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<?php
/**
* @package Freemius
* @copyright Copyright (c) 2015, Freemius, Inc.
* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
* @since 1.0.3
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! function_exists( 'fs_dummy' ) ) {
function fs_dummy() {
}
}
/* Url.
--------------------------------------------------------------------------------------------*/
if ( ! function_exists( 'fs_get_url_daily_cache_killer' ) ) {
function fs_get_url_daily_cache_killer() {
return date( '\YY\Mm\Dd' );
}
}
/* Templates / Views.
--------------------------------------------------------------------------------------------*/
if ( ! function_exists( 'fs_get_template_path' ) ) {
function fs_get_template_path( $path ) {
return WP_FS__DIR_TEMPLATES . '/' . trim( $path, '/' );
}
function fs_include_template( $path, &$params = null ) {
$VARS = &$params;
include fs_get_template_path( $path );
}
function fs_include_once_template( $path, &$params = null ) {
$VARS = &$params;
include_once fs_get_template_path( $path );
}
function fs_require_template( $path, &$params = null ) {
$VARS = &$params;
require fs_get_template_path( $path );
}
function fs_require_once_template( $path, &$params = null ) {
$VARS = &$params;
require_once fs_get_template_path( $path );
}
function fs_get_template( $path, &$params = null ) {
ob_start();
$VARS = &$params;
require fs_get_template_path( $path );
return ob_get_clean();
}
}
/* Scripts and styles including.
--------------------------------------------------------------------------------------------*/
if ( ! function_exists( 'fs_asset_url' ) ) {
/**
* Generates an absolute URL to the given path. This function ensures that the URL will be correct whether the asset
* is inside a plugin's folder or a theme's folder.
*
* Examples:
* 1. "themes" folder
* Path: C:/xampp/htdocs/fswp/wp-content/themes/twentytwelve/freemius/assets/css/admin/common.css
* URL: http://fswp:8080/wp-content/themes/twentytwelve/freemius/assets/css/admin/common.css
*
* 2. "plugins" folder
* Path: C:/xampp/htdocs/fswp/wp-content/plugins/rating-widget-premium/freemius/assets/css/admin/common.css
* URL: http://fswp:8080/wp-content/plugins/rating-widget-premium/freemius/assets/css/admin/common.css
*
* @author Leo Fajardo (@leorw)
* @since 1.2.2
*
* @param string $asset_abs_path Asset's absolute path.
*
* @return string Asset's URL.
*/
function fs_asset_url( $asset_abs_path ) {
$wp_content_dir = fs_normalize_path( WP_CONTENT_DIR );
$asset_abs_path = fs_normalize_path( $asset_abs_path );
if ( 0 === strpos( $asset_abs_path, $wp_content_dir ) ) {
// Handle both theme and plugin assets located in the standard directories.
$asset_rel_path = str_replace( $wp_content_dir, '', $asset_abs_path );
$asset_url = content_url( fs_normalize_path( $asset_rel_path ) );
} else {
$wp_plugins_dir = fs_normalize_path( WP_PLUGIN_DIR );
if ( 0 === strpos( $asset_abs_path, $wp_plugins_dir ) ) {
// Try to handle plugin assets that may be located in a non-standard plugins directory.
$asset_rel_path = str_replace( $wp_plugins_dir, '', $asset_abs_path );
$asset_url = plugins_url( fs_normalize_path( $asset_rel_path ) );
} else {
// Try to handle theme assets that may be located in a non-standard themes directory.
$active_theme_stylesheet = get_stylesheet();
$wp_themes_dir = fs_normalize_path( trailingslashit( get_theme_root( $active_theme_stylesheet ) ) );
$asset_rel_path = str_replace( $wp_themes_dir, '', fs_normalize_path( $asset_abs_path ) );
$asset_url = trailingslashit( get_theme_root_uri( $active_theme_stylesheet ) ) . fs_normalize_path( $asset_rel_path );
}
}
return $asset_url;
}
}
if ( ! function_exists( 'fs_enqueue_local_style' ) ) {
function fs_enqueue_local_style( $handle, $path, $deps = array(), $ver = false, $media = 'all' ) {
wp_enqueue_style( $handle, fs_asset_url( WP_FS__DIR_CSS . '/' . trim( $path, '/' ) ), $deps, $ver, $media );
}
}
if ( ! function_exists( 'fs_enqueue_local_script' ) ) {
function fs_enqueue_local_script( $handle, $path, $deps = array(), $ver = false, $in_footer = true ) {
wp_enqueue_script( $handle, fs_asset_url( WP_FS__DIR_JS . '/' . trim( $path, '/' ) ), $deps, $ver, $in_footer );
}
}
if ( ! function_exists( 'fs_img_url' ) ) {
function fs_img_url( $path, $img_dir = WP_FS__DIR_IMG ) {
return ( fs_asset_url( $img_dir . '/' . trim( $path, '/' ) ) );
}
}
#--------------------------------------------------------------------------------
#region Request handlers.
