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WordPress

sanitize_title_for_query( string $title ): string

Since
3.1.0
Source
wp-includes/formatting.php:2262
Sanitizes a title with the 'query' context.

Description

Used for querying the database for a value from URL.

Compatibility

WordPress
since 3.1.0
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

$titlestring
The string to be sanitized.

Return value

string
The sanitized string.

Performance profile

How much work a call to sanitize_title_for_query() 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
7

Executed per call on PHP 8.5. The body compiles to 7.

Plugin surface
None

Nothing here hands control to plugin code.

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()one call below sanitize_title_for_query()

Further down the call graph this can also reach option, cache, serialize, query 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 sanitize_title_for_query() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
always7sanitize_title()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 7 instructions, 7 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.

Uses · 1

  • sanitize_title()Sanitizes a string into a slug, which can be used in URLs or HTML attributes.

Used by · 1

Source code

View on Trac View on GitHub 

function sanitize_title_for_query( $title ) {	return sanitize_title( $title, '', 'query' );}

Changelog

Introduced in 3.1.0. 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.

About this page

Parsed data
Generated from the wordpress-develop 7.0.4 tag, from src/wp-includes/formatting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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