wppaste
WordPress

WP_List_Table::get_pagenum(): int

Since
3.1.0
Source
wp-admin/includes/class-wp-list-table.php:971
Gets the current page number.

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.

Return value

int
Current page number.

Performance profile

How much work a call to WP_List_Table::get_pagenum() 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
10–24

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 25.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
3

3 places in core call this, so the cost is paid more often than your own code shows.

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

WhenInstructionsCalls it makes
!isset($value)10–17none
isset($value)17–24absint()

Across PHP versions

PHPCompiledExecutedBranchesNotes
8.6-dev2410–2331 fewer instruction than PHP 8.5
8.52510–243
8.42510–2433 fewer instructions than PHP 8.3
8.32813–273
8.22813–273
8.12813–273
7.42813–273

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

  • absint()Converts a value to non-negative integer.

Used by · 3

Source code

	public function get_pagenum() {		$pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0; 		if ( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] ) {			$pagenum = $this->_pagination_args['total_pages'];		} 		return max( 1, $pagenum );	}

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-admin/includes/class-wp-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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