#--------------------------------------------------------------------------------
if ( ! function_exists( 'fs_request_get_raw' ) ) {
/**
* A helper function to fetch GET/POST user input with an optional default value when the input is not set.
* This function does not do sanitization. It is up to the caller to properly sanitize and validate the input.
*
* The return of this function is always unslashed.
*
* @since 2.5.10
*
* @param string $key
* @param mixed $def
* @param string|bool $type When set to 'get', it will look for the value passed via query string. When
* set to 'post', it will look for the value passed via the POST request's body. Otherwise,
* it will check if the parameter was passed using any of the mentioned two methods.
*
* @return mixed
*/
function fs_request_get_raw( $key, $def = false, $type = false ) {
if ( is_string( $type ) ) {
$type = strtolower( $type );
}
/**
* Note to WordPress.org reviewers:
* This is a helper function to fetch GET/POST user input with an optional default value when the input is not set. The actual sanitization is done in the scope of the function's usage.
*/
switch ( $type ) {
case 'post':
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$value = isset( $_POST[ $key ] ) ? $_POST[ $key ] : $def;
break;
case 'get':
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$value = isset( $_GET[ $key ] ) ? $_GET[ $key ] : $def;
break;
default:
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$value = isset( $_REQUEST[ $key ] ) ? $_REQUEST[ $key ] : $def;
break;
}
// Don't unslash if the value itself is empty (empty string, null, empty array etc).
return empty( $value ) ? $value : wp_unslash( $value );
}
}
if ( ! function_exists( 'fs_sanitize_input' ) ) {
/**
* Sanitizes input recursively (if an array).
*
* @param mixed $input
*
* @return mixed
* @uses sanitize_text_field()
* @since 2.5.10
*/
function fs_sanitize_input( $input ) {
if ( is_array( $input ) ) {
foreach ( $input as $key => $value ) {
$input[ $key ] = fs_sanitize_input( $value );
}
} else {
// Allow empty values to pass through as-is, like `null`, `''`, `0`, `'0'` etc.
$input = empty( $input ) ? $input : sanitize_text_field( $input );
}
return $input;
}
}
if ( ! function_exists( 'fs_request_get' ) ) {
/**
* A helper method to fetch GET/POST user input with an optional default value when the input is not set.
*
* @author Vova Feldman (@svovaf)
*
* @note The return value is always sanitized with sanitize_text_field().
*
* @param string $key
* @param mixed $def
* @param string|bool $type Since 1.2.1.7 - when set to 'get' will look for the value passed via querystring, when
* set to 'post' will look for the value passed via the POST request's body, otherwise,
* will check if the parameter was passed in any of the two.
*
*
* @return mixed
*/
function fs_request_get( $key, $def = false, $type = false ) {
return fs_sanitize_input( fs_request_get_raw( $key, $def, $type ) );
}
}
if ( ! function_exists( 'fs_request_has' ) ) {
function fs_request_has( $key ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
return isset( $_REQUEST[ $key ] );
}
}
if ( ! function_exists( 'fs_request_get_bool' ) ) {
/**
* A helper method to fetch GET/POST user boolean input with an optional default value when the input is not set.
