SplFileObject::fread

(PHP 5 >= 5.5.11, PHP 7)

SplFileObject::freadRead from file

说锟斤拷

public SplFileObject::fread ( int $length ) : string

Reads the given number of bytes from the file.

锟斤拷锟斤拷

length

The number of bytes to read.

锟斤拷锟斤拷值

Returns the string read from the file 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE.

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Example #1 SplFileObject::fread() example

<?php
// Get contents of a file into a string
$filename "/usr/local/something.txt";
$file = new SplFileObject($filename"r");
$contents $file->fread($file->getSize());
?>

注锟斤拷

Note:

Note that SplFileObject::fread() reads from the current position of the file pointer. Use SplFileObject::ftell() to find the current position of the pointer and SplFileObject::rewind() (or SplFileObject::fseek()) to rewind the pointer position.

锟轿硷拷

  • fread() - 锟斤拷取锟侥硷拷锟斤拷锟缴帮拷全锟斤拷锟节讹拷锟斤拷锟斤拷锟侥硷拷锟斤拷