<?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://developer.wordpress.org/advanced-administration/server/web-server/nginx/
*
* @package WordPress
*/
// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
die( '-1' );
}
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, $is_caddy;
// On which page are we?
if ( is_admin() ) {
// wp-admin pages are checked more carefully.
if ( is_network_admin() ) {
preg_match( '#/wp-admin/network/?(.*?)$#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 ( ! str_ends_with( $pagenow, '.php' ) ) {
$pagenow .= '.php'; // For `Options +Multiviews`: /wp-admin/themes/index.php (themes.php is queried).
}
}
} else {
if ( preg_match( '#([^/]+\.php)([?/].*?)?$#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 ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Lynx' ) ) {
$is_lynx = true;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Edg' ) ) {
$is_edge = true;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Opera' ) || str_contains( $_SERVER['HTTP_USER_AGENT'], 'OPR/' ) ) {
$is_opera = 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 is_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 ( ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) || str_contains( $_SERVER['HTTP_USER_AGENT'], 'Trident' ) )
&& str_contains( $_SERVER['HTTP_USER_AGENT'], 'Win' )
) {
$is_winIE = true;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) && str_contains( $_SERVER['HTTP_USER_AGENT'], 'Mac' ) ) {
$is_macIE = true;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Gecko' ) ) {
$is_gecko = true;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Nav' ) && str_contains( $_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.' ) ) {
$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 = ( str_contains( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) || str_contains( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) );
/**
* Whether the server software is Nginx or something else.
*
* @global bool $is_nginx
*/
$is_nginx = ( str_contains( $_SERVER['SERVER_SOFTWARE'], 'nginx' ) );
/**
* Whether the server software is Caddy / FrankenPHP or something else.
*
* @global bool $is_caddy
*/
$is_caddy = ( str_contains( $_SERVER['SERVER_SOFTWARE'], 'Caddy' ) || str_contains( $_SERVER['SERVER_SOFTWARE'], 'FrankenPHP' ) );
/**
* Whether the server software is IIS or something else.
*
* @global bool $is_IIS
*/
$is_IIS = ! $is_apache && ( str_contains( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS' ) || str_contains( $_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer' ) );
/**
* 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
* @since 6.4.0 Added checking for the Sec-CH-UA-Mobile request header.
*
* @return bool
*/
function wp_is_mobile() {
if ( isset( $_SERVER['HTTP_SEC_CH_UA_MOBILE'] ) ) {
// This is the `Sec-CH-UA-Mobile` user agent client hint HTTP request header.
// See <https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-CH-UA-Mobile>.
$is_mobile = ( '?1' === $_SERVER['HTTP_SEC_CH_UA_MOBILE'] );
} elseif ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
$is_mobile = false;
} elseif ( str_contains( $_SERVER['HTTP_USER_AGENT'], 'Mobile' ) // Many mobile devices (all iPhone, iPad, etc.)
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'Android' )
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'Silk/' )
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'Kindle' )
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'BlackBerry' )
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'Opera Mini' )
|| str_contains( $_SERVER['HTTP_USER_AGENT'], 'Opera Mobi' ) ) {
$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 );
}
في ظل التحول الرقمي المتسارع، أصبح التسويق الإلكتروني أحد أهم الأدوات التي تعتمد عليها المؤسسات والشركات لتحقيق الانتشار والوصول إلى جمهور أوسع.
في هذا الحوار التسجيلي، نسلّط الضوء على مفهوم التسويق الإلكتروني، أهميته في العصر الحديث، وكيف غيّر قواعد اللعبة في عالم المال والأعمال.
ال