*
* @author Vova Feldman (@svovaf)
*
* @param string $key
* @param bool $def
*
* @return bool|mixed
*/
function fs_request_get_bool( $key, $def = false ) {
$val = fs_request_get( $key, null );
if ( is_null( $val ) ) {
return $def;
}
if ( is_bool( $val ) ) {
return $val;
} else if ( is_numeric( $val ) ) {
if ( 1 == $val ) {
return true;
} else if ( 0 == $val ) {
return false;
}
} else if ( is_string( $val ) ) {
$val = strtolower( $val );
if ( 'true' === $val ) {
return true;
} else if ( 'false' === $val ) {
return false;
}
}
return $def;
}
}
if ( ! function_exists( 'fs_request_is_post' ) ) {
function fs_request_is_post() {
return ( 'post' === strtolower( $_SERVER['REQUEST_METHOD'] ) );
}
}
if ( ! function_exists( 'fs_request_is_get' ) ) {
function fs_request_is_get() {
return ( 'get' === strtolower( $_SERVER['REQUEST_METHOD'] ) );
}
}
if ( ! function_exists( 'fs_get_action' ) ) {
function fs_get_action( $action_key = 'action' ) {
// phpcs:disable WordPress.Security.NonceVerification.Recommended
if ( ! empty( $_REQUEST[ $action_key ] ) && is_string( $_REQUEST[ $action_key ] ) ) {
return strtolower( $_REQUEST[ $action_key ] );
}
if ( 'action' == $action_key ) {
$action_key = 'fs_action';
if ( ! empty( $_REQUEST[ $action_key ] ) && is_string( $_REQUEST[ $action_key ] ) ) {
return strtolower( $_REQUEST[ $action_key ] );
}
}
return false;
// phpcs:enable WordPress.Security.NonceVerification.Recommended
}
}
if ( ! function_exists( 'fs_request_is_action' ) ) {
function fs_request_is_action( $action, $action_key = 'action' ) {
return ( strtolower( $action ) === fs_get_action( $action_key ) );
}
}
if ( ! function_exists( 'fs_request_is_action_secure' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.0.0
*
* @since 1.2.1.5 Allow nonce verification.
*
* @param string $action
* @param string $action_key
* @param string $nonce_key
*
* @return bool
*/
function fs_request_is_action_secure(
$action,
$action_key = 'action',
$nonce_key = 'nonce'
) {
if ( strtolower( $action ) !== fs_get_action( $action_key ) ) {
return false;
}
$nonce = ! empty( $_REQUEST[ $nonce_key ] ) ?
$_REQUEST[ $nonce_key ] :
'';
if ( empty( $nonce ) ||
( false === wp_verify_nonce( $nonce, $action ) )
) {
return false;
}
return true;
}
}
#endregion
if ( ! function_exists( 'fs_is_plugin_page' ) ) {
function fs_is_plugin_page( $page_slug ) {
return ( is_admin() && $page_slug === fs_request_get( 'page' ) );
}
}
if ( ! function_exists( 'fs_get_raw_referer' ) ) {
/**
* Retrieves unvalidated referer from '_wp_http_referer' or HTTP referer.
*
* Do not use for redirects, use {@see wp_get_referer()} instead.
*
* @since 1.2.3
*
* @return string|false Referer URL on success, false on failure.
*/
function fs_get_raw_referer() {
if ( function_exists( 'wp_get_raw_referer' ) ) {
return wp_get_raw_referer();
}
if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
return wp_unslash( $_REQUEST['_wp_http_referer'] );
} else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
return wp_unslash( $_SERVER['HTTP_REFERER'] );
}
return false;
}
}
/* Core UI.
--------------------------------------------------------------------------------------------*/
if ( ! function_exists( 'fs_ui_action_button' ) ) {
/**
* @param number $module_id
* @param string $page
* @param string $action
* @param string $title
* @param string $button_class
* @param array $params
* @param bool $is_primary
* @param bool $is_small
* @param string|bool $icon_class Optional class for an icon (since 1.1.7).
* @param string|bool $confirmation Optional confirmation message before submit (since 1.1.7).
* @param string $method Since 1.1.7
*
* @uses fs_ui_get_action_button()
*/
function fs_ui_action_button(
$module_id,
$page,
$action,
$title,
$button_class = '',
$params = array(),
$is_primary = true,
$is_small = false,
$icon_class = false,
$confirmation = false,
$method = 'GET'
) {
echo fs_ui_get_action_button(
$module_id,
$page,
$action,
$title,
$button_class,
$params,
$is_primary,
$is_small,
$icon_class,
$confirmation,
$method
);
}
}
if ( ! function_exists( 'fs_ui_get_action_button' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.1.7
*
* @param number $module_id
* @param string $page
* @param string $action
* @param string $title
* @param string $button_class
* @param array $params
* @param bool $is_primary
* @param bool $is_small
* @param string|bool $icon_class Optional class for an icon.
