EVOLUTION-MANAGER

Edit File: image-edit.php

<?php
/**
 * WordPress Image Editor
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Loads the WP image-editing interface.
 *
 * @param int         $post_id Post ID.
 * @param bool|object $msg     Optional. Message to display for image editor updates or errors.
 *                             Default false.
 */
function wp_image_editor($post_id, $msg = false) {
	$nonce = wp_create_nonce("image_editor-$post_id");
	$meta = wp_get_attachment_metadata($post_id);
	$thumb = image_get_intermediate_size($post_id, 'thumbnail');
	$sub_sizes = isset($meta['sizes']) && is_array($meta['sizes']);
	$note = '';

if ( isset( $meta['width'], $meta['height'] ) )
		$big = max( $meta['width'], $meta['height'] );
	else
		die( __('Image data does not exist. Please re-upload the image.') );

$sizer = $big > 400 ? 400 / $big : 1;

$backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true );
	$can_restore = false;
	if ( ! empty( $backup_sizes ) && isset( $backup_sizes['full-orig'], $meta['file'] ) )
		$can_restore = $backup_sizes['full-orig']['file'] != basename( $meta['file'] );

if ( $msg ) {
		if ( isset($msg->error) )
			$note = "<div class='error'><p>$msg->error</p></div>";
		elseif ( isset($msg->msg) )
			$note = "<div class='updated'><p>$msg->msg</p></div>";
	}

?>
	<div class="imgedit-wrap wp-clearfix">
	<div id="imgedit-panel-<?php echo $post_id; ?>">

<fieldset class="imgedit-scale">
		<legend><?php _e( 'New dimensions:' ); ?></legend>
		<div class="nowrap">
		<label><span class="screen-reader-text"><?php _e( 'scale width' ); ?></span>
		<input type="text" id="imgedit-scale-width-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" />
		</label>
		<span class="imgedit-separator">&times;</span>
		<label><span class="screen-reader-text"><?php _e( 'scale height' ); ?></span>
		<input type="text" id="imgedit-scale-height-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" />
		</label>
		<span class="imgedit-scale-warn" id="imgedit-scale-warn-<?php echo $post_id; ?>">!</span>
		<input id="imgedit-scale-button" type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'scale')" class="button button-primary" value="<?php esc_attr_e( 'Scale' ); ?>" />
 		</div>
		</fieldset>

</div>
	</div>
	</div>

<?php if ( $can_restore ) { ?>

<div class="imgedit-group">
	<div class="imgedit-group-top">
		<h2><button type="button" onclick="imageEdit.toggleHelp(this);" class="button-link"><?php _e( 'Restore Original Image' ); ?> <span class="dashicons dashicons-arrow-down imgedit-help-toggle"></span></button></h2>
		<div class="imgedit-help">
		<p><?php _e('Discard any changes and restore the original image.');

if ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE )
			echo ' '.__('Previously edited copies of the image will not be deleted.');

?></p>
		<div class="imgedit-submit">
		<input type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'restore')" class="button button-primary" value="<?php esc_attr_e( 'Restore image' ); ?>" <?php echo $can_restore; ?> />
		</div>
		</div>
	</div>
	</div>

<?php } ?>

<fieldset class="imgedit-crop-ratio">
		<legend><?php _e( 'Aspect ratio:' ); ?></legend>
		<div class="nowrap">
		<label><span class="screen-reader-text"><?php _e( 'crop ratio width' ); ?></span>
		<input type="text" id="imgedit-crop-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" />
		</label>
		<span class="imgedit-separator">:</span>
		<label><span class="screen-reader-text"><?php _e( 'crop ratio height' ); ?></span>
		<input type="text" id="imgedit-crop-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" />
		</label>
		</div>
	</fieldset>

<fieldset id="imgedit-crop-sel-<?php echo $post_id; ?>" class="imgedit-crop-sel">
		<legend><?php _e( 'Selection:' ); ?></legend>
		<div class="nowrap">
		<label><span class="screen-reader-text"><?php _e( 'selection width' ); ?></span>
		<input type="text" id="imgedit-sel-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" />
		</label>
		<span class="imgedit-separator">&times;</span>
		<label><span class="screen-reader-text"><?php _e( 'selection height' ); ?></span>
		<input type="text" id="imgedit-sel-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" />
		</label>
		</div>
	</fieldset>

