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WordPress

WP_Site_Health::get_autoloaded_options_size(): int

Since
6.6.0
Source
wp-admin/includes/class-wp-site-health.php:2657
Calculates total amount of autoloaded data.

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.

Return value

int
Autoloaded data in bytes.

Performance profile

How much work a call to WP_Site_Health::get_autoloaded_options_size() 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
Moderate

Only touches the object cache, via wp_cache_get().

Scaling
Scales with input

The body loops, so the work grows with how much data it finds.

Instructions
7–8

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 20.

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

  • serializeserialisationmaybe_serialize()called directly
  • hookthird-party callbacksapply_filters()one call below WP_Site_Health::get_autoloaded_options_size()
  • cacheobject cachewp_cache_get()one call below WP_Site_Health::get_autoloaded_options_size()

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_Site_Health::get_autoloaded_options_size() can have, taken from its control-flow graph on PHP 8.5.

WhenInstructionsCalls it makes
always7–8wp_load_alloptions()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 20 instructions, 7–8 executed per call, 4 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 · 2

Used by · 1

Source code

View on Trac View on GitHub 

	public function get_autoloaded_options_size() {		$alloptions = wp_load_alloptions(); 		$total_length = 0; 		foreach ( $alloptions as $option_value ) {			if ( is_array( $option_value ) || is_object( $option_value ) ) {				$option_value = maybe_serialize( $option_value );			}			$total_length += strlen( (string) $option_value );		} 		return $total_length;	}

Changelog

Introduced in 6.6.0. 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-admin/includes/class-wp-site-health.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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