* @param string|bool $confirmation Optional confirmation message before submit.
* @param string $method
*
* @return string
*/
function fs_ui_get_action_button(
$module_id,
$page,
$action,
$title,
$button_class = '',
$params = array(),
$is_primary = true,
$is_small = false,
$icon_class = false,
$confirmation = false,
$method = 'GET'
) {
// Prepend icon (if set).
$title = ( is_string( $icon_class ) ? '<i class="' . $icon_class . '"></i> ' : '' ) . $title;
if ( is_string( $confirmation ) ) {
return sprintf( '<form action="%s" method="%s"><input type="hidden" name="fs_action" value="%s">%s<a href="#" class="%s" onclick="if (confirm(\'%s\')) this.parentNode.submit(); return false;">%s</a></form>',
freemius( $module_id )->_get_admin_page_url( $page, $params ),
$method,
$action,
wp_nonce_field( $action, '_wpnonce', true, false ),
'button' . ( ! empty( $button_class ) ? ' ' . $button_class : '' ) . ( $is_primary ? ' button-primary' : '' ) . ( $is_small ? ' button-small' : '' ),
$confirmation,
$title
);
} else if ( 'GET' !== strtoupper( $method ) ) {
return sprintf( '<form action="%s" method="%s"><input type="hidden" name="fs_action" value="%s">%s<a href="#" class="%s" onclick="this.parentNode.submit(); return false;">%s</a></form>',
freemius( $module_id )->_get_admin_page_url( $page, $params ),
$method,
$action,
wp_nonce_field( $action, '_wpnonce', true, false ),
'button' . ( ! empty( $button_class ) ? ' ' . $button_class : '' ) . ( $is_primary ? ' button-primary' : '' ) . ( $is_small ? ' button-small' : '' ),
$title
);
} else {
return sprintf( '<a href="%s" class="%s">%s</a></form>',
wp_nonce_url( freemius( $module_id )->_get_admin_page_url( $page, array_merge( $params, array( 'fs_action' => $action ) ) ), $action ),
'button' . ( ! empty( $button_class ) ? ' ' . $button_class : '' ) . ( $is_primary ? ' button-primary' : '' ) . ( $is_small ? ' button-small' : '' ),
$title
);
}
}
function fs_ui_action_link( $module_id, $page, $action, $title, $params = array() ) {
?><a class=""
href="<?php echo wp_nonce_url( freemius( $module_id )->_get_admin_page_url( $page, array_merge( $params, array( 'fs_action' => $action ) ) ), $action ) ?>"><?php echo $title ?></a><?php
}
}
if ( ! function_exists( 'fs_get_entity' ) ) {
/**
* @author Leo Fajardo (@leorw)
* @since 2.3.1
*
* @param mixed $entity
* @param string $class
*
* @return FS_Plugin|FS_User|FS_Site|FS_Plugin_License|FS_Plugin_Plan|FS_Plugin_Tag|FS_Subscription
*/
function fs_get_entity( $entity, $class ) {
if ( ! is_object( $entity ) || $entity instanceof $class ) {
return $entity;
}
return new $class( $entity );
}
}
if ( ! function_exists( 'fs_get_entities' ) ) {
/**
* @author Leo Fajardo (@leorw)
* @since 2.3.1
*
* @param mixed $entities
* @param string $class_name
*
* @return FS_Plugin[]|FS_User[]|FS_Site[]|FS_Plugin_License[]|FS_Plugin_Plan[]|FS_Plugin_Tag[]|FS_Subscription[]
*/
function fs_get_entities( $entities, $class_name ) {
if ( ! is_array( $entities ) || empty( $entities ) ) {
return $entities;
}
// Get first element.
$first_array_element = reset( $entities );
if ( $first_array_element instanceof $class_name ) {
/**
* If the first element of the array is an instance of the context class, assume that all other
* elements are instances of the class.
*/
return $entities;
}
if (
is_array( $first_array_element ) &&
! empty( $first_array_element )
) {
$first_array_element = reset( $first_array_element );
if ( $first_array_element instanceof $class_name ) {
/**
* If the first element of the `$entities` array is an array whose first element is an instance of the
* context class, assume that all other objects are instances of the class.