</div>

<?php if ( $thumb && $sub_sizes ) {
		$thumb_img = wp_constrain_dimensions( $thumb['width'], $thumb['height'], 160, 120 );
	?>

<figure class="imgedit-thumbnail-preview">
		<img src="<?php echo $thumb['url']; ?>" width="<?php echo $thumb_img[0]; ?>" height="<?php echo $thumb_img[1]; ?>" class="imgedit-size-preview" alt="" draggable="false" />
		<figcaption class="imgedit-thumbnail-preview-caption"><?php _e( 'Current thumbnail' ); ?></figcaption>
	</figure>

<div id="imgedit-save-target-<?php echo $post_id; ?>" class="imgedit-save-target">
	<fieldset>
		<legend><strong><?php _e( 'Apply changes to:' ); ?></strong></legend>

<label class="imgedit-label">
		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="all" checked="checked" />
		<?php _e('All image sizes'); ?></label>

<label class="imgedit-label">
		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="thumbnail" />
		<?php _e('Thumbnail'); ?></label>

<label class="imgedit-label">
		<input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="nothumb" />
		<?php _e('All sizes except thumbnail'); ?></label>
	</fieldset>
	</div>
	</div>

<?php } ?>

</div>

<div class="imgedit-panel-content wp-clearfix">
		<?php echo $note; ?>
		<div class="imgedit-menu wp-clearfix">
			<button type="button" onclick="imageEdit.crop(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-crop button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Crop' ); ?></span></button><?php

// On some setups GD library does not provide imagerotate() - Ticket #11536
		if ( wp_image_editor_supports( array( 'mime_type' => get_post_mime_type( $post_id ), 'methods' => array( 'rotate' ) ) ) ) {
			$note_no_rotate = '';
	?>
			<button type="button" class="imgedit-rleft button" onclick="imageEdit.rotate( 90, <?php echo "$post_id, '$nonce'"; ?>, this)"><span class="screen-reader-text"><?php esc_html_e( 'Rotate counter-clockwise' ); ?></span></button>
			<button type="button" class="imgedit-rright button" onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>, this)"><span class="screen-reader-text"><?php esc_html_e( 'Rotate clockwise' ); ?></span></button>
	<?php } else {
			$note_no_rotate = '<p class="note-no-rotate"><em>' . __( 'Image rotation is not supported by your web host.' ) . '</em></p>';
	?>
			<button type="button" class="imgedit-rleft button disabled" disabled></button>
			<button type="button" class="imgedit-rright button disabled" disabled></button>
	<?php } ?>

<button type="button" onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-flipv button"><span class="screen-reader-text"><?php esc_html_e( 'Flip vertically' ); ?></span></button>
			<button type="button" onclick="imageEdit.flip(2, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-fliph button"><span class="screen-reader-text"><?php esc_html_e( 'Flip horizontally' ); ?></span></button>

<button type="button" id="image-undo-<?php echo $post_id; ?>" onclick="imageEdit.undo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-undo button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Undo' ); ?></span></button>
			<button type="button" id="image-redo-<?php echo $post_id; ?>" onclick="imageEdit.redo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-redo button disabled" disabled><span class="screen-reader-text"><?php esc_html_e( 'Redo' ); ?></span></button>
			<?php echo $note_no_rotate; ?>
		</div>

<input type="hidden" id="imgedit-sizer-<?php echo $post_id; ?>" value="<?php echo $sizer; ?>" />
		<input type="hidden" id="imgedit-history-<?php echo $post_id; ?>" value="" />
		<input type="hidden" id="imgedit-undone-<?php echo $post_id; ?>" value="0" />
		<input type="hidden" id="imgedit-selection-<?php echo $post_id; ?>" value="" />
		<input type="hidden" id="imgedit-x-<?php echo $post_id; ?>" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" />
		<input type="hidden" id="imgedit-y-<?php echo $post_id; ?>" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" />

<div id="imgedit-crop-<?php echo $post_id; ?>" class="imgedit-crop-wrap">
		<img id="image-preview-<?php echo $post_id; ?>" onload="imageEdit.imgLoaded('<?php echo $post_id; ?>')" src="<?php echo admin_url( 'admin-ajax.php', 'relative' ); ?>?action=imgedit-preview&amp;_ajax_nonce=<?php echo $nonce; ?>&amp;postid=<?php echo $post_id; ?>&amp;rand=<?php echo rand(1, 99999); ?>" alt="" />
		</div>

