(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::fscanf — Parses input from file according to a format
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.
format
The interpreted format for string, which is
described in the documentation for sprintf() with
following differences:
F, g, G and
b are not supported.
D stands for decimal number.
i stands for integer with base detection.
n stands for number of characters processed so far.
s stops reading at any whitespace character.
* instead of argnum$ suppresses
the assignment of this conversion specification.
varsThe 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.
示例 #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