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It is the cause of xdebug
Solution:
set the overload_var_dump parameter of the xdebug item in php.ini
to 0 to turn off var_dump optimization,
to 1 to turn on optimization,
to 2 to turn on more optimizations, including display files name
wamp is not used much, it is recommended to use our latest integrated environment, php programmer toolbox, http://tool.php.cn
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
It is the cause of xdebug
Solution:
set the overload_var_dump parameter of the xdebug item in php.ini
to 0 to turn off var_dump optimization,
to 1 to turn on optimization,
to 2 to turn on more optimizations, including display files name
wamp is not used much, it is recommended to use our latest integrated environment, php programmer toolbox, http://tool.php.cn