*/
return $entities;
}
}
foreach ( $entities as $key => $entities_or_entity ) {
if ( is_array( $entities_or_entity ) ) {
$entities[ $key ] = fs_get_entities( $entities_or_entity, $class_name );
} else {
$entities[ $key ] = fs_get_entity( $entities_or_entity, $class_name );
}
}
return $entities;
}
}
if ( ! function_exists( 'fs_nonce_url' ) ) {
/**
* Retrieve URL with nonce added to URL query.
*
* Originally was using `wp_nonce_url()` but the new version
* changed the return value to escaped URL, that's not the expected
* behaviour.
*
* @author Vova Feldman (@svovaf)
* @since ~1.1.3
*
* @param string $actionurl URL to add nonce action.
* @param int|string $action Optional. Nonce action name. Default -1.
* @param string $name Optional. Nonce name. Default '_wpnonce'.
*
* @return string Escaped URL with nonce action added.
*/
function fs_nonce_url( $actionurl, $action = - 1, $name = '_wpnonce' ) {
return add_query_arg( $name, wp_create_nonce( $action ), $actionurl );
}
}
if ( ! function_exists( 'fs_parse_url_params' ) ) {
/**
* Returns the query parameters of the given URL if there are any.
*
* @param string $url
* @param bool $html_entity_decode
*
* @return array<string, string> Key value pair where key represents the parameter name and value represents the parameter value.
*/
function fs_parse_url_params( $url, $html_entity_decode = false ) {
$query_str = parse_url( $url, PHP_URL_QUERY );
$url_params = array();
if ( empty( $query_str ) ) {
return $url_params;
}
if ( $html_entity_decode ) {
$query_str = html_entity_decode( $query_str );
}
parse_str( $query_str, $url_params );
return $url_params;
}
}
if ( ! function_exists( 'fs_starts_with' ) ) {
/**
* Check if string starts with.
*
* @author Vova Feldman (@svovaf)
* @since 1.1.3
*
* @param string $haystack
* @param string $needle
*
* @return bool
*/
function fs_starts_with( $haystack, $needle ) {
$length = strlen( $needle );
return ( substr( $haystack, 0, $length ) === $needle );
}
}
if ( ! function_exists( 'fs_ends_with' ) ) {
/**
* Check if string ends with.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param string $haystack
* @param string $needle
*
* @return bool
*/
function fs_ends_with( $haystack, $needle ) {
$length = strlen( $needle );
$start = $length * - 1; // negative
return ( substr( $haystack, $start ) === $needle );
}
}
if ( ! function_exists( 'fs_strip_url_protocol' ) ) {
function fs_strip_url_protocol( $url ) {
if ( ! fs_starts_with( $url, 'http' ) ) {
return $url;
}
$protocol_pos = strpos( $url, '://' );
if ( $protocol_pos > 5 ) {
return $url;
}
return substr( $url, $protocol_pos + 3 );
}
}
#region Url Canonization ------------------------------------------------------------------
if ( ! function_exists( 'fs_canonize_url' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.1.3
*
* @param string $url
* @param bool $omit_host
* @param array $ignore_params
*
* @return string
*/
function fs_canonize_url( $url, $omit_host = false, $ignore_params = array() ) {
$parsed_url = parse_url( strtolower( $url ) );
// if ( ! isset( $parsed_url['host'] ) ) {
// return $url;
// }
$canonical = ( ( $omit_host || ! isset( $parsed_url['host'] ) ) ? '' : $parsed_url['host'] ) . $parsed_url['path'];
if ( isset( $parsed_url['query'] ) ) {
parse_str( $parsed_url['query'], $queryString );
$canonical .= '?' . fs_canonize_query_string( $queryString, $ignore_params );
}
return $canonical;
}
}
if ( ! function_exists( 'fs_canonize_query_string' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.1.3
*
* @param array $params
* @param array $ignore_params
* @param bool $params_prefix
*
* @return string
*/
function fs_canonize_query_string( array $params, array &$ignore_params, $params_prefix = false ) {
if ( ! is_array( $params ) || 0 === count( $params ) ) {
return '';
}
// Url encode both keys and values
$keys = fs_urlencode_rfc3986( array_keys( $params ) );
$values = fs_urlencode_rfc3986( array_values( $params ) );
$params = array_combine( $keys, $values );
// Parameters are sorted by name, using lexicographical byte value ordering.
