Upgrade http:// Links to Your Own Site to https://
Rewrites old http:// links and images pointing to your own domain to https:// when content is displayed, fixing "not secure" mixed content warnings after moving to SSL without editing every post.
Opens WPIDE on
Code
$wpide_https_fix = function ( $content ) {
if ( ! is_ssl() && 'https' !== wp_parse_url( home_url(), PHP_URL_SCHEME ) ) {
return $content;
}
$host = wp_parse_url( home_url(), PHP_URL_HOST );
if ( ! $host || false === stripos( $content, 'http://' . $host ) && false === stripos( $content, 'http://www.' . $host ) ) {
return $content;
}
return preg_replace( '#http://((?:www\.)?' . preg_quote( preg_replace( '/^www\./', '', $host ), '#' ) . ')(?=[/"\'\s:]|$)#i', 'https://$1', $content );
};
add_filter( 'the_content', $wpide_https_fix, 99 );
add_filter( 'widget_text_content', $wpide_https_fix, 99 );
add_filter( 'widget_block_content', $wpide_https_fix, 99 );Notes
Only your own domain is changed; a database search and replace is still the permanent fix.
How to add this snippet
- Install WPIDE on your WordPress site (it is free) and open Code Snippets.
- Use snippet above adds it from the library in one click. Or copy the code into a new snippet with the same code type.
- It is added inactive: review the code and settings, then switch it on.