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WordPress

_wp_object_name_sort_cb( object $a, object $b ): int

Since
3.1.0
Source
wp-includes/category-template.php:1073
Serves as a callback for comparing objects based on name.

Description

Used with uasort().

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

$aobject
The first object to compare.
$bobject
The second object to compare.

Return value

int
Negative number if $a->name is less than $b->name, zero if they are equal, or greater than zero if $a->name is greater than $b->name.

Performance profile

How much work a call to _wp_object_name_sort_cb() 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
9

Executed per call on PHP 8.5. The body compiles to 9.

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 · 1 distinct outcome

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

WhenInstructionsCalls it makes
always9strnatcasecmp()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 9 instructions, 9 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.

Source code

View on Trac View on GitHub 

function _wp_object_name_sort_cb( $a, $b ) {	return strnatcasecmp( $a->name, $b->name );}

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 7.1.0 tag, from src/wp-includes/category-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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