apply_filters( 'the_content', string $content )
Filters the post content.
Contents
Description Description
Parameters Parameters
- $content
-
(string) Content of the current post.
Source Source
Changelog Changelog
Version | Description |
---|---|
0.71 | Introduced. |
More Information More Information
This filter is used to filter the content of a post after it is retrieved from the database and before it is printed to the screen.
Usage Usage
When using this filter it’s important to check if you’re filtering the content in the main query with the conditionals is_main_query() and in_the_loop(). The main post query can be thought of as the primary post loop that displays the main content for a post, page or archive. Without these conditionals you could unintentionally be filtering the content for custom loops in sidebars, footers, or elsewhere.
add_filter( 'the_content', 'filter_the_content_in_the_main_loop' ); function filter_the_content_in_the_main_loop( $content ) { // Check if we're inside the main loop in a single post page. if ( is_single() && in_the_loop() && is_main_query() ) { return $content . esc_html__("I'm filtering the content inside the main loop", "my-textdomain"); } return $content; }
User Contributed Notes User Contributed Notes
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You can choose whether $content will have Shortcodes processed before or after your
the_content
function has executed by setting the Priority inadd_filter
. The default (10) will process Shortcodes after you have returned $content at the end of your Filter function. A large figure, such as 99, will already have processed Shortcodes before your Filter function is passed $content.Note that
the_content
filter isn’t used whenget_the_content()
function is called.Example
Consolidate multiple string replacement filters
String replacements are a common reason for filtering
the_content
and with PHP7 you can now consolidate multiple callback functions usingpreg_replace_callback_array();
if it makes sense to.Example:
Expand full source codeCollapse full source code
the info at the bottom of the hook is wrong for most of the hooks :
Used by 7 functions | Uses 0 functions (At least it could be 0 function … ah ah ah !)
HERE is what i have for WP 5.1 :
* (7 is right, 0 is wrong)
* and i am not counting apply_filters_ref_array (happily there is no for “the_content” )
apply_filter
the_content comment.php 2656
the_content feed.php 191
the_content formatting.php 3692
the_content post-template.php 247
the_content class-wp-rest-attachments-controller.php 310
the_content class-wp-rest-posts-controller.php 1532
the_content class-wp-rest-revisions-controller.php 545
add_filter
the_content blocks.php 269
the_content blocks.php 296
the_content class-wp-embed.php 32
the_content class-wp-embed.php 39
the_content default-filters.php 142
the_content default-filters.php 172
the_content default-filters.php 173
the_content default-filters.php 174
the_content default-filters.php 175
the_content default-filters.php 176
the_content default-filters.php 177
the_content default-filters.php 178
the_content default-filters.php 519
There should be an indication of the WP version.
my doc (WP 5.1) is available here (https://blog.mailpress.org/hooks/wordpress-5-1/) !