// Ref: Spec: 9.1.1 (1)
uksort( $params, 'strcmp' );
$pairs = array();
foreach ( $params as $parameter => $value ) {
$lower_param = strtolower( $parameter );
// Skip ignore params.
if ( in_array( $lower_param, $ignore_params ) ||
( false !== $params_prefix && fs_starts_with( $lower_param, $params_prefix ) )
) {
continue;
}
if ( is_array( $value ) ) {
// If two or more parameters share the same name, they are sorted by their value
// Ref: Spec: 9.1.1 (1)
natsort( $value );
foreach ( $value as $duplicate_value ) {
$pairs[] = $lower_param . '=' . $duplicate_value;
}
} else {
$pairs[] = $lower_param . '=' . $value;
}
}
if ( 0 === count( $pairs ) ) {
return '';
}
return implode( "&", $pairs );
}
}
if ( ! function_exists( 'fs_urlencode_rfc3986' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.1.3
*
* @param string|string[] $input
*
* @return array|mixed|string
*/
function fs_urlencode_rfc3986( $input ) {
if ( is_array( $input ) ) {
return array_map( 'fs_urlencode_rfc3986', $input );
} else if ( is_scalar( $input ) ) {
return str_replace( '+', ' ', str_replace( '%7E', '~', rawurlencode( $input ) ) );
}
return '';
}
}
#endregion Url Canonization ------------------------------------------------------------------
if ( ! function_exists( 'fs_download_image' ) ) {
/**
* @author Vova Feldman (@svovaf)
*
* @since 1.2.2 Changed to usage of WP_Filesystem_Direct.
*
* @param string $from URL
* @param string $to File path.
*
* @return bool Is successfully downloaded.
*/
function fs_download_image( $from, $to ) {
$dir = dirname( $to );
if ( 'direct' !== get_filesystem_method( array(), $dir ) ) {
return false;
}
if ( ! class_exists( 'WP_Filesystem_Direct' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
}
$fs = new WP_Filesystem_Direct( '' );
$tmpfile = download_url( $from );
if ( $tmpfile instanceof WP_Error ) {
// Issue downloading the file.
return false;
}
$fs->copy( $tmpfile, $to );
$fs->delete( $tmpfile );
return true;
}
}
/* General Utilities
--------------------------------------------------------------------------------------------*/
if ( ! function_exists( 'fs_sort_by_priority' ) ) {
/**
* Sorts an array by the value of the priority key.
*
* @author Daniel Iser (@danieliser)
* @since 1.1.7
*
* @param $a
* @param $b
*
* @return int
*/
function fs_sort_by_priority( $a, $b ) {
// If b has a priority and a does not, b wins.
if ( ! isset( $a['priority'] ) && isset( $b['priority'] ) ) {
return 1;
} // If b has a priority and a does not, b wins.
elseif ( isset( $a['priority'] ) && ! isset( $b['priority'] ) ) {
return - 1;
} // If neither has a priority or both priorities are equal it's a tie.
elseif ( ( ! isset( $a['priority'] ) && ! isset( $b['priority'] ) ) || $a['priority'] === $b['priority'] ) {
return 0;
}
// If both have priority return the winner.
return ( $a['priority'] < $b['priority'] ) ? - 1 : 1;
}
}
#--------------------------------------------------------------------------------
#region Localization
#--------------------------------------------------------------------------------
global $fs_text_overrides;
if ( ! isset( $fs_text_overrides ) ) {
$fs_text_overrides = array();
}
if ( ! function_exists( 'fs_text' ) ) {
/**
* Retrieve a translated text by key.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.1.7
*
* @param string $key
* @param string $slug
*
* @return string
*
* @global $fs_text_overrides
*/
function fs_text( $key, $slug = 'freemius' ) {
global $fs_text_overrides;
if ( isset( $fs_text_overrides[ $slug ] ) ) {
if ( isset( $fs_text_overrides[ $slug ][ $key ] ) ) {
return $fs_text_overrides[ $slug ][ $key ];
}
$lower_key = strtolower( $key );
if ( isset( $fs_text_overrides[ $slug ][ $lower_key ] ) ) {
return $fs_text_overrides[ $slug ][ $lower_key ];
}
}
return $key;
}
#region Private
/**
* Retrieve an inline translated text by key with a context.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*
* @global $fs_text_overrides
*/
function _fs_text_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
list( $text, $text_domain ) = fs_text_and_domain( $text, $key, $slug );
// Avoid misleading Theme Check warning.
