wp-includes/class-wp-customize-control.php:475Renders the custom attributes for the control's input element.
public function input_attrs() { foreach ( $this->input_attrs as $attr => $value ) { echo $attr . '="' . esc_attr( $value ) . '" '; } }Introduced in 4.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-control.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.