wp-includes/class-wp-image-editor-imagick.php:1191Streams current image to browser.
$mime_typestringoptionalnulltrue|WP_Error public function stream( $mime_type = null ) { list( $filename, $extension, $mime_type ) = $this->get_output_format( null, $mime_type ); try { // Temporarily change format for stream. $this->image->setImageFormat( strtoupper( $extension ) ); // Output stream of image content. header( "Content-Type: $mime_type" ); print $this->image->getImageBlob(); // Reset image to original format. $this->image->setImageFormat( $this->get_extension( $this->mime_type ) ); } catch ( Exception $e ) { return new WP_Error( 'image_stream_error', $e->getMessage() ); } return true; }Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-image-editor-imagick.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.