Adds extra code to a registered script.

Code will only be added if the script is already in the queue.
Accepts a string $data containing the Code. If two or more code blocks are added to the same script $handle, they will be printed in the order they were added, i.e. the latter added code can redeclare the previous.

• WP_Scripts::add_inline_script()

$handle string Required

Name of the script to add the inline script to.

$data string Required

String containing the JavaScript to be added.

$position string Optional

Whether to add the inline script before the handle or after. Default 'after'.

Default: 'after'

bool True on success, false on failure.

File: wp-includes/functions.wp-scripts.php. View all references

function wp_add_inline_script( $handle, $data, $position = 'after' ) {
	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );

	if ( false !== stripos( $data, '</script>' ) ) {
		_doing_it_wrong(
			__FUNCTION__,
			sprintf(
				/* translators: 1: <script>, 2: wp_add_inline_script() */
				__( 'Do not pass %1$s tags to %2$s.' ),
				'<code>&lt;script&gt;</code>',
				'<code>wp_add_inline_script()</code>'
			),
			'4.5.0'
		);
		$data = trim( preg_replace( '#<script[^>]*>(.*)</script>#is', '$1', $data ) );
	}

	return wp_scripts()->add_inline_script( $handle, $data, $position );
}