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How to automatically add IDs to headings using functions.php in Wordpress
Can I install/update WordPress plugins without providing FTP access?How to add a PHP page to WordPress?Wordpress capabilities and current_user_can() in functions.phpCorrect file permissions for WordPressCreate new user automatically via functions.php in WordPressWordpress automatic head tagRemove and add actions in Wordpress using functions.phpAdd “vc_add_shortcode_param” in WordPress functions.phpWhy post.php and functions.php of a WordPress site are automatically emptied?add js to <head> of specific page via functions.php in wordpress
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I am wondering how I could implement unique IDs for each heading element in a post (excluding pages) in Wordpress. That is, if two headings are identical, they should get different IDs. The IDs should also be descriptive. A dashed version of the actual title text is great.
I have found this code online:
// This function adds nice anchor with id attribute to our h2 tags for reference
// @link: http://www.w3.org/TR/html4/struct/links.html#h-12.2.3
function anchor_content_h2($content)
// Pattern that we want to match
$pattern = '/<h2>(.*?)</h2>/';
// now run the pattern and callback function on content
// and process it through a function that replaces the title with an id
$content = preg_replace_callback($pattern, function ($matches)
$title = $matches[1];
$slug = sanitize_title_with_dashes($title);
return '<h2 id="' . $slug . '">' . $title . '</h2>';
, $content);
return $content;
add_filter('the_content', 'anchor_content_h2');
My concern here is that two identical headings will get the same ID. It also only works for H2-elements. Is there a better way to do what I want, or is this kind of thing generally not smart to implement?
wordpress
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
add a comment |
I am wondering how I could implement unique IDs for each heading element in a post (excluding pages) in Wordpress. That is, if two headings are identical, they should get different IDs. The IDs should also be descriptive. A dashed version of the actual title text is great.
I have found this code online:
// This function adds nice anchor with id attribute to our h2 tags for reference
// @link: http://www.w3.org/TR/html4/struct/links.html#h-12.2.3
function anchor_content_h2($content)
// Pattern that we want to match
$pattern = '/<h2>(.*?)</h2>/';
// now run the pattern and callback function on content
// and process it through a function that replaces the title with an id
$content = preg_replace_callback($pattern, function ($matches)
$title = $matches[1];
$slug = sanitize_title_with_dashes($title);
return '<h2 id="' . $slug . '">' . $title . '</h2>';
, $content);
return $content;
add_filter('the_content', 'anchor_content_h2');
My concern here is that two identical headings will get the same ID. It also only works for H2-elements. Is there a better way to do what I want, or is this kind of thing generally not smart to implement?
wordpress
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
add a comment |
I am wondering how I could implement unique IDs for each heading element in a post (excluding pages) in Wordpress. That is, if two headings are identical, they should get different IDs. The IDs should also be descriptive. A dashed version of the actual title text is great.
I have found this code online:
// This function adds nice anchor with id attribute to our h2 tags for reference
// @link: http://www.w3.org/TR/html4/struct/links.html#h-12.2.3
function anchor_content_h2($content)
// Pattern that we want to match
$pattern = '/<h2>(.*?)</h2>/';
// now run the pattern and callback function on content
// and process it through a function that replaces the title with an id
$content = preg_replace_callback($pattern, function ($matches)
$title = $matches[1];
$slug = sanitize_title_with_dashes($title);
return '<h2 id="' . $slug . '">' . $title . '</h2>';
, $content);
return $content;
add_filter('the_content', 'anchor_content_h2');
My concern here is that two identical headings will get the same ID. It also only works for H2-elements. Is there a better way to do what I want, or is this kind of thing generally not smart to implement?
wordpress
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
I am wondering how I could implement unique IDs for each heading element in a post (excluding pages) in Wordpress. That is, if two headings are identical, they should get different IDs. The IDs should also be descriptive. A dashed version of the actual title text is great.
