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<?php
/********************************************************************************
 *
 *
 * IMPORTANT NOTE
 *
 * This file uses a global namespace since we will share it on all plugins
 *
 *
 ********************************************************************************/

// Only include these methods if they are not available already
if ( ! function_exists( 'tribe_get_php_min_version' ) ) :

/**
 * Compares a given version to the required PHP version
 *
 * Normally we use Constant: PHP_VERSION
 *
 * @param string $version Which PHP version we are checking against
 *
 * @since 4.8
 *
 * @return bool
 */
function tribe_is_not_min_php_version( $version = PHP_VERSION ) {
	return version_compare( $version, tribe_get_php_min_version(), '<' );
}

/**
 * Which is our required PHP min version
 *
 * @since  4.8
 *
 * @return string
 */
function tribe_get_php_min_version() {
	return '7.4';
}

/**
 * Returns the error message when php version min doesn't check
 *
 * @since  4.8
 *
 * @return string
 */
function tribe_not_php_version_message() {
	$names = tribe_not_php_version_names();
	$count_names = count( $names );
	$last_connector = esc_html_x( ' and ', 'Plugin A "and" Plugin B', 'the-events-calendar' );
	$many_connector = esc_html_x( ', ', 'Plugin A"," Plugin B', 'the-events-calendar' );

if ( 1 === $count_names ) {
		$label_names = current( $names );
	} elseif ( 2 === $count_names ) {
		$label_names = current( $names ) . $last_connector . end( $names );
	} else {
		$last_name = array_pop( $names );
		$label_names = implode( $many_connector, $names ) . $last_connector . $last_name;
	}

return wp_kses_post( sprintf(
			_n(
				'%1$s requires PHP %2$s or higher.',
				'%1$s require PHP %2$s or higher.',
				$count_names,
				'the-events-calendar'
			),
			esc_html( $label_names ),
			tribe_get_php_min_version()
		) ) .
		' ' .
		esc_html__( 'To allow better control over dates, advanced security improvements and performance gain.', 'the-events-calendar' ) .
		' ' .
		esc_html__( 'Contact your Host or your system administrator and ask to upgrade to the latest version of PHP.', 'the-events-calendar' );
}

/**
 * Fetches the name of the plugins that are not compatible with current PHP version
 *
 * @since  4.8
 *
 * @return array
 */
function tribe_not_php_version_names() {
	/**
	 * Allow us to include more plugins without increasing the number of notices
	 *
	 * @since  4.8
	 *
	 * @param array $names Name of the plugins that are not compatible
	 */
	return apply_filters( 'tribe_not_php_version_names', [] );
}

/**
 * Echoes out the error for the PHP min version as a WordPress admin Notice
 *
 * @since 4.8
 *
 * @return void
 */
function tribe_not_php_version_notice() {
	echo '<div id="message" class="error">' . tribe_not_php_version_message() . '</div>';
}

/**
 * Loads the Text domain for non-compatible PHP versions
 *
 * @since  4.8
 *
 * @param string $domain Which domain we will try to translate to
 * @param string $file   Where to look for the lang folder
 *
 * @return void
 */
function tribe_not_php_version_textdomain( $domain, $file ) {
    load_plugin_textdomain(
		$domain,
		false,
		plugin_basename( $file ) . DIRECTORY_SEPARATOR . 'lang' . DIRECTORY_SEPARATOR
    );
}

endif;

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