This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_wp_add_global_attributes( array $value )

Helper function to add global attributes to a tag in the allowed html list.

Parameters

$value

(Required) An array of attributes.

Return

(array) The array of attributes with global attributes added.

Source

File: wp-includes/kses.php 

function _wp_add_global_attributes( $value ) {
	$global_attributes = array(
		'class' => true,
		'id' => true,
		'style' => true,
		'title' => true,
		'role' => true,
	);

	if ( true === $value )
		$value = array();

	if ( is_array( $value ) )
		return array_merge( $value, $global_attributes );

	return $value;
}

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Changelog

Changelog
Version Description
WP-3.5.0 Introduced.