB	-rwxr-xr-x
pluggable-deprecated.php	6.12 KB	-rwxr-xr-x
pluggable.php	106.86 KB	-rwxr-xr-x
plugin.php	35.15 KB	-rwxr-xr-x
post-formats.php	6.91 KB	-rwxr-xr-x
post-template.php	64.32 KB	-rwxr-xr-x
post-thumbnail-template.php	10.65 KB	-rwxr-xr-x
post.php	269.08 KB	-rwxr-xr-x
query.php	36.03 KB	-rwxr-xr-x
registration-functions.php	200 B	-rwxr-xr-x
registration.php	200 B	-rwxr-xr-x
rest-api.php	93.92 KB	-rwxr-xr-x
revision.php	24.38 KB	-rwxr-xr-x
rewrite.php	19.04 KB	-rwxr-xr-x
robots-template.php	5.06 KB	-rwxr-xr-x
rss-functions.php	255 B	-rwxr-xr-x
rss.php	22.44 KB	-rwxr-xr-x
script-loader.php	133.25 KB	-rwxr-xr-x
session.php	258 B	-rwxr-xr-x
shortcodes.php	20.93 KB	-rwxr-xr-x
sitemaps.php	3.16 KB	-rwxr-xr-x
spl-autoload-compat.php	441 B	-rwxr-xr-x
style-engine.php	6.25 KB	-rwxr-xr-x
taxonomy.php	168.11 KB	-rwxr-xr-x
template-canvas.php	592 B	-rwxr-xr-x
template-loader.php	2.94 KB	-rwxr-xr-x
template.php	22.79 KB	-rwxr-xr-x
theme-i18n.json	1.12 KB	-rwxr-xr-x
theme-templates.php	5.35 KB	-rwxr-xr-x
theme.json	9.19 KB	-rwxr-xr-x
theme.php	126.58 KB	-rwxr-xr-x
update.php	33.85 KB	-rwxr-xr-x
user.php	165.26 KB	-rwxr-xr-x
vars.php	5.73 KB	-rwxr-xr-x
version.php	929 B	-rwxr-xr-x
widgets.php	67.6 KB	-rwxr-xr-x
wlwmanifest.xml	1.02 KB	-rwxr-xr-x
wp-db.php	445 B	-rwxr-xr-x
wp-diff.php	647 B	-rwxr-xr-x

Code Editor : class-wp-image-editor.php

<?php
/**
 * Base WordPress Image Editor
 *
 * @package WordPress
 * @subpackage Image_Editor
 */

/**
 * Base image editor class from which implementations extend
 *
 * @since 3.5.0
 */
#[AllowDynamicProperties]
abstract class WP_Image_Editor {
	protected $file              = null;
	protected $size              = null;
	protected $mime_type         = null;
	protected $output_mime_type  = null;
	protected $default_mime_type = 'image/jpeg';
	protected $quality           = false;

// Deprecated since 5.8.1. See get_default_quality() below.
	protected $default_quality = 82;

/**
	 * Each instance handles a single file.
	 *
	 * @param string $file Path to the file to load.
	 */
	public function __construct( $file ) {
		$this->file = $file;
	}

/**
	 * Checks to see if current environment supports the editor chosen.
	 * Must be overridden in a subclass.
	 *
	 * @since 3.5.0
	 *
	 * @abstract
	 *
	 * @param array $args
	 * @return bool
	 */
	public static function test( $args = array() ) {
		return false;
	}

/**
	 * Checks to see if editor supports the mime-type specified.
	 * Must be overridden in a subclass.
	 *
	 * @since 3.5.0
	 *
	 * @abstract
	 *
	 * @param string $mime_type
	 * @return bool
	 */
	public static function supports_mime_type( $mime_type ) {
		return false;
	}

/**
	 * Loads image from $this->file into editor.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @return true|WP_Error True if loaded; WP_Error on failure.
	 */
	abstract public function load();

