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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
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
random_compat	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
admin-bar.php	29.03 KB	-rw-r--r--
atomlib.php	11.56 KB	-rw-r--r--
author-template.php	16.22 KB	-rw-r--r--
blocks.php	12.43 KB	-rw-r--r--
bookmark-template.php	11.64 KB	-rw-r--r--
bookmark.php	13.55 KB	-rw-r--r--
bootstrap.php	4.11 KB	-rw-r--r--
cache.php	21.35 KB	-rw-r--r--
canonical.php	27.83 KB	-rw-r--r--
capabilities.php	28.84 KB	-rw-r--r--
category-template.php	50.8 KB	-rw-r--r--
category.php	12.41 KB	-rw-r--r--
class-IXR.php	2.51 KB	-rw-r--r--
class-feed.php	523 B	-rw-r--r--
class-http.php	36.22 KB	-rw-r--r--
class-json.php	39.53 KB	-rw-r--r--
class-oembed.php	30.73 KB	-rw-r--r--
class-phpass.php	7.15 KB	-rw-r--r--
class-phpmailer.php	668 B	-rw-r--r--
class-pop3.php	20.43 KB	-rw-r--r--
class-requests.php	29.09 KB	-rw-r--r--
class-simplepie.php	87.17 KB	-rw-r--r--
class-smtp.php	461 B	-rw-r--r--
class-walker-category-dropdown...	2.07 KB	-rw-r--r--
class-walker-category.php	6.62 KB	-rw-r--r--
class-walker-comment.php	13.33 KB	-rw-r--r--
class-walker-nav-menu.php	8.38 KB	-rw-r--r--
class-walker-page-dropdown.php	2.24 KB	-rw-r--r--
class-walker-page.php	6.78 KB	-rw-r--r--
class-wp-admin-bar.php	16.08 KB	-rw-r--r--
class-wp-ajax-response.php	5.01 KB	-rw-r--r--
class-wp-block-parser.php	14.86 KB	-rw-r--r--
class-wp-block-type-registry.p...	4.63 KB	-rw-r--r--
class-wp-block-type.php	4.7 KB	-rw-r--r--
class-wp-comment-query.php	42.21 KB	-rw-r--r--
class-wp-comment.php	8.75 KB	-rw-r--r--
class-wp-customize-control.php	24.49 KB	-rw-r--r--
class-wp-customize-manager.php	195.47 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	53.08 KB	-rw-r--r--
class-wp-customize-panel.php	9.42 KB	-rw-r--r--
class-wp-customize-section.php	9.99 KB	-rw-r--r--
class-wp-customize-setting.php	27.59 KB	-rw-r--r--
class-wp-dependency.php	2.28 KB	-rw-r--r--
class-wp-editor.php	66.27 KB	-rw-r--r--
class-wp-embed.php	14.38 KB	-rw-r--r--
class-wp-error.php	4.81 KB	-rw-r--r--
class-wp-feed-cache-transient....	2.5 KB	-rw-r--r--
class-wp-feed-cache.php	749 B	-rw-r--r--
class-wp-hook.php	13.77 KB	-rw-r--r--
class-wp-http-cookie.php	6.44 KB	-rw-r--r--
class-wp-http-curl.php	11.64 KB	-rw-r--r--
class-wp-http-encoding.php	6.35 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.25 KB	-rw-r--r--
class-wp-http-proxy.php	5.92 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.83 KB	-rw-r--r--
class-wp-http-requests-respons...	4.19 KB	-rw-r--r--
class-wp-http-response.php	2.8 KB	-rw-r--r--
class-wp-http-streams.php	15.02 KB	-rw-r--r--
class-wp-image-editor-gd.php	13.18 KB	-rw-r--r--
class-wp-image-editor-imagick....	21.27 KB	-rw-r--r--
class-wp-image-editor.php	11.49 KB	-rw-r--r--
class-wp-list-util.php	6.25 KB	-rw-r--r--
class-wp-locale-switcher.php	4.91 KB	-rw-r--r--
class-wp-locale.php	14.26 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.76 KB	-rw-r--r--
class-wp-meta-query.php	22.86 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	5.26 KB	-rw-r--r--
class-wp-network-query.php	16.79 KB	-rw-r--r--
class-wp-network.php	11.93 KB	-rw-r--r--
class-wp-oembed-controller.php	5.88 KB	-rw-r--r--
class-wp-post-type.php	17.81 KB	-rw-r--r--
class-wp-post.php	6.28 KB	-rw-r--r--
