admin_print_styles action-hook . WP 1.0
This action is documented in wp-admin/admin-header.php
Usage
add_action( 'admin_print_styles', 'action_function_name_6950' );
function action_function_name_6950(){
// action...
}Where the hook is called
admin_print_styles
admin_print_styles
admin_print_styles
wp-includes/class-wp-customize-widgets.php 671
do_action( 'admin_print_styles' );
wp-admin/includes/template.php 2052
do_action( 'admin_print_styles' );
wp-admin/includes/media.php 552
do_action( 'admin_print_styles' );
wp-admin/admin-header.php 116
do_action( 'admin_print_styles' );
Where in WP core the hook is used WordPress
wp-admin/includes/admin-filters.php 52
add_filter( 'admin_print_styles', 'wp_resource_hints', 1 );
wp-includes/default-filters.php 396
add_action( 'admin_print_styles', 'print_emoji_styles' );
wp-includes/default-filters.php 397
add_action( 'admin_print_styles', 'print_admin_styles', 20 );