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File: example03.php

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  Classes of zandor  >  CFile  >  example03.php  >  Download  
File: example03.php
Role: Example script
Content type: text/plain
Description: creating a file, then writing in a string
Class: CFile
Read and write values to binary files
Author: By
Last change:
Date: 3 years ago
Size: 1,806 bytes
 

Contents

Class file image Download
<?php // example 01 : simple open and close
     
require_once( "cfile.class.php" );
     
      echo
"<b>EXAMPLE 03</b>: creating a file, then we write in a string<br><br>" ;

     
$CANDIDATEfile = "cfile.test.example03.xxx" ;

     
$cfile = new cfile( $CANDIDATEfile );
     
$bOPEN = $cfile->open( CFILE_READWRITE_CREATE_MODE );
     
$bERR = $cfile->is_error() ;
     
      if (
$bOPEN && !$bERR ) // you can check open return value or internal error for safe operation
     
{
           echo
"OPEN FILE <b>$CANDIDATEfile</b> : SUCCESS<br>" ;
          
           echo
"FILE SIZE.".( filesize( $CANDIDATEfile ) )."<br>" ;
          
           echo
"<br>" ;
           echo
"Writing a simple string in text mode ...<br>" ;
          
$STR = " this is some string" ;
          
$bWRITE = $cfile->write( $STR, strlen($STR), CFILE_TEXT_MODE ) ;
           echo (
$bWRITE ) ? "WRITE some string: <b>$STR</b><br>" : "CAN'T WRITE some string ...<br>" ;

           echo
"<br>Now read something ...<br><br>" ;
           echo
"... try to move to beginning of the file<br>" ;
          
$bBEGIN = $cfile->move_to_beginning();
           echo (
$bWRITE ) ? "OK MOVE TO BEGINNING ...<br>" : "CAN'T MOVE TO THE BEGINNING ...<br>" ;

          
// and read the next bytes
          
$nbytes = strlen($STR) ;
          
$READ = $cfile->read( $nbytes, CFILE_TEXT_MODE ) ;
           echo (
$READ === false ) ? "CAN'T READ from file ... <b>".$cfile->get_error_string()."</b><br>" : "This is what I read in $nbytes byte".( ( $nbytes == 1 ) ? "" : "s" )." : <b>$READ</b><br>" ;

           echo
"<br>" ;
           echo (
$cfile->close() ) ? "CLOSE FILE <b>$CANDIDATEfile</b> : SUCCESS" : $cfile->get_error_string() ;
      }
      else echo
$cfile->get_error_string() ;
?>