WordPress Function 정리 (with 추천)

1. 관리바 제거 (Remove Admin Bar)

add_filter('show_admin_bar', '__return_false');

2. jpeg 퀄리티 (jpeg quality)

add_filter( 'jpeg_quality', 'wp_jpeg_quality' );
function wp_jpeg_quality() {
    return 100;
}

3. Yoast (Remove All Yoast HTML Comments)

– Yoast SEO Plugin Version: 14.1+

add_filter('wpseo_debug_markers', '__return_false');

– Yoast SEO Plugin Version: < 14.1

add_action('wp_head',function() { ob_start(function($o) {
return preg_replace('/\n?<.*?yoast seo plugin.*?>/mi','',$o);
}); },~PHP_INT_MAX);

4. WordPress 버전 제거 (Remove WordPress Version)

function wp_remove_version() { return ''; }
add_filter('the_generator', 'wp_remove_version');

5. css, js 버전 제거 (Remove css, js Versionpress Version)

function remove_cssjs_ver( $src ) {
    if( strpos( $src, '?ver=' ) || strpos( $src, '&ver=' ) )
    $src = remove_query_arg( 'ver', $src );
    return $src;
}
add_filter( 'style_loader_src', 'remove_cssjs_ver', 10, 2 );
add_filter('script_loader_src', 'remove_cssjs_ver', 10, 2 );

6. Meta Generators 제거 (Remove All Meta Generators)

function remove_meta_generators($html) {
    $pattern = '/<meta name(.*)=(.*)"generator"(.*)>/i';
    $html = preg_replace($pattern, '', $html);
    return $html;
}
function remove_meta_generators2($html) {
    $pattern = '/<meta name(.*)=(.*)"SKYPE_TOOLBAR"(.*)>/i';
    $html = preg_replace($pattern, '', $html);
    return $html;
}
function clean_meta_generators($html) {
    ob_start('remove_meta_generators');
    ob_start('remove_meta_generators2');
}
add_action('get_header', 'clean_meta_generators', 100);
add_action('wp_footer', function(){ ob_end_flush(); }, 100);

7. 댓글 HTML 끄기 (Disable HTML Comment)

//add_filter( 'pre_comment_content', 'wp_specialchars' );

8. 워드프레스 JSON REST API 끄기 (Disable JSON REST API)

add_filter ('json_enabled', '__return_false');
add_filter ('json_jsonp_enabled', '__return_false');

9. 워드프레스 xml-rpc 끄기 (Disable xml-rpc)

add_filter ( 'xmlrpc_enabled', '__return_false' );

10. Custom 코드 넣기

add_action( 'wp_head', 'my_own_analytics', 20 );
function my_own_analytics() { ?>
    //<script src="주소"></script>
<?php
}