<div class="imgedit-submit">
			<input type="button" onclick="imageEdit.close(<?php echo $post_id; ?>, 1)" class="button imgedit-cancel-btn" value="<?php esc_attr_e( 'Cancel' ); ?>" />
			<input type="button" onclick="imageEdit.save(<?php echo "$post_id, '$nonce'"; ?>)" disabled="disabled" class="button button-primary imgedit-submit-btn" value="<?php esc_attr_e( 'Save' ); ?>" />
		</div>
	</div>

</div>
	<div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div>
	<div class="hidden" id="imgedit-leaving-<?php echo $post_id; ?>"><?php _e("There are unsaved changes that will be lost. 'OK' to continue, 'Cancel' to return to the Image Editor."); ?></div>
	</div>
<?php
}

/**
 * Streams image in WP_Image_Editor to browser.
 * Provided for backcompat reasons
 *
 * @param WP_Image_Editor $image
 * @param string $mime_type
 * @param int $post_id
 * @return bool
 */
function wp_stream_image( $image, $mime_type, $post_id ) {
	if ( $image instanceof WP_Image_Editor ) {

/**
		 * Filters the WP_Image_Editor instance for the image to be streamed to the browser.
		 *
		 * @since 3.5.0
		 *
		 * @param WP_Image_Editor $image   WP_Image_Editor instance.
		 * @param int             $post_id Post ID.
		 */
		$image = apply_filters( 'image_editor_save_pre', $image, $post_id );

if ( is_wp_error( $image->stream( $mime_type ) ) )
			return false;

return true;
	} else {
		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );

/**
		 * Filters the GD image resource to be streamed to the browser.
		 *
		 * @since 2.9.0
		 * @deprecated 3.5.0 Use image_editor_save_pre instead.
		 *
		 * @param resource $image   Image resource to be streamed.
		 * @param int      $post_id Post ID.
		 */
		$image = apply_filters( 'image_save_pre', $image, $post_id );

switch ( $mime_type ) {
			case 'image/jpeg':
				header( 'Content-Type: image/jpeg' );
				return imagejpeg( $image, null, 90 );
			case 'image/png':
				header( 'Content-Type: image/png' );
				return imagepng( $image );
			case 'image/gif':
				header( 'Content-Type: image/gif' );
				return imagegif( $image );
			default:
				return false;
		}
	}
}

/**
 * Saves Image to File
 *
 * @param string $filename
 * @param WP_Image_Editor $image
 * @param string $mime_type
 * @param int $post_id
 * @return bool
 */
function wp_save_image_file( $filename, $image, $mime_type, $post_id ) {
	if ( $image instanceof WP_Image_Editor ) {

/** This filter is documented in wp-admin/includes/image-edit.php */
		$image = apply_filters( 'image_editor_save_pre', $image, $post_id );

/**
		 * Filters whether to skip saving the image file.
		 *
		 * Returning a non-null value will short-circuit the save method,
		 * returning that value instead.
		 *
		 * @since 3.5.0
		 *
		 * @param mixed           $override  Value to return instead of saving. Default null.
		 * @param string          $filename  Name of the file to be saved.
		 * @param WP_Image_Editor $image     WP_Image_Editor instance.
		 * @param string          $mime_type Image mime type.
		 * @param int             $post_id   Post ID.
		 */
		$saved = apply_filters( 'wp_save_image_editor_file', null, $filename, $image, $mime_type, $post_id );

if ( null !== $saved )
			return $saved;

return $image->save( $filename, $mime_type );
	} else {
		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );

/** This filter is documented in wp-admin/includes/image-edit.php */
		$image = apply_filters( 'image_save_pre', $image, $post_id );

/**
		 * Filters whether to skip saving the image file.
		 *
		 * Returning a non-null value will short-circuit the save method,
		 * returning that value instead.
		 *
		 * @since 2.9.0
		 * @deprecated 3.5.0 Use wp_save_image_editor_file instead.
		 *
		 * @param mixed           $override  Value to return instead of saving. Default null.
		 * @param string          $filename  Name of the file to be saved.
		 * @param WP_Image_Editor $image     WP_Image_Editor instance.
		 * @param string          $mime_type Image mime type.
		 * @param int             $post_id   Post ID.
		 */
		$saved = apply_filters( 'wp_save_image_file', null, $filename, $image, $mime_type, $post_id );

if ( null !== $saved )
			return $saved;

switch ( $mime_type ) {
			case 'image/jpeg':

