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Source View: customize_allowed_urls

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Line Code
182           $allowed_urls[] = home_url( '/', 'https' );
183
184      /**
185       * Filter the list of URLs allowed to be clicked and followed in the Customizer preview.
186       *
187       * @since 3.4.0
188       *
189       * @param array $allowed_urls An array of allowed URLs.
190       */
191      $allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) );
192
193      $fallback_url = add_query_arg( array(
194           'preview'        => 1,
195           'template'       => $wp_customize->get_template(),
196           'stylesheet'     => $wp_customize->get_stylesheet(),
197           'preview_iframe' => true,
198           'TB_iframe'      => 'true'
199      ), home_url( '/' ) );
200