<div dir="ltr">Since we are required to put $content_width in setup function, should it be declared as global or is it not necessary?<br><br>function themename_setup() {<br>global $content_width; <br>if ( ! isset( $content_width ) ){ <br>
$content_width = 640; <br>}<br>}<br>add_action( 'after_setup_theme', 'themename_setup' );<br></div>