/** This filter is documented in wp-includes/class-wp-image-editor.php */
				return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) );
			case 'image/png':
				return imagepng( $image, $filename );
			case 'image/gif':
				return imagegif( $image, $filename );
			default:
				return false;
		}
	}
}

/**
 * Image preview ratio. Internal use only.
 *
 * @since 2.9.0
 *
 * @ignore
 * @param int $w Image width in pixels.
 * @param int $h Image height in pixels.
 * @return float|int Image preview ratio.
 */
function _image_get_preview_ratio($w, $h) {
	$max = max($w, $h);
	return $max > 400 ? (400 / $max) : 1;
}

/**
 * Returns an image resource. Internal use only.
 *
 * @since 2.9.0
 *
 * @ignore
 * @param resource  $img   Image resource.
 * @param float|int $angle Image rotation angle, in degrees.
 * @return resource|false GD image resource, false otherwise.
 */
function _rotate_image_resource($img, $angle) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::rotate()' );
	if ( function_exists('imagerotate') ) {
		$rotated = imagerotate($img, $angle, 0);
		if ( is_resource($rotated) ) {
			imagedestroy($img);
			$img = $rotated;
		}
	}
	return $img;
}

/**
 * Flips an image resource. Internal use only.
 *
 * @since 2.9.0
 *
 * @ignore
 * @param resource $img  Image resource.
 * @param bool     $horz Whether to flip horizontally.
 * @param bool     $vert Whether to flip vertically.
 * @return resource (maybe) flipped image resource.
 */
function _flip_image_resource($img, $horz, $vert) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::flip()' );
	$w = imagesx($img);
	$h = imagesy($img);
	$dst = wp_imagecreatetruecolor($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, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) {
			imagedestroy($img);
			$img = $dst;
		}
	}
	return $img;
}

/**
 * Crops an image resource. Internal use only.
 *
 * @since 2.9.0
 *
 * @ignore
 * @param resource $img Image resource.
 * @param float    $x   Source point x-coordinate.
 * @param float    $y   Source point y-cooredinate.
 * @param float    $w   Source width.
 * @param float    $h   Source height.
 * @return resource (maybe) cropped image resource.
 */
function _crop_image_resource($img, $x, $y, $w, $h) {
	$dst = wp_imagecreatetruecolor($w, $h);
	if ( is_resource($dst) ) {
		if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) {
			imagedestroy($img);
			$img = $dst;
		}
	}
	return $img;
}

/**
 * Performs group of changes on Editor specified.
 *
 * @since 2.9.0
 *
 * @param WP_Image_Editor $image   WP_Image_Editor instance.
 * @param array           $changes Array of change operations.
 * @return WP_Image_Editor WP_Image_Editor instance with changes applied.
 */
function image_edit_apply_changes( $image, $changes ) {
	if ( is_resource( $image ) )
		_deprecated_argument( __FUNCTION__, '3.5.0', __( '$image needs to be an WP_Image_Editor object' ) );

if ( !is_array($changes) )
		return $image;

// Expand change operations.
	foreach ( $changes as $key => $obj ) {
		if ( isset($obj->r) ) {
			$obj->type = 'rotate';
			$obj->angle = $obj->r;
			unset($obj->r);
		} elseif ( isset($obj->f) ) {
			$obj->type = 'flip';
			$obj->axis = $obj->f;
			unset($obj->f);
		} elseif ( isset($obj->c) ) {
			$obj->type = 'crop';
			$obj->sel = $obj->c;
			unset($obj->c);
		}
		$changes[$key] = $obj;
	}

// Combine operations.
	if ( count($changes) > 1 ) {
		$filtered = array($changes[0]);
		for ( $i = 0, $j = 1, $c = count( $changes ); $j < $c; $j++ ) {
			$combined = false;
			if ( $filtered[$i]->type == $changes[$j]->type ) {
				switch ( $filtered[$i]->type ) {
					case 'rotate':
						$filtered[$i]->angle += $changes[$j]->angle;
						$combined = true;
						break;
					case 'flip':
						$filtered[$i]->axis ^= $changes[$j]->axis;
						$combined = true;
						break;
				}
			}
			if ( !$combined )
				$filtered[++$i] = $changes[$j];
		}
		$changes = $filtered;
		unset($filtered);
	}

// Image resource before applying the changes.
	if ( $image instanceof WP_Image_Editor ) {

