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PHP

Redirect Empty Searches to the Homepage

Sends visitors who submit the search form without typing anything back to the homepage instead of showing every post.

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Code

add_action( 'template_redirect', function () {
    if ( isset( $_GET['s'] ) && is_string( $_GET['s'] ) && '' === trim( wp_unslash( $_GET['s'] ) ) ) {
        wp_safe_redirect( home_url( '/' ) );
        exit;
    }
} );

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