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biofriction-web/biofriction-theme/library/cleanup.php

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2021-02-18 15:27:46 +01:00
<?php
/**
* Clean up WordPress defaults
*
* @package Biofriction
* @since Biofriction 1.0.0
*/
if ( ! function_exists( 'foundationpress_start_cleanup' ) ) :
function foundationpress_start_cleanup() {
// Launching operation cleanup.
add_action( 'init', 'foundationpress_cleanup_head' );
// Remove WP version from RSS.
add_filter( 'the_generator', 'foundationpress_remove_rss_version' );
// Remove pesky injected css for recent comments widget.
add_filter( 'wp_head', 'foundationpress_remove_wp_widget_recent_comments_style', 1 );
// Clean up comment styles in the head.
add_action( 'wp_head', 'foundationpress_remove_recent_comments_style', 1 );
}
add_action( 'after_setup_theme', 'foundationpress_start_cleanup' );
endif;
/**
* Clean up head.+
* ----------------------------------------------------------------------------
*/
// https://webdesignviews.com/clean-up-wordpress-header/
//
// https://blacksaildivision.com/how-to-clean-up-wordpress-head-tag
if ( ! function_exists( 'foundationpress_cleanup_head' ) ) :
function foundationpress_cleanup_head() {
// EditURI link.
remove_action( 'wp_head', 'rsd_link' );
// Category feed links.
remove_action( 'wp_head', 'feed_links_extra', 3 );
// Post and comment feed links.
remove_action( 'wp_head', 'feed_links', 2 );
// Windows Live Writer.
remove_action( 'wp_head', 'wlwmanifest_link' );
// Index link.
remove_action( 'wp_head', 'index_rel_link' );
// Previous link.
remove_action( 'wp_head', 'parent_post_rel_link', 10 );
// Start link.
remove_action( 'wp_head', 'start_post_rel_link', 10 );
// Canonical.
remove_action( 'wp_head', 'rel_canonical', 10 );
// Shortlink.
remove_action( 'wp_head', 'wp_shortlink_wp_head', 10 );
// Links for adjacent posts.
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10 );
// WP version.
remove_action( 'wp_head', 'wp_generator' );
// Emoji detection script.
remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
// Emoji styles.
remove_action( 'wp_print_styles', 'print_emoji_styles' );
// REST API links
remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );
// oEmbed discovery links
remove_action( 'wp_head', 'wp_oembed_add_discovery_links', 10 );
// disable link header to every page request
remove_action( 'template_redirect', 'rest_output_link_header', 11 , 0 );
// oEmbed remove everything
remove_action( 'wp_head', 'wp_oembed_add_host_js' );
remove_action( 'rest_api_init', 'wp_oembed_register_route' );
remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );
// Remove or setup DNS prefetch links
remove_action( 'wp_head', 'wp_resource_hints', 2 );
// Remove Gutenberg default styles
add_action( 'wp_print_styles', function (): void {
wp_dequeue_style('wp-block-library');
wp_dequeue_style('wp-block-library-theme');
});
// Remove unnecessary attributes from style tags
add_filter('style_loader_tag', function (string $tag, string $handle): string {
// Remove ID attribute
$tag = str_replace("id='${handle}-css'", '', $tag);
// Remove type attribute
$tag = str_replace(" type='text/css'", '', $tag);
// Change ' to " in attributes:
$tag = str_replace('\'', '"', $tag);
// Remove trailing slash
$tag = str_replace(' />', '>', $tag);
// Remove double spaces
return str_replace(' ', '', $tag);
}, 10, 2);
}
endif;
// Remove WP version from RSS.
if ( ! function_exists( 'foundationpress_remove_rss_version' ) ) :
function foundationpress_remove_rss_version() {
return '';
}
endif;
// Remove injected CSS for recent comments widget.
if ( ! function_exists( 'foundationpress_remove_wp_widget_recent_comments_style' ) ) :
function foundationpress_remove_wp_widget_recent_comments_style() {
if ( has_filter( 'wp_head', 'wp_widget_recent_comments_style' ) ) {
remove_filter( 'wp_head', 'wp_widget_recent_comments_style' );
}
}
endif;
// Remove injected CSS from recent comments widget.
if ( ! function_exists( 'foundationpress_remove_recent_comments_style' ) ) :
function foundationpress_remove_recent_comments_style() {
global $wp_widget_factory;
if ( isset( $wp_widget_factory->widgets['WP_Widget_Recent_Comments'] ) ) {
remove_action( 'wp_head', array( $wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style' ) );
}
}
endif;
// https://crunchify.com/how-to-clean-up-wordpress-header-section-without-any-plugin/
// Remove query strings from all static resources
if ( ! function_exists( 'crunchify_cleanup_query_string' ) ):
function crunchify_cleanup_query_string( $src ){
$parts = explode( '?', $src );
return $parts[0];
}
add_filter( 'script_loader_src', 'crunchify_cleanup_query_string', 15, 1 );
add_filter( 'style_loader_src', 'crunchify_cleanup_query_string', 15, 1 );
endif;
// Remove injected CSS and JS from Contact Forms 7.
// https://stackoverflow.com/questions/48923540/remove-contact-form-7-css-and-js-unless-contact-form-7-shortcode-is-used-in-the/48926880#48926880
if ( ! function_exists( 'function biofriction_contactform_css_js' ) ) :
function biofriction_contactform_css_js() {
// global $post;
// if( is_a( $post, 'WP_Post' ) && has_shortcode( $post->post_content, 'contact-form-7') ) {
// wp_enqueue_script('contact-form-7');
// wp_enqueue_style('contact-form-7');
//
// }else{
// wp_dequeue_script( 'contact-form-7' );
// wp_dequeue_style( 'contact-form-7' );
// }
//
//
// https://dannyvankooten.com/only-load-contact-form-7-scripts-when-needed/
//
$load_scripts = false;
if( is_singular() ) {
$post = get_post();
if( has_shortcode($post->post_content, 'contact-form-7') ) {
$load_scripts = true;
}
}
if( ! $load_scripts ) {
wp_dequeue_script( 'contact-form-7' );
wp_dequeue_style( 'contact-form-7' );
}
}
add_action( 'wp_enqueue_scripts', 'biofriction_contactform_css_js');
endif;