wp-includes/deprecated.php:5897Prints the CSS in the embed iframe header.
function print_embed_styles() { _deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_embed_styles' ); $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; $suffix = SCRIPT_DEBUG ? '' : '.min'; ?> <style<?php echo $type_attr; ?>> <?php echo file_get_contents( ABSPATH . WPINC . "/css/wp-embed-template$suffix.css" ); ?> </style> <?php}Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.