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<?php
/**
* TablePress Formula Evaluation Class
*
* @package TablePress
* @subpackage Formulas
* @author Tobias Bäthge
* @since 1.5.0
*/
// Prohibit direct script loading.
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
/**
* TablePress Formula Evaluation Class
*
* Before TablePress 1.5, this was part of the TablePress_Render class.
*
* @package TablePress
* @subpackage Formulas
* @author Tobias Bäthge
* @since 1.5.0
*/
class TablePress_Evaluate {
/**
* Checks whether the requirements for the PHPSpreadsheet evaluate class are fulfilled or if the legacy evaluate class should be used.
*
* @since 2.0.0
*
* @return bool Whether the legacy evaluate class should be used.
*/
protected function _should_use_legacy_evaluate_class(): bool {
/**
* Filters whether the Legacy Table Evaluate class shall be used.
*
* @since 2.0.0
*
* @param bool $use_legacy_class Whether to use the legacy table evaluate class. Default false.
*/
if ( apply_filters( 'tablepress_use_legacy_table_evaluate_class', false ) ) {
return true;
}
// Use the legacy evaluate class, if the requirements for PHPSpreadsheet Calculations are not fulfilled.
$phpspreadsheet_requirements_fulfilled = extension_loaded( 'mbstring' );
if ( ! $phpspreadsheet_requirements_fulfilled ) {
return true;
}
return false;
}
/**
* Evaluate formulas in the passed table.
*
* @since 1.0.0
*
* @param array<int, array<int, string>> $table_data Table data in which formulas shall be evaluated.
* @param string $table_id ID of the passed table.
* @return array<int, array<int, string>> Table data with evaluated formulas.
*/
public function evaluate_table_data( array $table_data, string $table_id ): array {
// Choose the Table Evaluate library based on the PHP version and the filter hook value.
if ( $this->_should_use_legacy_evaluate_class() ) {
$evaluate_class = TablePress::load_class( 'TablePress_Evaluate_Legacy', 'class-evaluate-legacy.php', 'classes' );
} else {
$evaluate_class = TablePress::load_class( 'TablePress_Evaluate_PHPSpreadsheet', 'class-evaluate-phpspreadsheet.php', 'classes' );
}
return $evaluate_class->evaluate_table_data( $table_data, $table_id );
}
} // class TablePress_Evaluate