Thank you Aziz Sincerely Negin Nickparsa On Sun, Aug 10, 2014 at 5:21 PM, Aziz Saleh <azizsaleh@xxxxxxxxx> wrote: > > > > On Sun, Aug 10, 2014 at 6:59 PM, Negin Nickparsa <nickparsa@xxxxxxxxx> > wrote: > >> >> >> >> Sincerely >> Negin Nickparsa >> >> >> On Sun, Aug 10, 2014 at 3:57 PM, Aziz Saleh <azizsaleh@xxxxxxxxx> wrote: >> >>> >>> >>> >>> On Sun, Aug 10, 2014 at 6:31 PM, Negin Nickparsa <nickparsa@xxxxxxxxx> >>> wrote: >>> >>>> fread >>>> (PHP 4, PHP 5) >>>> >>>> fread — Binary-safe file read >>>> Description ¶ >>>> < >>>> http://us1.php.net/manual/en/function.fread.php#refsect1-function.fread-description >>>> > >>>> >>>> string fread ( resource $handle , int $length ) >>>> >>>> fread() reads up to length bytes from the file pointer referenced by >>>> handle. >>>> Reading stops as soon as one of the following conditions is met: >>>> readfile >>>> >>>> (PHP 4, PHP 5) >>>> >>>> readfile — Outputs a file >>>> Description ¶ >>>> < >>>> http://us3.php.net/manual/en/function.readfile.php#refsect1-function.readfile-description >>>> > >>>> >>>> int readfile ( string $filename [, bool $use_include_path = false [, >>>> resource $context ]] ) >>>> >>>> Reads a file and writes it to the output buffer. >>>> >>>> in which condition it's better to use them? I confronted a question >>>> that is >>>> asking which of the following functions reads the entire contents of a >>>> file? >>>> >>>> A.fgets >>>> >>>> B.file_get_contents >>>> >>>> C.fread() >>>> >>>> D.readfile() >>>> >>>> E.file() >>>> >>>> in my opinion the answer is B,C,D,E >>>> >>>> but the answer key is telling me the answer is B,D,E so fread for some >>>> reason is not the answer and I cannot understand. >>>> >>>> *john coggshall and Marco Tabini test book* >>>> >>> >>> file_get_contents, file, and readfile all take the filename location as >>> oppose to fgets/fread which require file pointers - requiring you to open >>> the file first (via fopen for example). >>> >> so fread is reading the entire file? >> >> > No. fread reads a file pointer (not the file location). You can use > fread/fgets to read the entire file content, but you need to open a file > pointer first with fopen and know the size of the file with filesize. >