$fn = 'translate_with_gettext_context';
return $fn( $text, $context, $text_domain );
}
#endregion
/**
* Retrieve an inline translated text by key with a context.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*
* @global $fs_text_overrides
*/
function fs_text_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
return _fs_text_x_inline( $text, $context, $key, $slug );
}
/**
* Output a translated text by key.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.1.7
*
* @param string $key
* @param string $slug
*/
function fs_echo( $key, $slug = 'freemius' ) {
echo fs_text( $key, $slug );
}
/**
* Output an inline translated text.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_echo_inline( $text, $key = '', $slug = 'freemius' ) {
echo _fs_text_inline( $text, $key, $slug );
}
/**
* Output an inline translated text with a context.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_echo_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
echo _fs_text_x_inline( $text, $context, $key, $slug );
}
}
if ( ! function_exists( 'fs_text_override' ) ) {
/**
* Get a translatable text override if exists, or `false`.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.1.7
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string|false
*/
function fs_text_override( $text, $key, $slug ) {
global $fs_text_overrides;
/**
* Check if string is overridden.
*/
if ( ! isset( $fs_text_overrides[ $slug ] ) ) {
return false;
}
if ( empty( $key ) ) {
$key = strtolower( str_replace( ' ', '-', $text ) );
}
if ( isset( $fs_text_overrides[ $slug ][ $key ] ) ) {
return $fs_text_overrides[ $slug ][ $key ];
}
$lower_key = strtolower( $key );
if ( isset( $fs_text_overrides[ $slug ][ $lower_key ] ) ) {
return $fs_text_overrides[ $slug ][ $lower_key ];
}
return false;
}
}
if ( ! function_exists( 'fs_text_and_domain' ) ) {
/**
* Get a translatable text and its text domain.
*
* When the text is overridden by the module, returns the overridden text and the text domain of the module. Otherwise, returns the original text and 'freemius' as the text domain.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.1.7
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string[]
*/
function fs_text_and_domain( $text, $key, $slug ) {
$override = fs_text_override( $text, $key, $slug );
if ( false === $override ) {
// No override, use FS text domain.
$text_domain = 'freemius';
} else {
// Found an override.
$text = $override;
// Use the module's text domain.
$text_domain = $slug;
}
return array( $text, $text_domain );
}
}
if ( ! function_exists( '_fs_text_inline' ) ) {
/**
* Retrieve an inline translated text by key.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*
* @global $fs_text_overrides
*/
function _fs_text_inline( $text, $key = '', $slug = 'freemius' ) {
list( $text, $text_domain ) = fs_text_and_domain( $text, $key, $slug );
// Avoid misleading Theme Check warning.
$fn = 'translate';
return $fn( $text, $text_domain );
}
}
if ( ! function_exists( 'fs_text_inline' ) ) {
/**
* Retrieve an inline translated text by key.
*
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*
* @global $fs_text_overrides
*/
function fs_text_inline( $text, $key = '', $slug = 'freemius' ) {
return _fs_text_inline( $text, $key, $slug );
}
}
if ( ! function_exists( 'fs_esc_attr' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*
* @return string
*/
function fs_esc_attr( $key, $slug ) {
return esc_attr( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_attr_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_attr_inline( $text, $key = '', $slug = 'freemius' ) {
return esc_attr( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_attr_x_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_attr_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
return esc_attr( _fs_text_x_inline( $text, $context, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_attr_echo' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*/
function fs_esc_attr_echo( $key, $slug ) {
echo esc_attr( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_attr_echo_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_esc_attr_echo_inline( $text, $key = '', $slug = 'freemius' ) {
echo esc_attr( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*
* @return string
*/
function fs_esc_js( $key, $slug ) {
return esc_js( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_js_inline( $text, $key = '', $slug = 'freemius' ) {
return esc_js( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js_x_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_js_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
return esc_js( _fs_text_x_inline( $text, $context, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js_echo_x_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return void
*/
function fs_esc_js_echo_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
echo esc_js( _fs_text_x_inline( $text, $context, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js_echo' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*/
function fs_esc_js_echo( $key, $slug ) {
echo esc_js( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_js_echo_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_esc_js_echo_inline( $text, $key = '', $slug = 'freemius' ) {
echo esc_js( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_json_encode_echo' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*/
function fs_json_encode_echo( $key, $slug ) {
echo json_encode( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_json_encode_echo_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_json_encode_echo_inline( $text, $key = '', $slug = 'freemius' ) {
echo json_encode( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*
* @return string
*/
function fs_esc_html( $key, $slug ) {
return esc_html( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_html_inline( $text, $key = '', $slug = 'freemius' ) {
return esc_html( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html_x_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*
* @return string
*/
function fs_esc_html_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
return esc_html( _fs_text_x_inline( $text, $context, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html_echo_x_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $context Context information for the translators.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_esc_html_echo_x_inline( $text, $context, $key = '', $slug = 'freemius' ) {
echo esc_html( _fs_text_x_inline( $text, $context, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html_echo' ) ) {
/**
* @author Vova Feldman
* @since 1.2.1.6
*
* @param string $key
* @param string $slug
*/
function fs_esc_html_echo( $key, $slug ) {
echo esc_html( fs_text( $key, $slug ) );
}
}
if ( ! function_exists( 'fs_esc_html_echo_inline' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 1.2.3
*
* @param string $text Translatable string.