/**
	 * Saves current image to file.
	 *
	 * @since 3.5.0
	 * @since 6.0.0 The `$filesize` value was added to the returned array.
	 * @abstract
	 *
	 * @param string $destfilename Optional. Destination filename. Default null.
	 * @param string $mime_type    Optional. The mime-type. Default null.
	 * @return array|WP_Error {
	 *     Array on success or WP_Error if the file failed to save.
	 *
	 *     @type string $path      Path to the image file.
	 *     @type string $file      Name of the image file.
	 *     @type int    $width     Image width.
	 *     @type int    $height    Image height.
	 *     @type string $mime-type The mime type of the image.
	 *     @type int    $filesize  File size of the image.
	 * }
	 */
	abstract public function save( $destfilename = null, $mime_type = null );

/**
	 * Resizes current image.
	 *
	 * At minimum, either a height or width must be provided.
	 * If one of the two is set to null, the resize will
	 * maintain aspect ratio according to the provided dimension.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param int|null $max_w Image width.
	 * @param int|null $max_h Image height.
	 * @param bool     $crop
	 * @return true|WP_Error
	 */
	abstract public function resize( $max_w, $max_h, $crop = false );

/**
	 * Resize multiple images from a single source.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param array $sizes {
	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'large'.
	 *
	 *     @type array ...$0 {
	 *         @type int  $width  Image width.
	 *         @type int  $height Image height.
	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
	 *     }
	 * }
	 * @return array An array of resized images metadata by size.
	 */
	abstract public function multi_resize( $sizes );

/**
	 * Crops Image.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param int  $src_x   The start x position to crop from.
	 * @param int  $src_y   The start y position to crop from.
	 * @param int  $src_w   The width to crop.
	 * @param int  $src_h   The height to crop.
	 * @param int  $dst_w   Optional. The destination width.
	 * @param int  $dst_h   Optional. The destination height.
	 * @param bool $src_abs Optional. If the source crop points are absolute.
	 * @return true|WP_Error
	 */
	abstract public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false );

/**
	 * Rotates current image counter-clockwise by $angle.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param float $angle
	 * @return true|WP_Error
	 */
	abstract public function rotate( $angle );

/**
	 * Flips current image.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param bool $horz Flip along Horizontal Axis
	 * @param bool $vert Flip along Vertical Axis
	 * @return true|WP_Error
	 */
	abstract public function flip( $horz, $vert );

/**
	 * Streams current image to browser.
	 *
	 * @since 3.5.0
	 * @abstract
	 *
	 * @param string $mime_type The mime type of the image.
	 * @return true|WP_Error True on success, WP_Error object on failure.
	 */
	abstract public function stream( $mime_type = null );

/**
	 * Gets dimensions of image.
	 *
	 * @since 3.5.0
	 *
	 * @return int[] {
	 *     Dimensions of the image.
	 *
	 *     @type int $width  The image width.
	 *     @type int $height The image height.
	 * }
	 */
	public function get_size() {
		return $this->size;
	}

/**
	 * Sets current image size.
	 *
	 * @since 3.5.0
	 *
	 * @param int $width
	 * @param int $height
	 * @return true
	 */
	protected function update_size( $width = null, $height = null ) {
		$this->size = array(
			'width'  => (int) $width,
			'height' => (int) $height,
		);
		return true;
	}

/**
	 * Gets the Image Compression quality on a 1-100% scale.
	 *
	 * @since 4.0.0
	 *
	 * @return int Compression Quality. Range: [1,100]
	 */
	public function get_quality() {
		if ( ! $this->quality ) {
			$this->set_quality();
		}

return $this->quality;
	}

/**
	 * Sets Image Compression quality on a 1-100% scale.
	 *
	 * @since 3.5.0
	 *
	 * @param int $quality Compression Quality. Range: [1,100]
	 * @return true|WP_Error True if set successfully; WP_Error on failure.
	 */
	public function set_quality( $quality = null ) {
		// Use the output mime type if present. If not, fall back to the input/initial mime type.
		$mime_type = ! empty( $this->output_mime_type ) ? $this->output_mime_type : $this->mime_type;
		// Get the default quality setting for the mime type.
		$default_quality = $this->get_default_quality( $mime_type );

