©
本文档使用 PHP中文网手册 发布
(PHP 5 >= 5.1.0)
SplFileObject::fscanf — Parses input from file according to a format
$format
[, mixed &$...
] )
Reads a line from the file and interprets it according to the specified format
, which is
described in the documentation for sprintf() .
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.
format
The specified format as described in the sprintf() documentation.
...
The optional assigned 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.
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