* @param string $key String key for overrides.
* @param string $slug Module slug for overrides.
*/
function fs_esc_html_echo_inline( $text, $key = '', $slug = 'freemius' ) {
echo esc_html( _fs_text_inline( $text, $key, $slug ) );
}
}
if ( ! function_exists( 'fs_override_i18n' ) ) {
/**
* Override default i18n text phrases.
*
* @author Vova Feldman (@svovaf)
* @since 1.1.6
*
* @param array[string]string $key_value
* @param string $slug
*
* @global $fs_text_overrides
*/
function fs_override_i18n( array $key_value, $slug = 'freemius' ) {
global $fs_text_overrides;
if ( ! isset( $fs_text_overrides[ $slug ] ) ) {
$fs_text_overrides[ $slug ] = array();
}
foreach ( $key_value as $key => $value ) {
$fs_text_overrides[ $slug ][ $key ] = $value;
}
}
}
#endregion
#--------------------------------------------------------------------------------
#region Multisite Network
#--------------------------------------------------------------------------------
if ( ! function_exists( 'fs_is_plugin_uninstall' ) ) {
/**
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*/
function fs_is_plugin_uninstall() {
return (
defined( 'WP_UNINSTALL_PLUGIN' ) ||
( 0 < did_action( 'pre_uninstall_plugin' ) )
);
}
}
if ( ! function_exists( 'fs_is_network_admin' ) ) {
/**
* Unlike is_network_admin(), this one will also work properly when
* the context execution is WP AJAX handler, and during plugin
* uninstall.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*/
function fs_is_network_admin() {
return (
WP_FS__IS_NETWORK_ADMIN ||
( is_multisite() && fs_is_plugin_uninstall() )
);
}
}
if ( ! function_exists( 'fs_is_blog_admin' ) ) {
/**
* Unlike is_blog_admin(), this one will also work properly when
* the context execution is WP AJAX handler, and during plugin
* uninstall.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*/
function fs_is_blog_admin() {
return (
WP_FS__IS_BLOG_ADMIN ||
( ! is_multisite() && fs_is_plugin_uninstall() )
);
}
}
#endregion
if ( ! function_exists( 'fs_apply_filter' ) ) {
/**
* Apply filter for specific plugin.
*
* @author Vova Feldman (@svovaf)
* @since 1.0.9
*
* @param string $module_unique_affix Module's unique affix.
* @param string $tag The name of the filter hook.
* @param mixed $value The value on which the filters hooked to `$tag` are applied on.
*
* @return mixed The filtered value after all hooked functions are applied to it.
*
* @uses apply_filters()
*/
function fs_apply_filter( $module_unique_affix, $tag, $value ) {
$args = func_get_args();
return call_user_func_array( 'apply_filters', array_merge(
array( "fs_{$tag}_{$module_unique_affix}" ),
array_slice( $args, 2 ) )
);
}
}
if ( ! function_exists( 'fs_get_optional_constant' ) ) {
/**
* Gets the value of an optional constant. If the constant is not defined, the default value will be returned.
*
* @author Swashata Ghosh (@swashata)
* @since 2.5.12.5
*
* @param string $constant_name
* @param mixed $default_value
*
* @return mixed
*/
function fs_get_optional_constant( $constant_name, $default_value = null ) {
return defined( $constant_name ) ? constant( $constant_name ) : $default_value;
}
}