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WordPress

WP_Plugins_List_Table::add_dependencies_to_dependent_plugin_row( string $dependent )

Since
6.5.0
Source
wp-admin/includes/class-wp-plugins-list-table.php:1645
Prints a list of other plugins that the plugin depends on.

Compatibility

WordPress
since 6.5.0
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

$dependentstring
The dependent plugin's filepath, relative to the plugins directory.

Performance profile

How much work a call to WP_Plugins_List_Table::add_dependencies_to_dependent_plugin_row() 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
Heavy

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

Scaling
Scales with input

The body loops, so the work grows with what you pass in.

Instructions
8–54

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 71.

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

  • optionnetwork optionget_site_option()one call below WP_Plugins_List_Table::add_dependencies_to_dependent_plugin_row()
  • hookthird-party callbacksapply_filters()one call below WP_Plugins_List_Table::add_dependencies_to_dependent_plugin_row()

Further down the call graph this can also reach 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 · 5 distinct outcomes

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

WhenInstructionsCalls it makes
$dependency_names === false8::WP_Plugin_Dependencies()
$dependency_names !== false && !is_multisite() && !::WP_Plugin_Dependencies()41–42::WP_Plugin_Dependencies(), is_multisite(), is_plugin_active(), wp_get_list_item_separator(), __(), sprintf(), ::WP_Plugin_Dependencies(), printf()
$dependency_names !== false && is_multisite() && !::WP_Plugin_Dependencies()42–43::WP_Plugin_Dependencies(), is_multisite(), is_plugin_active_for_network(), wp_get_list_item_separator(), __(), sprintf(), ::WP_Plugin_Dependencies(), printf()
$dependency_names !== false && !is_multisite() && ::WP_Plugin_Dependencies()51–53::WP_Plugin_Dependencies(), is_multisite(), is_plugin_active(), wp_get_list_item_separator(), __(), sprintf(), ::WP_Plugin_Dependencies(), __(), wp_get_admin_notice(), printf()
$dependency_names !== false && is_multisite() && ::WP_Plugin_Dependencies()52–54::WP_Plugin_Dependencies(), is_multisite(), is_plugin_active_for_network(), wp_get_list_item_separator(), __(), sprintf(), ::WP_Plugin_Dependencies(), __(), wp_get_admin_notice(), printf()

Across PHP versions

PHPCompiledExecutedBranchesNotes
8.6-dev698–5362 fewer instructions than PHP 8.5
8.5718–546
8.4718–5463 fewer instructions than PHP 8.3
8.3748–576
8.2748–576
8.1748–576
7.4748–576

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 · 9

Used by · 1

Source code

	protected function add_dependencies_to_dependent_plugin_row( $dependent ) {		$dependency_names = WP_Plugin_Dependencies::get_dependency_names( $dependent ); 		if ( array() === $dependency_names ) {			return;		} 		$links = array();		foreach ( $dependency_names as $slug => $name ) {			$links[] = $this->get_dependency_view_details_link( $name, $slug );		} 		$is_active = is_multisite() ? is_plugin_active_for_network( $dependent ) : is_plugin_active( $dependent );		$comma     = wp_get_list_item_separator();		$requires  = sprintf(			/* translators: %s: List of dependency names. */			__( '<strong>Requires:</strong> %s' ),			implode( $comma, $links )		); 		$notice        = '';		$error_message = '';		if ( WP_Plugin_Dependencies::has_unmet_dependencies( $dependent ) ) {			if ( $is_active ) {				$error_message = __( 'This plugin is active but may not function correctly because required plugins are missing or inactive.' );			} else {				$error_message = __( 'This plugin cannot be activated because required plugins are missing or inactive.' );			}			$notice = wp_get_admin_notice(				$error_message,				array(					'type'               => 'error',					'additional_classes' => array( 'inline', 'notice-alt' ),				)			);		} 		printf(			'<div class="requires"><p>%1$s</p>%2$s</div>',			$requires,			$notice		);	}

Changelog

Introduced in 6.5.0. 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-plugins-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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