Current File : /home/tradesc/www/relax/wp-content/plugins/Ereferer/lib/titan-framework/titan-framework-checker.php
<?php
/**
* This script is not used within Titan Framework itself.
*
* This script is meant to be used with your Titan Framework-dependent theme or plugin,
* so that your theme/plugin can verify whether the framework is installed.
*
* If Titan is not installed, then the script will display a notice with a link to
* Titan. If Titan is installed but not activated, it will display the appropriate notice as well.
*
* To use this script, just copy it into your theme/plugin directory then add this in the main file of your project:
*
* require_once( 'titan-framework-checker.php' );
*
* Changelog:
* v1.9
* * Simplified class
* v1.7.4
* * Now integrates with TGM Plugin Activation - uses TGM instead of displaying
* our own admin notice
* v1.7.7
* * Added filters to notices
*
* @package Titan Framework
*/
if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly.
}
if ( ! class_exists( 'TitanFrameworkChecker' ) ) {
/**
* Titan Framework Checker.
*
* @since 1.6
*/
class TitanFrameworkChecker {
const SEARCH_REGEX = '/titan-framework.php/i';
const TITAN_CLASS = 'TitanFramework';
const PLUGIN_SLUG = 'titan-framework';
/**
* Constructor, add hooks for checking for Titan Framework.
*
* @since 1.6
*/
function __construct() {
add_action( 'admin_notices', array( $this, 'display_install_or_active_notice' ), 2 );
add_action( 'tgmpa_register', array( $this, 'tgm_plugin_activation_include' ) );
}
/**
* Checks the existence of Titan Framework and prompts the display of a notice.
*
* @since 1.6
*/
public function display_install_or_active_notice() {
// Check for TGM use, if used, let TGM do the notice.
// We do this here since perform_check() is too early.
if ( function_exists( 'tgmpa' ) ) {
return;
}
// If the plugin does not exist, throw admin notice to install.
if ( ! $this->plugin_exists() ) {
echo "<div class='error'><p><strong>"
. esc_html( apply_filters( 'titan_checker_installation_notice', __( 'Titan Framework needs to be installed.', 'default' ) ) )
. sprintf( " <a href='%s'>%s</a>",
esc_url( admin_url( 'plugin-install.php?tab=search&type=term&s=titan+framework' ) ),
esc_html( apply_filters( 'titan_checker_search_plugin_notice', __( 'Click here to search for the plugin.', 'default' ) ) )
)
. '</strong></p></div>';
// If the class doesn't exist, the plugin is inactive. Throw admin notice to activate plugin.
} else if ( ! class_exists( apply_filters( 'tf_framework_checker_titan_class', self::TITAN_CLASS ) ) ) {
echo "<div class='error'><p><strong>"
. esc_html( apply_filters( 'titan_checker_activation_notice', __( 'Titan Framework needs to be activated.', 'default' ) ) )
. sprintf( " <a href='%s'>%s</a>",
esc_url( admin_url( 'plugins.php' ) ),
esc_html( apply_filters( 'titan_checker_activate_plugin_notice', __( 'Click here to go to the plugins page and activate it.', 'default' ) ) )
)
. '</strong></p></div>';
}
}
/**
* Checks the existence of Titan Framework in the list of plugins.
* It uses the slug path of the plugin for checking.
*
* @since 1.6
*
* @return boolean True if Titan Framework is installed (even if not activated).
*/
public function plugin_exists() {
// Required function as it is only loaded in admin pages.
require_once ABSPATH . 'wp-admin/includes/plugin.php';
// Get all plugins, activated or not.
$plugins = get_plugins();
// Check plugin existence by checking if the name is registered as an array key. get_plugins collects all plugin path into arrays.
foreach ( $plugins as $slug => $plugin ) {
$search_regex = apply_filters( 'tf_framework_checker_regex', self::SEARCH_REGEX );
if ( preg_match( $search_regex, $slug, $matches ) ) {
return true;
}
}
return false;
}
/**
* Includes Titan Framework in TGM Plugin Activation if it's available.
*
* @since 1.7.4
*
* @return void
*
* @see http://tgmpluginactivation.com/
*
* @codeCoverageIgnore
*/
public function tgm_plugin_activation_include() {
if ( function_exists( 'tgmpa' ) ) {
tgmpa( array(
array(
'name' => 'Titan Framework',
'slug' => self::PLUGIN_SLUG,
'required' => true,
),
) );
}
}
}
new TitanFrameworkChecker();
}
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