wp_add_inline_script() WP 1.0

Adds extra code to a registered script.

Code will only be added if the script in 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.

No Hooks.

Return

true/false. True on success, false on failure.

Usage

wp_add_inline_script( $handle, $data, $position );

$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)

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

Code of wp add inline script: wp-includes/functions.wp-scripts.php ^{VER 5.0.3}

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

	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 );
}

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From tag: script

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