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WordPress

wp_enqueue_script_module( string $id, string $src = '', array $deps = array(), string|false|null $version = false, array $args = array() )

Since
6.5.0, 6.9.0
Source
wp-includes/script-modules.php:115
Marks the script module to be enqueued in the page.

Description

If a src is provided and the script module has not been registered yet, it will be registered.

Compatibility

WordPress
since 6.9.0
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

$idstring
The identifier of the script module. Should be unique. It will be used in the final import map.
$srcstringoptional
Full URL of the script module, or path of the script module relative to the WordPress root directory. If it is provided and the script module has not been registered yet, it will be registered.Default: ''
$depsarrayoptional
Default: array()
$versionstring|false|nulloptional
String specifying the script module version number. Defaults to false.
It is added to the URL as a query string for cache busting purposes. If $version is set to false, the version number is the currently installed WordPress version.
If $version is set to null, no version is added.Default: false
$argsarrayoptional
Default: array()

Performance profile

How much work a call to wp_enqueue_script_module() 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
15

Executed per call on PHP 8.5. The body compiles to 15.

Plugin surface
None

Nothing here hands control to plugin code.

Called by
13

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

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

WhenInstructionsCalls it makes
always15wp_script_modules(), ->enqueue()

Across PHP versions

Compiles the same on PHP 7.4, 8.1, 8.2, 8.3, 8.4, 8.5 and 8.6-dev: 15 instructions, 15 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.

Uses · 2

  • wp_script_modules()Retrieves the main WP_Script_Modules instance.
  • wp_script_modules()::enqueue()

Used by · 13

Show all 13

Source code

function wp_enqueue_script_module( string $id, string $src = '', array $deps = array(), $version = false, array $args = array() ) {	wp_script_modules()->enqueue( $id, $src, $deps, $version, $args );}

Changelog

Introduced in 6.5.0. One change between 6.7.7 and 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.

6.9.7
Parameter $args added.verified against source
6.9.0
Added the $args parameter.from the docblock
6.5.0
Introduced.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/script-modules.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
Corrections
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