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WordPress

twentythirteen_resource_hints( array $urls, string $relation_type ): array

Since
Twenty Thirteen 2.1
Source
wp-content/themes/twentythirteen/functions.php:373
Adds preconnect for Google Fonts.

Compatibility

Deprecated in WordPress Twenty Thirteen 3.8 Disabled filter because, by default, fonts are self-hosted.. Twenty Thirteen 3.8 Disabled filter because, by default, fonts are self-hosted.

WordPress
since Twenty Thirteen 2.1
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

$urlsarray
URLs to print for resource hints.
$relation_typestring
The relation type the URLs are printed.

Return value

array
URLs to print for resource hints.

Performance profile

How much work a call to twentythirteen_resource_hints() 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

Touches nothing outside its own arguments.

Scaling
Constant

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

Instructions
8–19

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 22.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
0

Nothing in core calls this; the cost is only what you spend yourself.

What one call costs · 2 distinct outcomes

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

WhenInstructionsCalls it makes
always8–10wp_style_is()
wp_style_is() && $relation_type === "preconnect"19wp_style_is(), version_compare()

Across PHP versions

PHPCompiledExecutedBranchesNotes
8.6-dev228–193
8.5228–193
8.4228–193
8.3228–193
8.2228–193
8.1228–1931 fewer instruction than PHP 7.4
7.4238–203

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.

Uses · 1

  • wp_style_is()Checks whether a CSS stylesheet has been added to the queue.

Source code

View on Trac View on GitHub 

function twentythirteen_resource_hints( $urls, $relation_type ) {	if ( wp_style_is( 'twentythirteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {		if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {			$urls[] = array(				'href' => 'https://fonts.gstatic.com',				'crossorigin',			);		} else {			$urls[] = 'https://fonts.gstatic.com';		}	} 	return $urls;}

Changelog

Introduced in Twenty Thirteen 2.1. 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.

Twenty Thirteen 2.1
Twenty Thirteen 2.1from the docblock
Twenty Thirteen 3.8 Disabled filter because, by default, fonts are self-hosted.
Deprecated. Twenty Thirteen 3.8 Disabled filter because, by default, fonts are self-hosted.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 7.1.0 tag, from src/wp-content/themes/twentythirteen/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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