echo ''; $test = array('id'=>'181601920729896967', 'name'=>'test'); echo json_encode($test); echo '
'; $json = '{"id":181601920729896967,"name":"test"}'; $data = json_decode($json, true); print_r($data); $str = number_format($data['id'], 0, '', ''); print_r($str); $newdata = json_decode($json, true , 512 , JSON_BIGINT_AS_STRING); echo '
-------------
'; print_r($newdata); exit;执行结果截图如下:
第一:json_decode在解析bigint时需要特殊处理一下:可查看手册,json_decode有第4个参数,就是用来控制解析bigint的,如上示例中使用了第4个参数就正常。
optionsBitmask of JSON decode options. Currently only JSON_BIGINT_AS_STRING is supported (default is to cast large integers as floats)
第二:科学计数法转换成正常的数值的方法:
$number = number_format($number, 0, '', '');