if ( null === $quality ) {
			/**
			 * Filters the default image compression quality setting.
			 *
			 * Applies only during initial editor instantiation, or when set_quality() is run
			 * manually without the `$quality` argument.
			 *
			 * The WP_Image_Editor::set_quality() method has priority over the filter.
			 *
			 * @since 3.5.0
			 *
			 * @param int    $quality   Quality level between 1 (low) and 100 (high).
			 * @param string $mime_type Image mime type.
			 */
			$quality = apply_filters( 'wp_editor_set_quality', $default_quality, $mime_type );

if ( 'image/jpeg' === $mime_type ) {
				/**
				 * Filters the JPEG compression quality for backward-compatibility.
				 *
				 * Applies only during initial editor instantiation, or when set_quality() is run
				 * manually without the `$quality` argument.
				 *
				 * The WP_Image_Editor::set_quality() method has priority over the filter.
				 *
				 * The filter is evaluated under two contexts: 'image_resize', and 'edit_image',
				 * (when a JPEG image is saved to file).
				 *
				 * @since 2.5.0
				 *
				 * @param int    $quality Quality level between 0 (low) and 100 (high) of the JPEG.
				 * @param string $context Context of the filter.
				 */
				$quality = apply_filters( 'jpeg_quality', $quality, 'image_resize' );
			}

if ( $quality < 0 || $quality > 100 ) {
				$quality = $default_quality;
			}
		}

// Allow 0, but squash to 1 due to identical images in GD, and for backward compatibility.
		if ( 0 === $quality ) {
			$quality = 1;
		}

if ( ( $quality >= 1 ) && ( $quality <= 100 ) ) {
			$this->quality = $quality;
			return true;
		} else {
			return new WP_Error( 'invalid_image_quality', __( 'Attempted to set image quality outside of the range [1,100].' ) );
		}
	}

/**
	 * Returns the default compression quality setting for the mime type.
	 *
	 * @since 5.8.1
	 *
	 * @param string $mime_type
	 * @return int The default quality setting for the mime type.
	 */
	protected function get_default_quality( $mime_type ) {
		switch ( $mime_type ) {
			case 'image/webp':
				$quality = 86;
				break;
			case 'image/jpeg':
			default:
				$quality = $this->default_quality;
		}

return $quality;
	}

/**
	 * Returns preferred mime-type and extension based on provided
	 * file's extension and mime, or current file's extension and mime.
	 *
	 * Will default to $this->default_mime_type if requested is not supported.
	 *
	 * Provides corrected filename only if filename is provided.
	 *
	 * @since 3.5.0
	 *
	 * @param string $filename
	 * @param string $mime_type
	 * @return array { filename|null, extension, mime-type }
	 */
	protected function get_output_format( $filename = null, $mime_type = null ) {
		$new_ext = null;

// By default, assume specified type takes priority.
		if ( $mime_type ) {
			$new_ext = $this->get_extension( $mime_type );
		}

if ( $filename ) {
			$file_ext  = strtolower( pathinfo( $filename, PATHINFO_EXTENSION ) );
			$file_mime = $this->get_mime_type( $file_ext );
		} else {
			// If no file specified, grab editor's current extension and mime-type.
			$file_ext  = strtolower( pathinfo( $this->file, PATHINFO_EXTENSION ) );
			$file_mime = $this->mime_type;
		}

// Check to see if specified mime-type is the same as type implied by
		// file extension. If so, prefer extension from file.
		if ( ! $mime_type || ( $file_mime == $mime_type ) ) {
			$mime_type = $file_mime;
			$new_ext   = $file_ext;
		}

