SplFileObject::fscanf
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fscanf — Parses input from file according to a format
Description
Reads a line from the file and interprets it according to the specified format.
Any whitespace in the format string matches any whitespace in the line from the file.
This means that even a tab (\t) in the format string can match a single space character in the input stream.
Parameters
-
format -
The interpreted format for
string, which is described in the documentation for sprintf() with following differences:- Function is not locale-aware.
-
F,g,Gandbare not supported. -
Dstands for decimal number. -
istands for integer with base detection. -
nstands for number of characters processed so far. -
sstops reading at any whitespace character. -
*instead ofargnum$suppresses the assignment of this conversion specification.
-
vars -
The optional assigned values.
Return Values
If only one parameter is passed to this method, the values parsed will be returned as an array. Otherwise, if optional parameters are passed, the function will return the number of assigned values. The optional parameters must be passed by reference.
Examples
Example #1 SplFileObject::fscanf() example
<?php
$file = new SplFileObject("misc.txt");
while ($userinfo = $file->fscanf("%s %s %s")) {
list ($name, $profession, $countrycode) = $userinfo;
// Do something with $name $profession $countrycode
}
?>
Contents of users.txt
javier argonaut pe hiroshi sculptor jp robert slacker us luigi florist it
