PHP - Read File

PHP provides various functions to read data from file.

The available PHP file read functions are given below.

First create a text file with file1.txt file name and put this content in the file.

                    Code Now
                    Code Tomorrow
                    Code Always

PHP - fread()

The PHP fread() function is used to read data of the file. It requires two arguments: file resource and file size.

 string fread (resource $handle , int $length )  

$handle represents file pointer that is created by fopen() function.

$length represents length of byte to be read.

Lets put this into example.

<?php  
$myfile = "c:\\file1.txt"; 
//open file in read mode      
$fp = fopen($myfile, "r");    
//read file    
$contents = fread($fp, filesize($myfile));   
//printing data of file
echo "<pre>$contents</pre>";  
fclose($fp);//close file
 ?> 

This will produce the following result −

 Code Now
 Code Tomorrow
 Code Always  

PHP - fgets()

The PHP fgets() function is used to read single line from the file.

 string fgets ( resource $handle [, int $length ] )   

$handle represents file pointer that is created by fopen() function.

$length represents length of byte to be read.

Lets put this into example.

<?php
//open file in read mode    
 $fp = fopen("c:\\file1.txt", "r");  
echo fgets($fp);  
fclose($fp);  
 ?> 

This will produce the following result −

Code Now

PHP - fgetc()

The PHP fgetc() function is used to read single character from the file.

To get all data using fgetc() function, use !feof() function inside the while loop.

 string fgetc ( resource $handle )    

$handle represents file pointer that is created by fopen() function.

Lets put this into example.

<?php  
$fp = fopen("c:\\file1.txt", "r");  //open file in read mode    
while(!feof($fp)) {  
  echo fgetc($fp);  
}  
fclose($fp);  
?>

This will produce the following result −

Code Now Code Tomorrow Code Always