wppaste
WordPress

fix_import_form_size( int $size ): int

Since
MU (3.0.0)
Source
wp-admin/includes/ms.php:280
Gets the remaining upload space for this site.

Compatibility

WordPress
since MU (3.0.0)
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

$sizeint
Current max size in bytes.

Return value

int
Max size in bytes.

Performance profile

How much work a call to fix_import_form_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

Reads stored settings via get_site_option(), cached per request but not free on a cold cache.

Scaling
Constant

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

Instructions
6–10

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 11.

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 it touches

  • optionnetwork optionget_site_option()one call below fix_import_form_size()

Further down the call graph this can also reach hook, cache, serialize, transient and query. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.

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

WhenInstructionsCalls it makes
upload_is_user_over_quota()6upload_is_user_over_quota()
!upload_is_user_over_quota()10upload_is_user_over_quota(), get_upload_space_available()

Across PHP versions

PHPCompiledExecutedBranchesNotes
8.6-dev116–101
8.5116–101
8.4116–1013 fewer instructions than PHP 8.3
8.3146–131
8.2146–131
8.1146–131
7.4146–131

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

Source code

function fix_import_form_size( $size ) {	if ( upload_is_user_over_quota( false ) ) {		return 0;	}	$available = get_upload_space_available();	return min( $size, $available );}

Changelog

Introduced in MU (3.0.0). 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.

About this page

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