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(PHP 5 >= 5.5.11)
SplFileObject::fread — Read from file
$length
)Reads the given number of bytes from the file.
length
The number of bytes to read.
Returns the string read from the file 或者在失败时返回 FALSE
.
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 ());
?>
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.