wppaste
WordPress

get_the_title_rss( int|WP_Post $post = 0 ): string

Since
2.0.0, 6.6.0
Source
wp-includes/feed.php:158
Retrieves the current post title for the feed.

Compatibility

WordPress
since 6.6.0
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

$postint|WP_Postoptional
Post ID or WP_Post object. Default is global $post.Default: 0

Return value

string
Current post title.

Performance profile

How much work a call to get_the_title_rss() 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
Heavy

Reaches the database via get_post().

Scaling
Constant

No loop in the body: the same number of instructions runs whatever you pass in.

Instructions
10

Executed per call on PHP 8.5. The body compiles to 10.

Plugin surface
1 hook

Third-party callbacks on 'the_title_rss' run inside this call, and their cost is not bounded by anything here.

Called by
1

1 place in core call this, so the cost is paid more often than your own code shows.

What it touches

  • hookthird-party callbacksapply_filters()called directly
  • querycontent queryget_post()one call below get_the_title_rss()

Further down the call graph this can also reach option, 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 · 1 distinct outcome

One number would be a lie: the work depends on which branch runs. These are every distinct cost get_the_title_rss() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
always10get_the_title(), apply_filters()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 10 instructions, 10 executed per call, 0 branches. The work does not change between versions.

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 get_the_title_rss() runs, in this order:

  1. apply_filters( the_title_rss )filterline 168 (+10 into the body)

    Filters the post title for use in a feed.

Uses · 2

Used by · 1

Source code

View on Trac View on GitHub 

function get_the_title_rss( $post = 0 ) {	$title = get_the_title( $post ); 	/**	 * Filters the post title for use in a feed.	 *	 * @since 1.2.0	 *	 * @param string $title The current post title.	 */	return apply_filters( 'the_title_rss', $title );}

Changelog

Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

6.6.0
Added the $post parameter.from the docblock
2.0.0
Introduced.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 6.8.8 tag, from src/wp-includes/feed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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