how to quick write a array to a file?

[Anon]

I know file() can read a file to array.

Do you know write-back the array to file?

I have about 50000 lines in the file.

I didn't want use a
while ...
fput...

do this.

[Anon]

There aren't any built in functions to do that but you could use $newVar=implode("\n",$yourArray) to put the entire array into one variable (with each element seperated by a newline) and then just fput the $newVar.