Function and Method Cross Reference

wp_check_filetype_and_ext()

• /wp-includes/functions.php -> line 3058

• /wp-admin/includes/ajax-actions.php -> line 2615
• /wp-admin/includes/class-custom-image-header.php -> line 977
• /wp-admin/includes/file.php -> line 954
• /wp-admin/includes/class-custom-background.php -> line 540