/**
		 * Filters the image editor output format mapping.
		 *
		 * Enables filtering the mime type used to save images. By default,
		 * the mapping array is empty, so the mime type matches the source image.
		 *
		 * @see WP_Image_Editor::get_output_format()
		 *
		 * @since 5.8.0
		 *
		 * @param string[] $output_format {
		 *     An array of mime type mappings. Maps a source mime type to a new
		 *     destination mime type. Default empty array.
		 *
		 *     @type string ...$0 The new mime type.
		 * }
		 * @param string $filename  Path to the image.
		 * @param string $mime_type The source image mime type.
		 */
		$output_format = apply_filters( 'image_editor_output_format', array(), $filename, $mime_type );

if ( isset( $output_format[ $mime_type ] )
			&& $this->supports_mime_type( $output_format[ $mime_type ] )
		) {
			$mime_type = $output_format[ $mime_type ];
			$new_ext   = $this->get_extension( $mime_type );
		}

// Double-check that the mime-type selected is supported by the editor.
		// If not, choose a default instead.
		if ( ! $this->supports_mime_type( $mime_type ) ) {
			/**
			 * Filters default mime type prior to getting the file extension.
			 *
			 * @see wp_get_mime_types()
			 *
			 * @since 3.5.0
			 *
			 * @param string $mime_type Mime type string.
			 */
			$mime_type = apply_filters( 'image_editor_default_mime_type', $this->default_mime_type );
			$new_ext   = $this->get_extension( $mime_type );
		}

// Ensure both $filename and $new_ext are not empty.
		// $this->get_extension() returns false on error which would effectively remove the extension
		// from $filename. That shouldn't happen, files without extensions are not supported.
		if ( $filename && $new_ext ) {
			$dir = pathinfo( $filename, PATHINFO_DIRNAME );
			$ext = pathinfo( $filename, PATHINFO_EXTENSION );

$filename = trailingslashit( $dir ) . wp_basename( $filename, ".$ext" ) . ".{$new_ext}";
		}

if ( $mime_type && ( $mime_type !== $this->mime_type ) ) {
			// The image will be converted when saving. Set the quality for the new mime-type if not already set.
			if ( $mime_type !== $this->output_mime_type ) {
				$this->output_mime_type = $mime_type;
			}
			$this->set_quality();
		} elseif ( ! empty( $this->output_mime_type ) ) {
			// Reset output_mime_type and quality.
			$this->output_mime_type = null;
			$this->set_quality();
		}

return array( $filename, $new_ext, $mime_type );
	}

/**
	 * Builds an output filename based on current file, and adding proper suffix
	 *
	 * @since 3.5.0
	 *
	 * @param string $suffix
	 * @param string $dest_path
	 * @param string $extension
	 * @return string filename
	 */
	public function generate_filename( $suffix = null, $dest_path = null, $extension = null ) {
		// $suffix will be appended to the destination filename, just before the extension.
		if ( ! $suffix ) {
			$suffix = $this->get_suffix();
		}

$dir = pathinfo( $this->file, PATHINFO_DIRNAME );
		$ext = pathinfo( $this->file, PATHINFO_EXTENSION );

$name    = wp_basename( $this->file, ".$ext" );
		$new_ext = strtolower( $extension ? $extension : $ext );

if ( ! is_null( $dest_path ) ) {
			if ( ! wp_is_stream( $dest_path ) ) {
				$_dest_path = realpath( $dest_path );
				if ( $_dest_path ) {
					$dir = $_dest_path;
				}
			} else {
				$dir = $dest_path;
			}
		}

return trailingslashit( $dir ) . "{$name}-{$suffix}.{$new_ext}";
	}

/**
	 * Builds and returns proper suffix for file based on height and width.
	 *
	 * @since 3.5.0
	 *
	 * @return string|false suffix
	 */
	public function get_suffix() {
		if ( ! $this->get_size() ) {
			return false;
		}

return "{$this->size['width']}x{$this->size['height']}";
	}

/**
	 * Check if a JPEG image has EXIF Orientation tag and rotate it if needed.
	 *
	 * @since 5.3.0
	 *
	 * @return bool|WP_Error True if the image was rotated. False if not rotated (no EXIF data or the image doesn't need to be rotated).
	 *                       WP_Error if error while rotating.
	 */
	public function maybe_exif_rotate() {
		$orientation = null;

if ( is_callable( 'exif_read_data' ) && 'image/jpeg' === $this->mime_type ) {
			$exif_data = @exif_read_data( $this->file );

if ( ! empty( $exif_data['Orientation'] ) ) {
				$orientation = (int) $exif_data['Orientation'];
			}
		}

