JSONParser.php

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<?php

namespace SimpleExcel\Parser;

use SimpleExcel\Exception\SimpleExcelException;

class JSONParser extends BaseParser implements IParser
{    
    protected $file_extension = 'json';
    
    public function loadFile($file_path) {
    
        if (!$this->isFileReady($file_path)) {
            return;
        }

        $handle = fopen($file_path, 'r');
        $this->loadString($handle);
        fclose($handle);
    }
    
    public function loadString($str){
        $field = array();
        if (($table = json_decode(utf8_encode($str), false, 4)) === NULL) {
            throw new \Exception('Invalid JSON format: '.$str, SimpleExcelException::MALFORMED_JSON);
        } else {
            foreach ($table as $rows) {
                $row = array();
                foreach ($rows as $cell) {
                    array_push($row, $cell);
                }
                array_push($field, $row);
            }
        }
        $this->table_arr = $field;
    }
}