/**
		 * Filters the WP_Image_Editor instance before applying changes to the image.
		 *
		 * @since 3.5.0
		 *
		 * @param WP_Image_Editor $image   WP_Image_Editor instance.
 		 * @param array           $changes Array of change operations.
		 */
		$image = apply_filters( 'wp_image_editor_before_change', $image, $changes );
	} elseif ( is_resource( $image ) ) {

/**
		 * Filters the GD image resource before applying changes to the image.
		 *
		 * @since 2.9.0
		 * @deprecated 3.5.0 Use wp_image_editor_before_change instead.
		 *
		 * @param resource $image   GD image resource.
 		 * @param array    $changes Array of change operations.
		 */
		$image = apply_filters( 'image_edit_before_change', $image, $changes );
	}

foreach ( $changes as $operation ) {
		switch ( $operation->type ) {
			case 'rotate':
				if ( $operation->angle != 0 ) {
					if ( $image instanceof WP_Image_Editor )
						$image->rotate( $operation->angle );
					else
						$image = _rotate_image_resource( $image, $operation->angle );
				}
				break;
			case 'flip':
				if ( $operation->axis != 0 )
					if ( $image instanceof WP_Image_Editor )
						$image->flip( ($operation->axis & 1) != 0, ($operation->axis & 2) != 0 );
					else
						$image = _flip_image_resource( $image, ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 );
				break;
			case 'crop':
				$sel = $operation->sel;

if ( $image instanceof WP_Image_Editor ) {
					$size = $image->get_size();
					$w = $size['width'];
					$h = $size['height'];

$scale = 1 / _image_get_preview_ratio( $w, $h ); // discard preview scaling
					$image->crop( $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale );
				} else {
					$scale = 1 / _image_get_preview_ratio( imagesx( $image ), imagesy( $image ) ); // discard preview scaling
					$image = _crop_image_resource( $image, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale );
				}
				break;
		}
	}

return $image;
}

/**
 * Streams image in post to browser, along with enqueued changes
 * in $_REQUEST['history']
 *
 * @param int $post_id
 * @return bool
 */
function stream_preview_image( $post_id ) {
	$post = get_post( $post_id );

wp_raise_memory_limit( 'admin' );

$img = wp_get_image_editor( _load_image_to_edit_path( $post_id ) );

if ( is_wp_error( $img ) ) {
		return false;
	}

$changes = !empty($_REQUEST['history']) ? json_decode( wp_unslash($_REQUEST['history']) ) : null;
	if ( $changes )
		$img = image_edit_apply_changes( $img, $changes );

// Scale the image.
	$size = $img->get_size();
	$w = $size['width'];
	$h = $size['height'];

$ratio = _image_get_preview_ratio( $w, $h );
	$w2 = max ( 1, $w * $ratio );
	$h2 = max ( 1, $h * $ratio );

if ( is_wp_error( $img->resize( $w2, $h2 ) ) )
		return false;

return wp_stream_image( $img, $post->post_mime_type, $post_id );
}

/**
 * Restores the metadata for a given attachment.
 *
 * @since 2.9.0
 *
 * @param int $post_id Attachment post ID.
 * @return stdClass Image restoration message object.
 */
function wp_restore_image($post_id) {
	$meta = wp_get_attachment_metadata($post_id);
	$file = get_attached_file($post_id);
	$backup_sizes = $old_backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true );
	$restored = false;
	$msg = new stdClass;

if ( !is_array($backup_sizes) ) {
		$msg->error = __('Cannot load image metadata.');
		return $msg;
	}

$parts = pathinfo($file);
	$suffix = time() . rand(100, 999);
	$default_sizes = get_intermediate_image_sizes();

if ( isset($backup_sizes['full-orig']) && is_array($backup_sizes['full-orig']) ) {
		$data = $backup_sizes['full-orig'];

if ( $parts['basename'] != $data['file'] ) {
			if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) {

// Delete only if it's an edited image.
				if ( preg_match('/-e[0-9]{13}\./', $parts['basename']) ) {
					wp_delete_file( $file );
				}
			} elseif ( isset( $meta['width'], $meta['height'] ) ) {
				$backup_sizes["full-$suffix"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $parts['basename']);
			}
		}

$restored_file = path_join($parts['dirname'], $data['file']);
		$restored = update_attached_file($post_id, $restored_file);

