Saves image to file.
Parameters
$filename
stringrequired- Name of the file to be saved.
$image
WP_Image_Editorrequired- The image editor instance.
$mime_type
stringrequired- The mime type of the image.
$post_id
intrequired- Attachment post ID.
Source
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 bool|null $override Value to return instead of saving. Default null.
* @param string $filename Name of the file to be saved.
* @param WP_Image_Editor $image The image editor instance.
* @param string $mime_type The mime type of the image.
* @param int $post_id Attachment 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 {
/* translators: 1: $image, 2: WP_Image_Editor */
_deprecated_argument( __FUNCTION__, '3.5.0', sprintf( __( '%1$s needs to be a %2$s object.' ), '$image', 'WP_Image_Editor' ) );
/** This filter is documented in wp-admin/includes/image-edit.php */
$image = apply_filters_deprecated( 'image_save_pre', array( $image, $post_id ), '3.5.0', 'image_editor_save_pre' );
/**
* 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 bool|null $override Value to return instead of saving. Default null.
* @param string $filename Name of the file to be saved.
* @param resource|GdImage $image Image resource or GdImage instance.
* @param string $mime_type The mime type of the image.
* @param int $post_id Attachment post ID.
*/
$saved = apply_filters_deprecated(
'wp_save_image_file',
array( null, $filename, $image, $mime_type, $post_id ),
'3.5.0',
'wp_save_image_editor_file'
);
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 );
case 'image/webp':
if ( function_exists( 'imagewebp' ) ) {
return imagewebp( $image, $filename );
}
return false;
case 'image/avif':
if ( function_exists( 'imageavif' ) ) {
return imageavif( $image, $filename );
}
return false;
default:
return false;
}
}
}
Hooks
- apply_filters( ‘image_editor_save_pre’,
WP_Image_Editor $image ,int $attachment_id ) Filters the WP_Image_Editor instance for the image to be streamed to the browser.
- apply_filters_deprecated( ‘image_save_pre’,
resource|GdImage $image ,int $attachment_id ) Filters the GD image resource to be streamed to the browser.
- apply_filters( ‘jpeg_quality’,
int $quality ,string $context ) Filters the JPEG compression quality for backward-compatibility.
- apply_filters( ‘wp_save_image_editor_file’,
bool|null $override ,string $filename ,WP_Image_Editor $image ,string $mime_type ,int $post_id ) Filters whether to skip saving the image file.
- apply_filters_deprecated( ‘wp_save_image_file’,
bool|null $override ,string $filename ,resource|GdImage $image ,string $mime_type ,int $post_id ) Filters whether to skip saving the image file.
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