/**
		 * Filters the `$orientation` value to correct it before rotating or to prevent rotating the image.
		 *
		 * @since 5.3.0
		 *
		 * @param int    $orientation EXIF Orientation value as retrieved from the image file.
		 * @param string $file        Path to the image file.
		 */
		$orientation = apply_filters( 'wp_image_maybe_exif_rotate', $orientation, $this->file );

if ( ! $orientation || 1 === $orientation ) {
			return false;
		}

switch ( $orientation ) {
			case 2:
				// Flip horizontally.
				$result = $this->flip( false, true );
				break;
			case 3:
				// Rotate 180 degrees or flip horizontally and vertically.
				// Flipping seems faster and uses less resources.
				$result = $this->flip( true, true );
				break;
			case 4:
				// Flip vertically.
				$result = $this->flip( true, false );
				break;
			case 5:
				// Rotate 90 degrees counter-clockwise and flip vertically.
				$result = $this->rotate( 90 );

if ( ! is_wp_error( $result ) ) {
					$result = $this->flip( true, false );
				}

break;
			case 6:
				// Rotate 90 degrees clockwise (270 counter-clockwise).
				$result = $this->rotate( 270 );
				break;
			case 7:
				// Rotate 90 degrees counter-clockwise and flip horizontally.
				$result = $this->rotate( 90 );

if ( ! is_wp_error( $result ) ) {
					$result = $this->flip( false, true );
				}

break;
			case 8:
				// Rotate 90 degrees counter-clockwise.
				$result = $this->rotate( 90 );
				break;
		}

return $result;
	}

/**
	 * Either calls editor's save function or handles file as a stream.
	 *
	 * @since 3.5.0
	 *
	 * @param string   $filename
	 * @param callable $callback
	 * @param array    $arguments
	 * @return bool
	 */
	protected function make_image( $filename, $callback, $arguments ) {
		$stream = wp_is_stream( $filename );
		if ( $stream ) {
			ob_start();
		} else {
			// The directory containing the original file may no longer exist when using a replication plugin.
			wp_mkdir_p( dirname( $filename ) );
		}

$result = call_user_func_array( $callback, $arguments );

if ( $result && $stream ) {
			$contents = ob_get_contents();

$fp = fopen( $filename, 'w' );

if ( ! $fp ) {
				ob_end_clean();
				return false;
			}

fwrite( $fp, $contents );
			fclose( $fp );
		}

if ( $stream ) {
			ob_end_clean();
		}

return $result;
	}

/**
	 * Returns first matched mime-type from extension,
	 * as mapped from wp_get_mime_types()
	 *
	 * @since 3.5.0
	 *
	 * @param string $extension
	 * @return string|false
	 */
	protected static function get_mime_type( $extension = null ) {
		if ( ! $extension ) {
			return false;
		}

$mime_types = wp_get_mime_types();
		$extensions = array_keys( $mime_types );

foreach ( $extensions as $_extension ) {
			if ( preg_match( "/{$extension}/i", $_extension ) ) {
				return $mime_types[ $_extension ];
			}
		}

return false;
	}

/**
	 * Returns first matched extension from Mime-type,
	 * as mapped from wp_get_mime_types()
	 *
	 * @since 3.5.0
	 *
	 * @param string $mime_type
	 * @return string|false
	 */
	protected static function get_extension( $mime_type = null ) {
		if ( empty( $mime_type ) ) {
			return false;
		}

return wp_get_default_extension_for_mime_type( $mime_type );
	}
}

${this.title}

Code Editor : class-wp-image-editor.php