$meta['file'] = _wp_relative_upload_path( $restored_file );
		$meta['width'] = $data['width'];
		$meta['height'] = $data['height'];
	}

foreach ( $default_sizes as $default_size ) {
		if ( isset($backup_sizes["$default_size-orig"]) ) {
			$data = $backup_sizes["$default_size-orig"];
			if ( isset($meta['sizes'][$default_size]) && $meta['sizes'][$default_size]['file'] != $data['file'] ) {
				if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) {

// Delete only if it's an edited image.
					if ( preg_match('/-e[0-9]{13}-/', $meta['sizes'][$default_size]['file']) ) {
						$delete_file = path_join( $parts['dirname'], $meta['sizes'][$default_size]['file'] );
						wp_delete_file( $delete_file );
					}
				} else {
					$backup_sizes["$default_size-{$suffix}"] = $meta['sizes'][$default_size];
				}
			}

$meta['sizes'][$default_size] = $data;
		} else {
			unset($meta['sizes'][$default_size]);
		}
	}

if ( ! wp_update_attachment_metadata( $post_id, $meta ) ||
		( $old_backup_sizes !== $backup_sizes && ! update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes ) ) ) {

$msg->error = __('Cannot save image metadata.');
		return $msg;
	}

if ( !$restored )
		$msg->error = __('Image metadata is inconsistent.');
	else
		$msg->msg = __('Image restored successfully.');

return $msg;
}

/**
 * Saves image to post along with enqueued changes
 * in $_REQUEST['history']
 *
 * @param int $post_id
 * @return \stdClass
 */
function wp_save_image( $post_id ) {
	$_wp_additional_image_sizes = wp_get_additional_image_sizes();

$return = new stdClass;
	$success = $delete = $scaled = $nocrop = false;
	$post = get_post( $post_id );

$img = wp_get_image_editor( _load_image_to_edit_path( $post_id, 'full' ) );
	if ( is_wp_error( $img ) ) {
		$return->error = esc_js( __('Unable to create new image.') );
		return $return;
	}

$fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0;
	$fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0;
	$target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : '';
	$scale = !empty($_REQUEST['do']) && 'scale' == $_REQUEST['do'];

if ( $scale && $fwidth > 0 && $fheight > 0 ) {
		$size = $img->get_size();
		$sX = $size['width'];
		$sY = $size['height'];

// Check if it has roughly the same w / h ratio.
		$diff = round($sX / $sY, 2) - round($fwidth / $fheight, 2);
		if ( -0.1 < $diff && $diff < 0.1 ) {
			// Scale the full size image.
			if ( $img->resize( $fwidth, $fheight ) )
				$scaled = true;
		}

if ( !$scaled ) {
			$return->error = esc_js( __('Error while saving the scaled image. Please reload the page and try again.') );
			return $return;
		}
	} elseif ( !empty($_REQUEST['history']) ) {
		$changes = json_decode( wp_unslash($_REQUEST['history']) );
		if ( $changes )
			$img = image_edit_apply_changes($img, $changes);
	} else {
		$return->error = esc_js( __('Nothing to save, the image has not changed.') );
		return $return;
	}

$meta = wp_get_attachment_metadata($post_id);
	$backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true );

if ( !is_array($meta) ) {
		$return->error = esc_js( __('Image data does not exist. Please re-upload the image.') );
		return $return;
	}

if ( !is_array($backup_sizes) )
		$backup_sizes = array();

// Generate new filename.
	$path = get_attached_file( $post_id );

$basename = pathinfo( $path, PATHINFO_BASENAME );
	$dirname = pathinfo( $path, PATHINFO_DIRNAME );
	$ext = pathinfo( $path, PATHINFO_EXTENSION );
	$filename = pathinfo( $path, PATHINFO_FILENAME );
	$suffix = time() . rand(100, 999);

if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE &&
		isset($backup_sizes['full-orig']) && $backup_sizes['full-orig']['file'] != $basename ) {

if ( 'thumbnail' == $target ) {
			$new_path = "{$dirname}/{$filename}-temp.{$ext}";
		} else {
			$new_path = $path;
		}
	} else {
		while ( true ) {
			$filename = preg_replace( '/-e([0-9]+)$/', '', $filename );
			$filename .= "-e{$suffix}";
			$new_filename = "{$filename}.{$ext}";
			$new_path = "{$dirname}/$new_filename";
			if ( file_exists($new_path) ) {
				$suffix++;
			} else {
				break;
			}
		}
	}

