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<?php
/**
* Utilities
*
* @package wp-ulike
* @author TechnoWich 2024
* @link https://wpulike.com
*/
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
die('No Naughty Business Please !');
}
if( ! function_exists( 'wp_ulike_set_transient' ) ) {
/**
* Set/update the value of a transient.
*
* You do not need to serialize values. If the value needs to be serialized, then
* it will be serialized before it is set.
*
*
* @param string $transient Transient name. Expected to not be SQL-escaped. Must be
* 172 characters or fewer in length.
* @param mixed $value Transient value. Must be serializable if non-scalar.
* Expected to not be SQL-escaped.
* @param int $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
* @return bool False if value was not set and true if value was set.
*/
function wp_ulike_set_transient( $transient, $value, $expiration = 0 ) {
global $_wp_using_ext_object_cache;
$current_using_cache = $_wp_using_ext_object_cache;
$_wp_using_ext_object_cache = false;
$result = set_transient( $transient, $value, $expiration );
$_wp_using_ext_object_cache = $current_using_cache;
return $result;
}
}
if( ! function_exists( 'wp_ulike_get_transient' ) ) {
/**
* Get the value of a transient.
*
* If the transient does not exist, does not have a value, or has expired,
* then the return value will be false.
*
* @param string $transient Transient name. Expected to not be SQL-escaped.
* @return mixed Value of transient.
*/
function wp_ulike_get_transient( $transient ) {
global $_wp_using_ext_object_cache;
$current_using_cache = $_wp_using_ext_object_cache;
$_wp_using_ext_object_cache = false;
$result = get_transient( $transient );
$_wp_using_ext_object_cache = $current_using_cache;
return $result;
}
}
if( ! function_exists( 'wp_ulike_delete_transient' ) ) {
/**
* Delete a transient.
*
* @param string $transient Transient name. Expected to not be SQL-escaped.
* @return bool true if successful, false otherwise
*/
function wp_ulike_delete_transient( $transient ) {
global $_wp_using_ext_object_cache;
$current_using_cache = $_wp_using_ext_object_cache;
$_wp_using_ext_object_cache = false;
$result = delete_transient( $transient );
$_wp_using_ext_object_cache = $current_using_cache;
return $result;
}
}
if( ! function_exists('wp_ulike_is_true') ){
/**
* Check variable status
*
* @return void
*/
function wp_ulike_is_true( $var ) {
if ( is_bool( $var ) ) {
return $var;
}
if ( is_string( $var ) ){
$var = strtolower( $var );
if( in_array( $var, array( 'yes', 'on', 'true', 'checked' ) ) ){
return true;
}
}
if ( is_numeric( $var ) ) {
return (bool) $var;
}
return false;
}
}
if( ! function_exists('wp_ulike_is_cache_exist') ){
/**
* Check cache existence
*
* @return void
*/
function wp_ulike_is_cache_exist(){
$cache_exist = wp_ulike_get_option( 'cache_exist', false );
return $cache_exist || ( defined( 'WP_CACHE' ) && WP_CACHE === true );
}
}
if( ! function_exists( 'wp_ulike_date_i18n' ) ){
/**
* Date in localized format
*
* @author Alimir
* @param String (Date)
* @since 2.3
* @return String
*/
function wp_ulike_date_i18n($date){
return date_i18n(
get_option( 'date_format' ) . ' @ ' . get_option( 'time_format' ),
strtotime($date)
);
}
}
if( ! function_exists( 'wp_ulike_get_user_ip' ) ){
/**
* Get user IP
*
* @return string
*/
function wp_ulike_get_user_ip(){
$whitelist = [];
$isUsingCloudflare = !empty(filter_input(INPUT_SERVER, 'CF-Connecting-IP'));
if (apply_filters('wp_ulike_whip_whitelist_cloudflare', $isUsingCloudflare)) {
$cloudflareIps = wp_ulike_get_cloudflare_ips();
$whitelist[\Vectorface\Whip\Whip::CLOUDFLARE_HEADERS] = [\Vectorface\Whip\Whip::IPV4 => $cloudflareIps['v4']];
if (defined('AF_INET6')) {
$whitelist[\Vectorface\Whip\Whip::CLOUDFLARE_HEADERS][\Vectorface\Whip\Whip::IPV6] = $cloudflareIps['v6'];
}
}
$whitelist = apply_filters('wp_ulike_whip_whitelist', $whitelist);
$methods = apply_filters('wp_ulike_whip_methods', \Vectorface\Whip\Whip::ALL_METHODS);
$whip = new \Vectorface\Whip\Whip($methods, $whitelist);
do_action( 'wp_ulike_whip_action', $whip );
if (false === ($clientAddress = $whip->getValidIpAddress())) {
$clientAddress = '127.0.0.1';
}
return apply_filters( 'wp_ulike_get_user_ip', $clientAddress );
}
}
if( ! function_exists( 'wp_ulike_validate_ip' ) ){
/**
* Ensures an ip address is both a valid IP and does not fall within a private network range.