I have found this code online:
// This function adds nice anchor with id attribute to our h2 tags for reference
// @link: http://www.w3.org/TR/html4/struct/links.html#h-12.2.3
function anchor_content_h2($content)
// Pattern that we want to match
$pattern = '/<h2>(.*?)</h2>/';
// now run the pattern and callback function on content
// and process it through a function that replaces the title with an id
$content = preg_replace_callback($pattern, function ($matches)
$title = $matches[1];
$slug = sanitize_title_with_dashes($title);
return '<h2 id="' . $slug . '">' . $title . '</h2>';
, $content);
return $content;
add_filter('the_content', 'anchor_content_h2');
My concern here is that two identical headings will get the same ID. It also only works for H2-elements. Is there a better way to do what I want, or is this kind of thing generally not smart to implement?
wordpress
wordpress
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
asked Mar 25 at 12:34
SpacePilotSpacePilot
447 bronze badges
447 bronze badges
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
There are plenty of ways to do this but if you use the post_name, you'll end up with a unique, dashed and descriptive value.
https://codex.wordpress.org/Class_Reference/WP_Post#Member_Variables_of_WP_Post
If it were me, I would likely throw the code below into the respective template file.
the_title( '<h2 class="' . get_post_field( 'post_name', get_post() ) . '">', '</h2>' );
EDIT - So each h2 isn't tied to a post? You could just append $slug with a unique ID.
$slug = sanitize_title_with_dashes($title) . '-' . uniqid();
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
There are plenty of ways to do this but if you use the post_name, you'll end up with a unique, dashed and descriptive value.
https://codex.wordpress.org/Class_Reference/WP_Post#Member_Variables_of_WP_Post
If it were me, I would likely throw the code below into the respective template file.
the_title( '<h2 class="' . get_post_field( 'post_name', get_post() ) . '">', '</h2>' );
EDIT - So each h2 isn't tied to a post? You could just append $slug with a unique ID.
$slug = sanitize_title_with_dashes($title) . '-' . uniqid();
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
add a comment |
There are plenty of ways to do this but if you use the post_name, you'll end up with a unique, dashed and descriptive value.
https://codex.wordpress.org/Class_Reference/WP_Post#Member_Variables_of_WP_Post
If it were me, I would likely throw the code below into the respective template file.
the_title( '<h2 class="' . get_post_field( 'post_name', get_post() ) . '">', '</h2>' );
EDIT - So each h2 isn't tied to a post? You could just append $slug with a unique ID.
$slug = sanitize_title_with_dashes($title) . '-' . uniqid();
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
add a comment |
There are plenty of ways to do this but if you use the post_name, you'll end up with a unique, dashed and descriptive value.
https://codex.wordpress.org/Class_Reference/WP_Post#Member_Variables_of_WP_Post
If it were me, I would likely throw the code below into the respective template file.
the_title( '<h2 class="' . get_post_field( 'post_name', get_post() ) . '">', '</h2>' );
EDIT - So each h2 isn't tied to a post? You could just append $slug with a unique ID.
$slug = sanitize_title_with_dashes($title) . '-' . uniqid();
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
There are plenty of ways to do this but if you use the post_name, you'll end up with a unique, dashed and descriptive value.
https://codex.wordpress.org/Class_Reference/WP_Post#Member_Variables_of_WP_Post
If it were me, I would likely throw the code below into the respective template file.
the_title( '<h2 class="' . get_post_field( 'post_name', get_post() ) . '">', '</h2>' );
EDIT - So each h2 isn't tied to a post? You could just append $slug with a unique ID.
$slug = sanitize_title_with_dashes($title) . '-' . uniqid();
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
edited Mar 25 at 15:04
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
answered Mar 25 at 14:06
epierpontepierpont
1568 bronze badges
1568 bronze badges
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
add a comment |
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
I am not sure that this is what I want to do. My goal is to have every H2-heading in a post have it's own unique and descriptive ID. I don't see how this will help in doing that? What am I missing here?
– SpacePilot
Mar 25 at 14:48
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
Ah, to have the mind of a programmer. Thanks, that will work. Feeling kind of stupid, but I'll go for it :)
– SpacePilot
Mar 25 at 15:29
add a comment |
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