class-wp-query.php	127.67 KB	-rw-r--r--
class-wp-rewrite.php	58.42 KB	-rw-r--r--
class-wp-role.php	2.6 KB	-rw-r--r--
class-wp-roles.php	8.13 KB	-rw-r--r--
class-wp-session-tokens.php	7.25 KB	-rw-r--r--
class-wp-simplepie-file.php	2.27 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.73 KB	-rw-r--r--
class-wp-site-query.php	26.78 KB	-rw-r--r--
class-wp-site.php	7.13 KB	-rw-r--r--
class-wp-tax-query.php	18.81 KB	-rw-r--r--
class-wp-taxonomy.php	10.41 KB	-rw-r--r--
class-wp-term-query.php	33.84 KB	-rw-r--r--
class-wp-term.php	5.14 KB	-rw-r--r--
class-wp-text-diff-renderer-in...	716 B	-rw-r--r--
class-wp-text-diff-renderer-ta...	16.06 KB	-rw-r--r--
class-wp-theme.php	48.09 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.92 KB	-rw-r--r--
class-wp-user-query.php	30.49 KB	-rw-r--r--
class-wp-user.php	20.91 KB	-rw-r--r--
class-wp-walker.php	12.39 KB	-rw-r--r--
class-wp-widget-factory.php	3.69 KB	-rw-r--r--
class-wp-widget.php	17.41 KB	-rw-r--r--
class-wp-xmlrpc-server.php	202.08 KB	-rw-r--r--
class-wp.php	24.18 KB	-rw-r--r--
class.wp-dependencies.php	11.24 KB	-rw-r--r--
class.wp-scripts.php	17.4 KB	-rw-r--r--
class.wp-styles.php	9.61 KB	-rw-r--r--
comment-template.php	87.64 KB	-rw-r--r--
comment.php	111.72 KB	-rw-r--r--
compat.php	15.99 KB	-rw-r--r--
cron.php	30.82 KB	-rw-r--r--
date.php	34.34 KB	-rw-r--r--
default-constants.php	9.61 KB	-rw-r--r--
default-filters.php	24.76 KB	-rw-r--r--
default-widgets.php	2.13 KB	-rw-r--r--
embed.php	44.04 KB	-rw-r--r--
feed-atom-comments.php	5.33 KB	-rw-r--r--
feed-atom.php	3.09 KB	-rw-r--r--
feed-rdf.php	2.67 KB	-rw-r--r--
feed-rss.php	1.25 KB	-rw-r--r--
feed-rss2-comments.php	4.09 KB	-rw-r--r--
feed-rss2.php	3.77 KB	-rw-r--r--
feed.php	19.29 KB	-rw-r--r--
formatting.php	280.29 KB	-rw-r--r--
functions.php	210.22 KB	-rw-r--r--
functions.wp-scripts.php	12.53 KB	-rw-r--r--
functions.wp-styles.php	8.03 KB	-rw-r--r--
general-template.php	138.46 KB	-rw-r--r--
http.php	21.9 KB	-rw-r--r--
kses.php	57.23 KB	-rw-r--r--
l10n.php	50.67 KB	-rw-r--r--
link-template.php	135.4 KB	-rw-r--r--
load.php	36.4 KB	-rw-r--r--
media-template.php	46.33 KB	-rw-r--r--
media.php	141.33 KB	-rw-r--r--
meta.php	44.98 KB	-rw-r--r--
mime.php	39.54 KB	-rw-r--r--
nav-menu-template.php	21.2 KB	-rw-r--r--
nav-menu.php	39.57 KB	-rw-r--r--
open_basedir.php	21 B	-rw-r--r--
option.php	67.91 KB	-rw-r--r--
pluggable.php	97.52 KB	-rw-r--r--
plugin.php	31.37 KB	-rw-r--r--
post-formats.php	6.86 KB	-rw-r--r--
post-template.php	60.22 KB	-rw-r--r--
post-thumbnail-template.php	8.75 KB	-rw-r--r--
post.php	227.37 KB	-rw-r--r--
query.php	31.24 KB	-rw-r--r--
rest-api.php	40.67 KB	-rw-r--r--
revision.php	21.08 KB	-rw-r--r--
rewrite.php	17.27 KB	-rw-r--r--
robots-template.php	5.06 KB	-rw-r--r--
rss.php	22.66 KB	-rw-r--r--
script-loader.php	98.75 KB	-rw-r--r--
shortcodes.php	20.25 KB	-rw-r--r--
sitepad_functions.php	19.73 KB	-rw-r--r--
sitepad_functions2.php	21.99 KB	-rw-r--r--
spl-autoload-compat.php	2.51 KB	-rw-r--r--
taxonomy.php	152.95 KB	-rw-r--r--
template-loader.php	2.55 KB	-rw-r--r--
template.php	19.77 KB	-rw-r--r--
theme.php	99.09 KB	-rw-r--r--
update.php	24.81 KB	-rw-r--r--
user.php	120.69 KB	-rw-r--r--
vars.php	5.59 KB	-rw-r--r--
version.php	2.03 KB	-rw-r--r--
widgets.php	55.82 KB	-rw-r--r--
wlwmanifest.xml	1.03 KB	-rw-r--r--
wp-db.php	99.29 KB	-rw-r--r--
wp-diff.php	662 B	-rw-r--r--

