<?php

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/**

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* Load Elegant Themes Core.

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*

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* @package \ET\Core

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*/

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if ( defined( 'ET_CORE' ) ) {

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// Core has already been loaded.

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return;

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}

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define( 'ET_CORE', true );

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if ( ! function_exists( '_et_core_find_latest' ) ) :

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/**

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* Find the latest version of Core currently available.

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*

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* @since 3.0.60

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*

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* @return string $core_path Absolute path to the latest version of core.

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*/

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function _et_core_find_latest( $return = 'path' ) {

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static $latest_core_path = null;

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static $latest_core_version = null;

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if ( 'path' === $return && null !== $latest_core_path ) {

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return $latest_core_path;

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}

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if ( 'version' === $return && null !== $latest_core_version ) {

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return $latest_core_version;

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}

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$this_core_path = _et_core_normalize_path( dirname( __FILE__ ) );

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$content_dir = _et_core_normalize_path( WP_CONTENT_DIR );

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include $this_core_path . '/_et_core_version.php';

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$latest_core_path = $this_core_path;

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$latest_core_version = $ET_CORE_VERSION;

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unset( $ET_CORE_VERSION );

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$version_files = array_merge(

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(array) glob( "{$content_dir}/themes/*/core/_et_core_version.php" ),

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(array) glob( "{$content_dir}/plugins/*/core/_et_core_version.php" )

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);

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foreach ( $version_files as $version_file ) {

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$version_file = _et_core_normalize_path( $version_file );

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if ( ! is_file( $version_file ) || 0 === strpos( $version_file, $this_core_path ) ) {

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continue;

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}

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include_once $version_file;

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if ( ! isset( $ET_CORE_VERSION ) ) {

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continue;

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}

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$is_greater_than = version_compare( $ET_CORE_VERSION, $latest_core_version, '>' );

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if ( $is_greater_than && _et_core_path_belongs_to_active_product( $version_file ) ) {

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$latest_core_path = _et_core_normalize_path( dirname( $version_file ) );

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$latest_core_version = $ET_CORE_VERSION;

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}

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unset( $ET_CORE_VERSION );

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}

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if ( 'version' === $return ) {

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return $latest_core_version;

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}

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return $latest_core_path;

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}

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endif;

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if ( ! function_exists( '_et_core_path_belongs_to_active_product' ) ):

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/**

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* @private

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* @internal

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*/

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function _et_core_path_belongs_to_active_product( $path ) {

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global $wp_customize;

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include_once ABSPATH . 'wp-admin/includes/plugin.php';

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$theme_dir = _et_core_normalize_path( get_template_directory() );

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// When previewing a theme the `get_template_directory()` doesn't return the directory of the previewed theme

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// since this function will be called earlier (before `WP_Customize_Manager` manipulates the active theme)

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// when loaded from plugins (e.g bloom)

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if ( is_a( $wp_customize, 'WP_Customize_Manager' ) && ! $wp_customize->is_theme_active() ) {

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$template = $wp_customize->get_template();

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$theme_root = get_theme_root( $template );

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$preview_template_directory = apply_filters( 'template_directory', "$theme_root/$template", $template, $theme_root );

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$theme_dir = _et_core_normalize_path( $preview_template_directory );

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}

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if ( 0 === strpos( $path, $theme_dir ) ) {

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return true;

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}

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if ( false !== strpos( $path, '/divi-builder/' ) ) {

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return is_plugin_active( 'divi-builder/divi-builder.php' );

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}

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if ( false !== strpos( $path, '/bloom/' ) ) {

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return is_plugin_active( 'bloom/bloom.php' );

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}

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if ( false !== strpos( $path, '/monarch/' ) ) {

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return is_plugin_active( 'monarch/monarch.php' );

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}

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return false;

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}

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endif;

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if ( ! function_exists( '_et_core_load_latest' ) ):

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function _et_core_load_latest() {

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if ( defined( 'ET_CORE_VERSION' ) ) {

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return;

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}

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$core_path = get_transient( 'et_core_path' );

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$version_file = $core_path ? file_exists( $core_path . '/_et_core_version.php' ) : false;

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$have_core_path = $core_path && $version_file && ! defined( 'ET_DEBUG' );

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if ( $have_core_path && _et_core_path_belongs_to_active_product( $core_path ) ) {

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$core_version = get_transient( 'et_core_version' );

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$core_path_changed = false;

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} else {

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$core_path = _et_core_find_latest();

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$core_version = _et_core_find_latest( 'version' );

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$core_path_changed = true;

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}

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/**

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* Overrides ET_CORE_PATH right before its loaded.

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*

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* @since 3.0.68

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*

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* @param bool|string $core_path_override The absolute path to the core that should be loaded.

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*/

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$core_path_override = apply_filters( 'et_core_path_override', false );

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if ( $core_path_override ) {

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$core_path = $core_path_override;

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} else if ( $core_path_changed ) {

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set_transient( 'et_core_path', $core_path, DAY_IN_SECONDS );

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set_transient( 'et_core_version', $core_version, DAY_IN_SECONDS );

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}

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define( 'ET_CORE_VERSION', $core_version );

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require_once $core_path . '/functions.php';

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}

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endif;

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if ( ! function_exists( '_et_core_normalize_path' ) ):

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/**

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* @private

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* @internal

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*/

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function _et_core_normalize_path( $path ) {

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return $path ? str_replace( '\\', '/', $path ) : '';

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}

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endif;

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_et_core_load_latest();

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