// Save the full-size file, also needed to create sub-sizes.
	if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) ) {
		$return->error = esc_js( __('Unable to save the image.') );
		return $return;
	}

if ( 'nothumb' === $target || 'all' === $target || 'full' === $target || $scaled ) {
		$tag = false;
		if ( isset( $backup_sizes['full-orig'] ) ) {
			if ( ( ! defined( 'IMAGE_EDIT_OVERWRITE' ) || ! IMAGE_EDIT_OVERWRITE ) && $backup_sizes['full-orig']['file'] !== $basename ) {
				$tag = "full-$suffix";
			}
		} else {
			$tag = 'full-orig';
		}

if ( $tag ) {
			$backup_sizes[$tag] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $basename );
		}
		$success = ( $path === $new_path ) || update_attached_file( $post_id, $new_path );

$meta['file'] = _wp_relative_upload_path( $new_path );

$size = $img->get_size();
		$meta['width'] = $size['width'];
		$meta['height'] = $size['height'];

if ( $success && ('nothumb' == $target || 'all' == $target) ) {
			$sizes = get_intermediate_image_sizes();
			if ( 'nothumb' == $target )
				$sizes = array_diff( $sizes, array('thumbnail') );
		}

$return->fw = $meta['width'];
		$return->fh = $meta['height'];
	} elseif ( 'thumbnail' == $target ) {
		$sizes = array( 'thumbnail' );
		$success = $delete = $nocrop = true;
	}

/*
	 * We need to remove any existing resized image files because
	 * a new crop or rotate could generate different sizes (and hence, filenames),
	 * keeping the new resized images from overwriting the existing image files.
	 * https://core.trac.wordpress.org/ticket/32171
	 */
	if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE && ! empty( $meta['sizes'] ) ) {
		foreach ( $meta['sizes'] as $size ) {
			if ( ! empty( $size['file'] ) && preg_match( '/-e[0-9]{13}-/', $size['file'] ) ) {
				$delete_file = path_join( $dirname, $size['file'] );
				wp_delete_file( $delete_file );
			}
		}
	}

if ( isset( $sizes ) ) {
		$_sizes = array();

foreach ( $sizes as $size ) {
			$tag = false;
			if ( isset( $meta['sizes'][$size] ) ) {
				if ( isset($backup_sizes["$size-orig"]) ) {
					if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes["$size-orig"]['file'] != $meta['sizes'][$size]['file'] )
						$tag = "$size-$suffix";
				} else {
					$tag = "$size-orig";
				}

if ( $tag )
					$backup_sizes[$tag] = $meta['sizes'][$size];
			}

if ( isset( $_wp_additional_image_sizes[ $size ] ) ) {
				$width  = intval( $_wp_additional_image_sizes[ $size ]['width'] );
				$height = intval( $_wp_additional_image_sizes[ $size ]['height'] );
				$crop   = ( $nocrop ) ? false : $_wp_additional_image_sizes[ $size ]['crop'];
			} else {
				$height = get_option( "{$size}_size_h" );
				$width  = get_option( "{$size}_size_w" );
				$crop   = ( $nocrop ) ? false : get_option( "{$size}_crop" );
			}

$_sizes[ $size ] = array( 'width' => $width, 'height' => $height, 'crop' => $crop );
		}

$meta['sizes'] = array_merge( $meta['sizes'], $img->multi_resize( $_sizes ) );
	}

unset( $img );

if ( $success ) {
		wp_update_attachment_metadata( $post_id, $meta );
		update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes);

if ( $target == 'thumbnail' || $target == 'all' || $target == 'full' ) {
			// Check if it's an image edit from attachment edit screen
			if ( ! empty( $_REQUEST['context'] ) && 'edit-attachment' == $_REQUEST['context'] ) {
				$thumb_url = wp_get_attachment_image_src( $post_id, array( 900, 600 ), true );
				$return->thumbnail = $thumb_url[0];
			} else {
				$file_url = wp_get_attachment_url($post_id);
				if ( ! empty( $meta['sizes']['thumbnail'] ) && $thumb = $meta['sizes']['thumbnail'] ) {
					$return->thumbnail = path_join( dirname($file_url), $thumb['file'] );
				} else {
					$return->thumbnail = "$file_url?w=128&h=128";
				}
			}
		}
	} else {
		$delete = true;
	}

if ( $delete ) {
		wp_delete_file( $new_path );
	}

$return->msg = esc_js( __('Image saved') );
	return $return;
}