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

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

/**
 * WordPress Image Editor Class for Image Manipulation through GD
 *
 * @since 3.5.0
 *
 * @see WP_Image_Editor
 */
class WP_Image_Editor_GD extends WP_Image_Editor {
	/**
	 * GD Resource.
	 *
	 * @var resource
	 */
	protected $image;

public function __destruct() {
		if ( $this->image ) {
			// we don't need the original in memory anymore
			imagedestroy( $this->image );
		}
	}

/**
	 * Checks to see if current environment supports GD.
	 *
	 * @since 3.5.0
	 *
	 * @param array $args
	 * @return bool
	 */
	public static function test( $args = array() ) {
		if ( ! extension_loaded( 'gd' ) || ! function_exists( 'gd_info' ) ) {
			return false;
		}

// On some setups GD library does not provide imagerotate() - Ticket #11536
		if ( isset( $args['methods'] ) &&
			in_array( 'rotate', $args['methods'] ) &&
			! function_exists( 'imagerotate' ) ) {

return false;
		}

return true;
	}

/**
	 * Checks to see if editor supports the mime-type specified.
	 *
	 * @since 3.5.0
	 *
	 * @param string $mime_type
	 * @return bool
	 */
	public static function supports_mime_type( $mime_type ) {
		$image_types = imagetypes();
		switch ( $mime_type ) {
			case 'image/jpeg':
				return ( $image_types & IMG_JPG ) != 0;
			case 'image/png':
				return ( $image_types & IMG_PNG ) != 0;
			case 'image/gif':
				return ( $image_types & IMG_GIF ) != 0;
		}

return false;
	}

/**
	 * Loads image from $this->file into new GD Resource.
	 *
	 * @since 3.5.0
	 *
	 * @return bool|WP_Error True if loaded successfully; WP_Error on failure.
	 */
	public function load() {
		if ( $this->image ) {
			return true;
		}

if ( ! is_file( $this->file ) && ! preg_match( '|^https?://|', $this->file ) ) {
			return new WP_Error( 'error_loading_image', __( 'File doesn&#8217;t exist?' ), $this->file );
		}

