render_block_core_comment_content( array $attributes, string $content, WP_Block $block ): string
- Since
- 6.0.0
- Source
wp-includes/blocks/comment-content.php:18
core/comment-content block on the server.Compatibility
- WordPress
- since 6.0.0
- PHP
- 7.4–8.6-dev
- 6.7.7
- 6.8.8
- 6.9.7
- 7.0.4
- 7.1.0
Present in every tracked release (6.7.7 to 7.1.0), and compiles on PHP 7.4 through 8.6-dev.
Parameters
$attributesarray- Block attributes.
$contentstring- Block default content.
$blockWP_Block- Block instance.
Return value
string- Return the post comment's content.
Performance profile
How much work a call to render_block_core_comment_content() does, and what it touches: the algorithmic scaling, the Zend instruction count per call across PHP versions, the hooks it hands control to, and the core code that calls it. Measured from the compiled opcodes, not a stopwatch, so every number is identical on any machine running the same PHP version, and every function in core is ranked by cost.
- Cost class
- Trivial
- Scaling
- Constant
- Instructions
- 7–88
- Plugin surface
- 1 hook
- Called by
- 0
Touches nothing outside its own arguments.
No loop in the body: the same number of instructions runs whatever you pass in.
Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 95.
Third-party callbacks on 'comment_text' run inside this call, and their cost is not bounded by anything here.
Nothing in core calls this; the cost is only what you spend yourself.
What it touches
- hookthird-party callbacks
apply_filters()called directly
Further down the call graph this can also reach option, query, cache, serialize and transient. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.
What one call costs · 6 distinct outcomes
One number would be a lie: the work depends on which branch runs. These are every distinct cost render_block_core_comment_content() can have, taken from its control-flow graph on PHP 8.5.
| When | Instructions | Calls it makes |
|---|---|---|
!isset($value) | 7 | none |
isset($value) && empty($comment) | 22–24 | get_comment(), wp_get_current_commenter() |
isset($value) && !empty($comment) | 29–31 | get_comment(), wp_get_current_commenter(), get_comment_text() |
isset($value) && !empty($comment) | 61–69 | get_comment(), wp_get_current_commenter(), get_comment_text(), apply_filters(), class(), sprintf() |
isset($value) && !empty($comment) | 74–83 | get_comment(), wp_get_current_commenter(), get_comment_text(), apply_filters(), wp_get_current_commenter(), __(), class(), sprintf() |
isset($value) && !empty($comment) | 79–88 | get_comment(), wp_get_current_commenter(), get_comment_text(), apply_filters(), wp_get_current_commenter(), __(), wp_kses(), class(), sprintf() |
Across PHP versions
| PHP | Compiled | Executed | Branches | Notes |
|---|---|---|---|---|
| 8.6-dev | 95 | 7–88 | 9 | |
| 8.5 | 95 | 7–88 | 9 | |
| 8.4 | 95 | 7–88 | 9 | 3 fewer instructions than PHP 8.3 |
| 8.3 | 98 | 7–91 | 9 | |
| 8.2 | 98 | 7–91 | 9 | |
| 8.1 | 98 | 7–91 | 9 | |
| 7.4 | 98 | 7–91 | 9 |
An instruction is not a fixed amount of time, so a matching count is not necessarily the same speed; what it rules out is a difference in the work itself.
Hooks and filters fired · 1
One hook fires while render_block_core_comment_content() runs, in this order:
- apply_filters( comment_text )filterline 37 (+19 into the body)
Filters the text of a comment to be displayed.
Uses · 7
- get_comment()Retrieves comment data given a comment ID or comment object.
- wp_get_current_commenter()Gets current commenter's name, email, and URL.
- get_comment_text()Retrieves the text of the current comment.
- apply_filters()Calls the callback functions that have been added to a filter hook.
- __()Retrieves the translation of $text.
- wp_kses()Filters text content and strips out disallowed HTML.
- get_block_wrapper_attributes()Generates a string of attributes by applying to the current block being rendered all of the features that the block supports.
Source code
function render_block_core_comment_content( $attributes, $content, $block ) { if ( ! isset( $block->context['commentId'] ) ) { return ''; } $comment = get_comment( $block->context['commentId'] ); $commenter = wp_get_current_commenter(); $show_pending_links = isset( $commenter['comment_author'] ) && $commenter['comment_author']; if ( empty( $comment ) ) { return ''; } $args = array(); $comment_text = get_comment_text( $comment, $args ); if ( ! $comment_text ) { return ''; } /** This filter is documented in wp-includes/comment-template.php */ $comment_text = apply_filters( 'comment_text', $comment_text, $comment, $args ); $moderation_note = ''; if ( '0' === $comment->comment_approved ) { $commenter = wp_get_current_commenter(); if ( $commenter['comment_author_email'] ) { $moderation_note = __( 'Your comment is awaiting moderation.' ); } else { $moderation_note = __( 'Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.' ); } $moderation_note = '<p><em class="comment-awaiting-moderation">' . $moderation_note . '</em></p>'; if ( ! $show_pending_links ) { $comment_text = wp_kses( $comment_text, array() ); } } $classes = array(); if ( isset( $attributes['textAlign'] ) ) { $classes[] = 'has-text-align-' . $attributes['textAlign']; } if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { $classes[] = 'has-link-color'; } $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) ); return sprintf( '<div %1$s>%2$s%3$s</div>', $wrapper_attributes, $moderation_note, $comment_text );}Changelog
Introduced in 6.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
About this page
- Parsed data
- Generated from the wordpress-develop 7.1.0 tag, from
src/wp-includes/blocks/comment-content.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it. - Corrections
- Something wrong on this page? Report it and it gets fixed in the next regeneration.