*
* @param string $ip
* @return boolean
*/
function wp_ulike_validate_ip( $ip ) {
return filter_var( $ip, FILTER_VALIDATE_IP ) === false ? false : true;
}
}
if( ! function_exists( 'wp_ulike_generate_user_id' ) ){
/**
* Convert IP to a integer value
*
* @author Alimir
* @param String $user_ip
* @since 3.4
* @return String
*/
function wp_ulike_generate_user_id( $user_ip ) {
// set client identifier based on user ip
$client_identifier = $user_ip;
if ( wp_ulike_validate_ip( $user_ip ) ) {
if ( filter_var( $user_ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6 ) !== false ) {
// Convert IPv6 address to a standardized format
$standardized_ipv6 = inet_ntop( inet_pton( $user_ip ) );
$hash = crc32( $standardized_ipv6 );
$client_identifier = abs( $hash % 10000000000000000 ); // Ensure it's less than 16 digits
} else {
$client_identifier = ip2long( $user_ip );
}
}
return apply_filters( 'wp_ulike_generate_client_identifier', $client_identifier, $user_ip );
}
}
if( ! function_exists( 'wp_ulike_get_template_between' ) ){
/**
* Get template between
*
* @author Alimir
* @param String $string
* @param String $start
* @param String $end
* @since 2.0
* @return String
*/
function wp_ulike_get_template_between( $string, $start, $end ){
$string = " ".$string;
$ini = strpos($string,$start);
if ( $ini == 0 ){
return "";
}
$ini += strlen($start);
$len = strpos($string,$end,$ini) - $ini;
return substr( $string, $ini, $len );
}
}
if( ! function_exists( 'wp_ulike_put_template_between' ) ){
/**
* Put template between
*
* @author Alimir
* @param String $string
* @param String $inner_string
* @param String $start
* @param String $end
* @since 2.0
* @return String
*/
function wp_ulike_put_template_between( $string, $inner_string, $start, $end ){
$string = " ".$string;
$ini = strpos($string,$start);
if ($ini == 0){
return "";
}
$ini += strlen($start);
$len = strpos($string,$end,$ini) - $ini;
$newstr = substr_replace($string,$inner_string,$ini,$len);
return str_replace(
array( "%START_WHILE%", "%END_WHILE%" ),
array( "", "" ),
$newstr
);
}
}
if( ! function_exists('wp_ulike_get_period_limit_sql') ){
/**
* Get period limit as a sql string
*
* @param string|array $date_range
* @return string
*/
function wp_ulike_get_period_limit_sql( $date_range ){
global $wpdb;
$period_limit = '';
if( is_array( $date_range ) ){
if( isset( $date_range['interval_value'] ) ){
// Interval time
$unit = empty( $date_range['interval_unit'] ) ? 'DAY' : esc_sql( $date_range['interval_unit'] );
$period_limit = $wpdb->prepare(
" AND date_time >= DATE_ADD( NOW(), INTERVAL - %d {$unit})",
$date_range['interval_value']
);
} elseif( isset( $date_range['start'] ) ){
// Start/End time
if( $date_range['start'] === $date_range['end'] ){
$period_limit = $wpdb->prepare( ' AND DATE(`date_time`) = %s', $date_range['start'] );
} else {
$period_limit = $wpdb->prepare(
' AND DATE(`date_time`) >= %s AND DATE(`date_time`) <= %s',
$date_range['start'],
$date_range['end']
);
}
}
} elseif( !empty( $date_range )) {
switch ($date_range) {
case "today":
$period_limit = " AND DATE(date_time) = DATE(NOW())";
break;
case "yesterday":
$period_limit = " AND DATE(date_time) = DATE(subdate(current_date, 1))";