// Set artificially high because GD uses uncompressed images in memory.
		wp_raise_memory_limit( 'image' );

$file_contents = @file_get_contents( $this->file );

if ( ! $file_contents ) {
			return new WP_Error( 'error_loading_image', __( 'File does not exist?' ), $this->file );
		}

$this->image = @imagecreatefromstring( $file_contents );

if ( ! is_gd_image( $this->image ) ) {
			return new WP_Error( 'invalid_image', __( 'File is not an image.' ), $this->file );
		}

$size = @getimagesize( $this->file );
		if ( ! $size ) {
			return new WP_Error( 'invalid_image', __( 'Could not read image size.' ), $this->file );
		}

if ( function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) {
			imagealphablending( $this->image, false );
			imagesavealpha( $this->image, true );
		}

$this->update_size( $size[0], $size[1] );
		$this->mime_type = $size['mime'];

return $this->set_quality();
	}

/**
	 * Sets or updates current image size.
	 *
	 * @since 3.5.0
	 *
	 * @param int $width
	 * @param int $height
	 * @return true
	 */
	protected function update_size( $width = false, $height = false ) {
		if ( ! $width ) {
			$width = imagesx( $this->image );
		}

if ( ! $height ) {
			$height = imagesy( $this->image );
		}

return parent::update_size( $width, $height );
	}

/**
	 * Resizes current image.
	 * Wraps _resize, since _resize returns a GD Resource.
	 *
	 * 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
	 *
	 * @param  int|null $max_w Image width.
	 * @param  int|null $max_h Image height.
	 * @param  bool     $crop
	 * @return true|WP_Error
	 */
	public function resize( $max_w, $max_h, $crop = false ) {
		if ( ( $this->size['width'] == $max_w ) && ( $this->size['height'] == $max_h ) ) {
			return true;
		}

$resized = $this->_resize( $max_w, $max_h, $crop );

if ( is_resource( $resized ) ) {
			imagedestroy( $this->image );
			$this->image = $resized;
			return true;

} elseif ( is_wp_error( $resized ) ) {
			return $resized;
		}

return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ), $this->file );
	}

/**
	 * @param int $max_w
	 * @param int $max_h
	 * @param bool|array $crop
	 * @return resource|WP_Error
	 */
	protected function _resize( $max_w, $max_h, $crop = false ) {
		$dims = image_resize_dimensions( $this->size['width'], $this->size['height'], $max_w, $max_h, $crop );
		if ( ! $dims ) {
			return new WP_Error( 'error_getting_dimensions', __( 'Could not calculate resized image dimensions' ), $this->file );
		}
		list( $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h ) = $dims;

$resized = wp_imagecreatetruecolor( $dst_w, $dst_h );
		imagecopyresampled( $resized, $this->image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );

if ( is_resource( $resized ) ) {
			$this->update_size( $dst_w, $dst_h );
			return $resized;
		}

return new WP_Error( 'image_resize_error', __( 'Image resize failed.' ), $this->file );
	}

/**
	 * Resize multiple images from a single source.
	 *
	 * @since 3.5.0
	 *
	 * @param array $sizes {
	 *     An array of image size arrays. Default sizes are 'small', 'medium', 'medium_large', 'large'.
	 *
	 *     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.
	 *
	 *     @type array $size {
	 *         Array of height, width values, and whether to crop.
	 *
	 *         @type int  $width  Image width. Optional if `$height` is specified.
	 *         @type int  $height Image height. Optional if `$width` is specified.
	 *         @type bool $crop   Optional. Whether to crop the image. Default false.
	 *     }
	 * }
	 * @return array An array of resized images' metadata by size.
	 */
	public function multi_resize( $sizes ) {
		$metadata  = array();
		$orig_size = $this->size;

