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<?php

/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Internals
 */

if ( ! defined( 'WPSEO_VERSION' ) ) {
  header( 'Status: 403 Forbidden' );
  header( 'HTTP/1.1 403 Forbidden' );
  exit();
}

if ( ! function_exists( 'initialize_wpseo_front' ) ) {
/* function initialize_wpseo_front() – Wraps frontend class. */
}

if ( ! function_exists( 'yoast_breadcrumb' ) ) {
/* function yoast_breadcrumb() – Template tag for breadcrumbs. */
}

if ( ! function_exists( 'yoast_get_primary_term_id' ) ) {
/* function yoast_get_primary_term_id() – Get the primary term ID. */
}

if ( ! function_exists( 'yoast_get_primary_term' ) ) {
/* function yoast_get_primary_term() – Get the primary term name. */
}

/* function wpseo_replace_vars() – Replace `%%variable_placeholders%%` with their real value based on the current requested page/post/cpt. */

/* function wpseo_register_var_replacement() – Register a new variable replacement. */

/* function wpseo_wpml_config() – WPML plugin support: Set titles for custom types / taxonomies as translatable. */

add_filter( 'icl_wpml_config_array', 'wpseo_wpml_config' );

/* function wpseo_shortcode_yoast_breadcrumb() – Yoast SEO breadcrumb shortcode. */

add_shortcode( 'wpseo_breadcrumb', 'wpseo_shortcode_yoast_breadcrumb' );


/**
 * Emulate PHP native ctype_digit() function for when the ctype extension would be disabled *sigh*.
 * Only emulates the behaviour for when the input is a string, does not handle integer input as ascii value.
 *
 * @param    string $string
 *
 * @return    bool
 */
if ( ! extension_loaded( 'ctype' ) || ! function_exists( 'ctype_digit' ) ) {

/* function ctype_digit() – */
}

/* function wpseo_split_shared_term() – Makes sure the taxonomy meta is updated when a taxonomy term is split. */

add_action( 'split_shared_term', 'wpseo_split_shared_term', 10, 4 );

/* function wpseo_get_capabilities() – Get all WPSEO related capabilities. */
 

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