break;
case "week":
$period_limit = " AND week(DATE(date_time)) = week(DATE(NOW()))";
break;
case "month":
$period_limit = " AND month(DATE(date_time)) = month(DATE(NOW()))";
break;
case "year":
$period_limit = " AND year(DATE(date_time)) = year(DATE(NOW()))";
break;
}
}
return apply_filters( 'wp_ulike_period_limit_sql', $period_limit, $date_range );
}
}
if( ! function_exists('wp_ulike_get_cloudflare_ips') ){
/**
* Get cloudflare ips
*
* @return array
*/
function wp_ulike_get_cloudflare_ips(){
if (false === ($ipAddresses = get_transient('wp_ulike_cloudflare_ips'))) {
$ipAddresses = array_fill_keys(['v4', 'v6'], []);
foreach (array_keys($ipAddresses) as $version) {
$url = 'https://www.cloudflare.com/ips-'.$version;
$response = wp_remote_get($url, ['sslverify' => false]);
if (is_wp_error($response)) {
continue;
}
if ('200' != ($statusCode = wp_remote_retrieve_response_code($response))) {
continue;
}
$ipAddresses[$version] = array_filter(
(array) preg_split('/\R/', wp_remote_retrieve_body($response))
);
}
set_transient('wp_ulike_cloudflare_ips', $ipAddresses, WEEK_IN_SECONDS);
}
return $ipAddresses;
}
}
if( ! function_exists('wp_ulike_site_is_https') ){
/**
* Check if the home URL is https. If it is, we don't need to do things such as 'force ssl'.
*
* @return bool
*/
function wp_ulike_site_is_https() {
return false !== strstr( get_option( 'home' ), 'https:' );
}
}
if( ! function_exists('wp_ulike_setcookie') ){
/**
* Set a cookie - wrapper for setcookie using WP constants.
*
* @param string $name Name of the cookie being set.
* @param string $value Value of the cookie.
* @param integer $expire Expiry of the cookie.
* @param bool $secure Whether the cookie should be served only over https.
* @param bool $httponly Whether the cookie is only accessible over HTTP, not scripting languages like JavaScript. @since 3.6.0.
*/
function wp_ulike_setcookie( $name, $value, $expire = 0, $secure = false, $httponly = false ) {
if ( ! apply_filters( 'wp_ulike_set_cookie_enabled', true, $name ,$value, $expire, $secure ) ) {
return;
}
if ( ! headers_sent() ) {
$options = apply_filters(
'wp_ulike_set_cookie_options',
array(
'expires' => $expire,
'secure' => $secure,
'path' => '/',
'domain' => COOKIE_DOMAIN,
'httponly' => apply_filters( 'wp_ulike_cookie_httponly', $httponly, $name, $value, $expire, $secure ),
),
$name,
$value
);
if ( version_compare( PHP_VERSION, '7.3.0', '>=' ) ) {
setcookie( $name, $value, $options );
} else {
setcookie( $name, $value, $options['expires'], $options['path'], $options['domain'], $options['secure'], $options['httponly'] );
}
} elseif ( defined('WP_DEBUG') && WP_DEBUG ) {
headers_sent( $file, $line );
trigger_error( "{$name} cookie cannot be set - headers already sent by {$file} on line {$line}", E_USER_NOTICE ); // @codingStandardsIgnoreLine
}
}
}
if( ! function_exists('wp_ulike_maybe_define_constant') ){
/**
* Define a constant if it is not already defined.
*
* @since 3.0.0
* @param string $name Constant name.
* @param mixed $value Value.
*/
function wp_ulike_maybe_define_constant( $name, $value ) {
if ( ! defined( $name ) ) {
define( $name, $value );
}
}
}
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