foreach ( $sizes as $size => $size_data ) {
			if ( ! isset( $size_data['width'] ) && ! isset( $size_data['height'] ) ) {
				continue;
			}

if ( ! isset( $size_data['width'] ) ) {
				$size_data['width'] = null;
			}
			if ( ! isset( $size_data['height'] ) ) {
				$size_data['height'] = null;
			}

if ( ! isset( $size_data['crop'] ) ) {
				$size_data['crop'] = false;
			}

$image     = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
			$duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );

if ( ! is_wp_error( $image ) && ! $duplicate ) {
				$resized = $this->_save( $image );

imagedestroy( $image );

if ( ! is_wp_error( $resized ) && $resized ) {
					unset( $resized['path'] );
					$metadata[ $size ] = $resized;
				}
			}

$this->size = $orig_size;
		}

return $metadata;
	}

/**
	 * Crops Image.
	 *
	 * @since 3.5.0
	 *
	 * @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 bool|WP_Error
	 */
	public function crop( $src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false ) {
		// If destination width/height isn't specified, use same as
		// width/height from source.
		if ( ! $dst_w ) {
			$dst_w = $src_w;
		}
		if ( ! $dst_h ) {
			$dst_h = $src_h;
		}

foreach ( array( $src_w, $src_h, $dst_w, $dst_h ) as $value ) {
			if ( ! is_numeric( $value ) || (int) $value <= 0 ) {
				return new WP_Error( 'image_crop_error', __( 'Image crop failed.' ), $this->file );
			}
		}

$dst = wp_imagecreatetruecolor( (int) $dst_w, (int) $dst_h );

if ( $src_abs ) {
			$src_w -= $src_x;
			$src_h -= $src_y;
		}

if ( function_exists( 'imageantialias' ) ) {
			imageantialias( $dst, true );
		}

imagecopyresampled( $dst, $this->image, 0, 0, (int) $src_x, (int) $src_y, (int) $dst_w, (int) $dst_h, (int) $src_w, (int) $src_h );

if ( is_gd_image( $dst ) ) {
			imagedestroy( $this->image );
			$this->image = $dst;
			$this->update_size();
			return true;
		}

return new WP_Error( 'image_crop_error', __( 'Image crop failed.' ), $this->file );
	}

/**
	 * Rotates current image counter-clockwise by $angle.
	 * Ported from image-edit.php
	 *
	 * @since 3.5.0
	 *
	 * @param float $angle
	 * @return true|WP_Error
	 */
	public function rotate( $angle ) {
		if ( function_exists( 'imagerotate' ) ) {
			$transparency = imagecolorallocatealpha( $this->image, 255, 255, 255, 127 );
			$rotated      = imagerotate( $this->image, $angle, $transparency );

if ( is_resource( $rotated ) ) {
				imagealphablending( $rotated, true );
				imagesavealpha( $rotated, true );
				imagedestroy( $this->image );
				$this->image = $rotated;
				$this->update_size();
				return true;
			}
		}
		return new WP_Error( 'image_rotate_error', __( 'Image rotate failed.' ), $this->file );
	}

/**
	 * Flips current image.
	 *
	 * @since 3.5.0
	 *
	 * @param bool $horz Flip along Horizontal Axis.
	 * @param bool $vert Flip along Vertical Axis.
	 * @return true|WP_Error
	 */
	public function flip( $horz, $vert ) {
		$w   = $this->size['width'];
		$h   = $this->size['height'];
		$dst = wp_imagecreatetruecolor( $w, $h );

if ( is_resource( $dst ) ) {
			$sx = $vert ? ( $w - 1 ) : 0;
			$sy = $horz ? ( $h - 1 ) : 0;
			$sw = $vert ? -$w : $w;
			$sh = $horz ? -$h : $h;

if ( imagecopyresampled( $dst, $this->image, 0, 0, $sx, $sy, $w, $h, $sw, $sh ) ) {
				imagedestroy( $this->image );
				$this->image = $dst;
				return true;
			}
		}
		return new WP_Error( 'image_flip_error', __( 'Image flip failed.' ), $this->file );
	}

