50个WordPress过滤钩子（41-50）

<?php

function script_loader_src_example( $src ) {
    return remove_query_arg( 'ver', $src );
}

add_filter( 'script_loader_src', 'script_loader_src_example' );
// Tiny bonus: You can do it with styles, too!
add_filter( 'style_loader_src', 'script_loader_src_example' );

// Example source: http://www.wpmayor.com/15-practical-ways-boost-wordpress-speed/

?>

<?php

add_filter( 'admin_post_thumbnail_html', 'admin_post_thumbnail_html_example' );

function admin_post_thumbnail_html_example( $html ) {
    return $html .= '<p>Hi Mr. Smith! Click above to add an image to be displayed at the top of your post. Remember: <strong>The width of the image should be at least 900px</strong>!</p>';

}

?>

<?php

add_filter( 'comment_flood_filter', 'comment_flood_filter_example', 10, 3 );

function comment_flood_filter_example( $flood_control, $time_last, $time_new ) {
    $seconds = 60;
    if ( ( $time_new - $time_last ) < $seconds )
        return true;
    return false;
}

// Example source: http://codex.wordpress.org/FAQ_Working_with_WordPress#How_do_I_prevent_comment_flooding.3F

?>

<?php

remove_all_filters( 'comment_flood_filter' );
add_filter( 'comment_flood_filter', '__return_false', 10, 3 );

?>

<?php

add_filter( 'dashboard_glance_items', 'dashboard_glance_items_example' );

function dashboard_glance_items_example( $items = array() ) {
    $post_types = array( 'event' );
    foreach( $post_types as $type ) {
        if( ! post_type_exists( $type ) ) continue;
        $num_posts = wp_count_posts( $type );
        if( $num_posts ) {
            $published = intval( $num_posts->publish );
            $post_type = get_post_type_object( $type );
            $text = _n( '%s ' . $post_type->labels->singular_name, '%s ' . $post_type->labels->name, $published, 'your_textdomain' );
            $text = sprintf( $text, number_format_i18n( $published ) );
            if ( current_user_can( $post_type->cap->edit_posts ) ) {
            $output = '<a rel="nofollow noopener noreferrer" href="edit.php?post_type=' . $post_type->name . '">' . $text . '</a>';
                echo '<li class="post-count ' . $post_type->name . '-count">' . $output . '</li>';
            } else {
            $output = '<span>' . $text . '</span>';
                echo '<li class="post-count ' . $post_type->name . '-count">' . $output . '</li>';
            }
        }
    }
    return $items;
}

// Example source: http://www.trickspanda.com/2014/03/add-custom-post-types-glance-dashboard-widget-wordpress/

?>

<?php

add_filter( 'login_message', 'login_message_example' );

function login_message_example( $message ) {
    $action = $_REQUEST['action'];
    if( $action == 'lostpassword' ) {
        $message = '<p class="message">Enter your email address, then check your inbox for the "reset password" link!</p>';
        return $message;
    }
    return;
}

// Example source: http://www.pypelineweb.com/blog/change-wordpress-login-message-filter-it-out/

?>

<?php

add_filter( 'bulk_post_updated_messages', 'bulk_post_updated_messages_example', 10, 2 );

function bulk_post_updated_messages_example( $bulk_messages, $bulk_counts ) {
    $bulk_messages['event'] = array(
        'updated'   => _n( '%s event updated.', '%s events updated.', $bulk_counts['updated'] ),
        'locked'    => _n( '%s event not updated, somebody is editing it.', '%s events not updated, somebody is editing them.', $bulk_counts['locked'] ),
        'deleted'   => _n( '%s event permanently deleted.', '%s events permanently deleted.', $bulk_counts['deleted'] ),
        'trashed'   => _n( '%s event moved to the Trash.', '%s events moved to the Trash.', $bulk_counts['trashed'] ),
        'untrashed' => _n( '%s event restored from the Trash.', '%s events restored from the Trash.', $bulk_counts['untrashed'] ),
    );

    return $bulk_messages;
}

// Example source: http://codex.wordpress.org/Plugin_API/Filter_Reference/bulk_post_updated_messages

?>

<?php

add_filter( 'widget_categories_args', 'widget_categories_args_example' );

function widget_categories_args_example( $cat_args ) {
    $exclude_arr = array( 4, 10 );

    if( isset( $cat_args['exclude'] ) && !empty( $cat_args['exclude'] ) )
        $exclude_arr = array_unique( array_merge( explode( ',', $cat_args['exclude'] ), $exclude_arr ) );
    $cat_args['exclude'] = implode( ',', $exclude_arr );
    return $cat_args;
}

// Example source: http://codex.wordpress.org/Plugin_API/Filter_Reference/widget_categories_args

?>

<?php

add_filter( 'registration_redirect', 'registration_redirect_example' );

function registration_redirect_example() {
    return home_url( '/your-free-ebook/' ); 
}

// Example source: http://wpsnipp.com/index.php/functions-php/redirect-a-successful-registration-page/

?>

<?php

add_filter( 'comment_form_default_fields', 'comment_form_default_fields_example' );

function comment_form_default_fields_example( $fields ) {
    unset( $fields['url'] );
    return $fields;
}

// Example source: http://wpsnipp.com/index.php/comment/remove-unset-url-field-from-comment-form/

?>

<?php

add_filter( 'upload_mimes', 'upload_mimes_example' );

function upload_mimes_example( $existing_mimes = array() ) {
    unset( $existing_mimes['gif'] );
    return $existing_mimes;
}

// Example source: http://codex.wordpress.org/Plugin_API/Filter_Reference/upload_mimes

?>