PHP file Read Method Example analysis _php skills

This article describes the php file reading method. Share to everyone for your reference. Specifically as follows:

<?php 
$file = fopen ("Test//file.txt", "R");//Open File 
echo fgetc ($file);//read a character in the file 
fclose ($file); Close File 
?> 

<?php 
$file = fopen ("Test//file.txt", "R");//Open File 
echo fgets ($file);//read a row in the file 
fclose ($file);//Close file 
?> 

<?php 
$file = fopen ("Test//file.txt", "R"); 
Echo fread ($file, 20); Read the first 20 characters in the file 
fclose ($file); 
? > 

<?php 
$filename = "Test//file.txt"; 
$file = fopen ($filename, "R"); 
$filesize = FileSize ($filename); Get file length 
echo fread ($file, $filesize);//Get all the contents of the file 
fclose ($file); 
? >

I hope this article will help you with your PHP program design.