PHP | SplFileObject fread() Function

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The SplFileObject::fread() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to reads the given number of bytes from the file.

Syntax:

string SplFileObject::fread( $length )

Parameters: This function accepts single parameter $length which is used to specify the length to be read from file in bytes.

Return values: This function returns the string read from the file on success or false on failure.

Note: It make sure the file used in below program named as gfg.txt should have read permissions.

Below Programs illustrate the SplFileObject::fread() function in PHP:

Program 1:

<?php 
  
// Create an Object  
$file = new SplFileObject("gfg.txt", "r"); 
  
// Read 5 bytes from file 
$gfg = $file->fread(5); 
  
// Print Result 
echo ($gfg); 
?> 

Output:

Geeks

Program 2:

<?php  
   
// PHP program to use array to check  
// multiple files  
$GFG = array( 
    "dummy.txt", 
    "gfg.txt", 
    "frame.txt"
    ); 
   
foreach ($GFG as &$file_name) {  
   
    // Create new SplFile Object  
    $file = new SplFileObject($file_name, "r"); 
    $contents = $file->fread(13); 
    echo $contents . "</br>"; 
} 
?> 