@file_put_contents
Reprint ：https://www.php.net/file_put_contents

file_put_contents

(PHP 5, PHP 7)

file_put_contents — Write a string to a file .

New changes

And call... In turn fopen(),fwrite() as well as fclose() Function as .：
This function will return the number of bytes written to the data in the file , Return... On failure FALSE