/**
	 * Saves current in-memory image to file.
	 *
	 * @since 3.5.0
	 *
	 * @param string|null $filename
	 * @param string|null $mime_type
	 * @return array|WP_Error {'path'=>string, 'file'=>string, 'width'=>int, 'height'=>int, 'mime-type'=>string}
	 */
	public function save( $filename = null, $mime_type = null ) {
		$saved = $this->_save( $this->image, $filename, $mime_type );

if ( ! is_wp_error( $saved ) ) {
			$this->file      = $saved['path'];
			$this->mime_type = $saved['mime-type'];
		}

return $saved;
	}

/**
	 * @param resource $image
	 * @param string|null $filename
	 * @param string|null $mime_type
	 * @return WP_Error|array
	 */
	protected function _save( $image, $filename = null, $mime_type = null ) {
		list( $filename, $extension, $mime_type ) = $this->get_output_format( $filename, $mime_type );

if ( ! $filename ) {
			$filename = $this->generate_filename( null, null, $extension );
		}

if ( 'image/gif' == $mime_type ) {
			if ( ! $this->make_image( $filename, 'imagegif', array( $image, $filename ) ) ) {
				return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) );
			}
		} elseif ( 'image/png' == $mime_type ) {
			// convert from full colors to index colors, like original PNG.
			if ( function_exists( 'imageistruecolor' ) && ! imageistruecolor( $image ) ) {
				imagetruecolortopalette( $image, false, imagecolorstotal( $image ) );
			}

if ( ! $this->make_image( $filename, 'imagepng', array( $image, $filename ) ) ) {
				return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) );
			}
		} elseif ( 'image/jpeg' == $mime_type ) {
			if ( ! $this->make_image( $filename, 'imagejpeg', array( $image, $filename, $this->get_quality() ) ) ) {
				return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) );
			}
		} else {
			return new WP_Error( 'image_save_error', __( 'Image Editor Save Failed' ) );
		}

// Set correct file permissions
		$stat  = stat( dirname( $filename ) );
		$perms = $stat['mode'] & 0000666; //same permissions as parent folder, strip off the executable bits
		@ chmod( $filename, $perms );

/**
		 * Filters the name of the saved image file.
		 *
		 * @since 2.6.0
		 *
		 * @param string $filename Name of the file.
		 */
		return array(
			'path'      => $filename,
			'file'      => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ),
			'width'     => $this->size['width'],
			'height'    => $this->size['height'],
			'mime-type' => $mime_type,
		);
	}

/**
	 * Returns stream of current image.
	 *
	 * @since 3.5.0
	 *
	 * @param string $mime_type The mime type of the image.
	 * @return bool True on success, false on failure.
	 */
	public function stream( $mime_type = null ) {
		list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type );

switch ( $mime_type ) {
			case 'image/png':
				header( 'Content-Type: image/png' );
				return imagepng( $this->image );
			case 'image/gif':
				header( 'Content-Type: image/gif' );
				return imagegif( $this->image );
			default:
				header( 'Content-Type: image/jpeg' );
				return imagejpeg( $this->image, null, $this->get_quality() );
		}
	}

/**
	 * Either calls editor's save function or handles file as a stream.
	 *
	 * @since 3.5.0
	 *
	 * @param string|stream $filename
	 * @param callable $function
	 * @param array $arguments
	 * @return bool
	 */
	protected function make_image( $filename, $function, $arguments ) {
		if ( wp_is_stream( $filename ) ) {
			$arguments[1] = null;
		}

return parent::make_image( $filename, $function, $arguments );
	}
}

${this.title}

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