Fatal error: Incompatible file format: The encoded file has format major ID 7, whereas the Loader expects 4 in E:\phpStudy\PHPTutorial\WWW\index.php on line 0
The php version of the development website does not match the php version configured on the space. For example, php5.2 for development, the space defaults to 5.3
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Fatal error: File format incompatible encoding formats are: file number 7, while loader expected 4 E: phptutorial PHPstudy WWW index.php on line 0
The php version of the development website does not match the php version configured on the space. For example, php5.2 for development, the space defaults to 5.3