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<?php //Contains assorted functions and utilities for themes.
//Calculate sidebar class to load
function cpotheme_get_sidebar_position() {
$current_id = cpotheme_current_id();
if ( is_home() ) {
$sidebar_layout = 'right';
} elseif ( is_tax() || is_category() || is_tag() ) {
$sidebar_layout = cpotheme_tax_meta( $current_id, 'layout_sidebar' );
} else {
$sidebar_layout = get_post_meta( $current_id, 'layout_sidebar', true );
}
if ( '' == $sidebar_layout ) {
$sidebar_layout = 'right';
}
return $sidebar_layout;
}
//Abstracted function for retrieving specific options inside option arrays
if ( ! function_exists( 'cpotheme_get_option' ) ) {
function cpotheme_get_option( $option_name = '', $option_array = 'cpotheme_settings' ) {
$option_value = '';
//Check against option array and see if it is multilingual
$options = cpotheme_metadata_customizer();
if ( isset( $options[ $option_name ]['multilingual'] ) && true == $options[ $option_name ]['multilingual'] ) {
//Determines whether to grab current language, or original language's option
$option_array = $option_array . cpotheme_wpml_current_language();
}
//If options exists and is not empty, get value
$option_list = get_option( $option_array, false );
if ( $option_list && isset( $option_list[ $option_name ] ) && ( true === is_bool( $option_list[ $option_name ] ) || '' !== $option_list[ $option_name ] ) ) {
$option_value = $option_list[ $option_name ];
}
//If option is empty, check whether it needs a default value
if ( '' === $option_value || ! isset( $option_list[ $option_name ] ) ) {
$options = cpotheme_metadata_customizer();
//If option cannot be empty, use default value
if ( ! isset( $options[ $option_name ]['empty'] ) ) {
if ( isset( $options[ $option_name ]['default'] ) ) {
$option_value = $options[ $option_name ]['default'];
}
//If it can be empty but not set, use default value
} elseif ( ! isset( $option_list[ $option_name ] ) ) {
if ( isset( $options[ $option_name ]['default'] ) ) {
$option_value = $options[ $option_name ]['default'];
}
}
}
return $option_value;
}
}
//Abstracted function for updating specific options inside arrays
if ( ! function_exists( 'cpotheme_update_option' ) ) {
function cpotheme_update_option( $option_name, $option_value, $option_array = 'cpotheme_settings' ) {
//Check against option array and see if it is multilingual
$options = cpotheme_metadata_customizer();
if ( isset( $options[ $option_name ]['multilingual'] ) && true == $options[ $option_name ]['multilingual'] ) {
//Determines whether to grab current language, or original language's option
$option_array = $option_array . cpotheme_wpml_current_language();
}
$option_list = get_option( $option_array, false );
if ( ! $option_list ) {
$option_list = array();
}
$option_list[ $option_name ] = $option_value;
if ( update_option( $option_array, $option_list ) ) {
return true;
} else {
return false;
}
}
}
//Returns the current language's code in the event that WPML is active
if ( ! function_exists( 'cpotheme_wpml_current_language' ) ) {
function cpotheme_wpml_current_language() {
$language_code = '';
if ( cpotheme_wpml_active() ) {
$default_language = cpotheme_wpml_default_language();
$active_language = ICL_LANGUAGE_CODE;
if ( $active_language != $default_language ) {
$language_code = '_' . $active_language;
}
} elseif ( function_exists( 'pll_current_language' ) && function_exists( 'pll_default_language' ) ) {
$default_language = pll_default_language();
$active_language = pll_current_language();
if ( $active_language != $default_language ) {
$language_code = '_' . $active_language;
}
}
return $language_code;
}
}
//Check if WPML is active
if ( ! function_exists( 'cpotheme_wpml_active' ) ) {
function cpotheme_wpml_active() {
if ( defined( 'ICL_LANGUAGE_CODE' ) && defined( 'ICL_SITEPRESS_VERSION' ) ) {
return true;
} else {
return false;
}
}
}
//Retrieve languages from WPML
if ( ! function_exists( 'cpotheme_wpml_languages' ) ) {
function cpotheme_wpml_languages() {
if ( cpotheme_wpml_active() ) {
global $sitepress;
return $sitepress->get_active_languages();
}
}
}
//Retrieve default WPML language
if ( ! function_exists( 'cpotheme_wpml_default_language' ) ) {
function cpotheme_wpml_default_language() {
if ( cpotheme_wpml_active() ) {
global $sitepress;
return $sitepress->get_default_language();
}
}
}
//Searches for a link inside a string. Used for post formats
if ( ! function_exists( 'cpotheme_find_link' ) ) {
function cpotheme_find_link( $content, $fallback ) {
$link_url = '';
$link_pattern = '/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/';
$post_content = $content;
if ( preg_match( $link_pattern, $post_content, $link_url ) ) {
return $link_url[0];
} else {
return $fallback;
}
}
}
//Retrieve page number for the current post or page
if ( ! function_exists( 'cpotheme_current_page' ) ) {
function cpotheme_current_page() {
$current_page = 1;
if ( is_front_page() ) {
if ( get_query_var( 'page' ) ) {
$current_page = get_query_var( 'page' );
} else {
$current_page = 1;
}
} else {
if ( get_query_var( 'paged' ) ) {
$current_page = get_query_var( 'paged' );
} else {
$current_page = 1;
}
}
return $current_page;
}
}
//Retrieve current post or taxonomy id
if ( ! function_exists( 'cpotheme_current_id' ) ) {
function cpotheme_current_id() {
$current_id = false;
if ( is_tax() || is_category() || is_tag() ) {
$current_id = get_queried_object()->term_id;
} else {
global $post;
if ( isset( $post->ID ) ) {
$current_id = $post->ID;
} else {
$current_id = false;
}
}
return $current_id;
}
}
//Return true if posts should be displayed on homepage
function cpotheme_show_posts() {
$display = false;
if ( ! is_front_page() || cpotheme_get_option( 'home_posts' ) === true ) {
$display = true;
}
return $display;
}
//Return true if page title should be displayed
function cpotheme_show_title() {
$display = false;
if ( ! is_front_page() && ! is_home() ) {
$display = true;
}
return $display;
}
//Flush rewrite rules on theme activation
add_action( 'after_switch_theme', 'cpotheme_rewrite_flush' );
function cpotheme_rewrite_flush() {
flush_rewrite_rules();
}
//Sanitize boolean values
function cpotheme_sanitize_bool( $data ) {
if ( true === $data ) {
return true;
}
return false;
}
//Return the URL to the premium theme page
function cpotheme_upgrade_link( $name = 'Customizer' ) {
$url = esc_url_raw( CPOTHEME_PREMIUM_URL . '?utm_source=allegiant&utm_medium=customizer&utm_campaign=upsell' );
$link = '<a target="_blank" href="' . $url . '">' . esc_attr( CPOTHEME_PREMIUM_NAME ) . '</a>';
return $url;
}