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PHP ,




<?php
echo ":\n";
$filename = "count.txt";
$fd = fopen($filename,"r");
$cont = fread($fd, filesize($filename));
fclose($fd);
$cont=$cont+1;
$fd = fopen($filename,"w");
fwrite($fd, $cont);
fclose($fd);
echo $cont;
echo " ().\n";
?>

HTML PHP . GET POST.

GET

: GET ? HTTP/1.0

: REQUEST_URI; QUERY_STRING , REQUEST_METHOD GET.

( POST) . , ( , , ). HTTP/1.0 - , HTTP/1.1. , , .

? , URL. - , . URI (UniversalResourceIdentifier - ). URL ( , HTTP). URL Web- , URI - , ( IP-) .

$a, $b $c GET . :

$a = $_GET['a'];
$b = $_GET['b'];

 

$c = $_GET['c'];
$summa = $a + $b + $c;

 

echo " $a + $b + $c = $summa";

POST

: POST ? HTTP/1.0

: REQUEST_URI; QUERY_STRING , REQUEST_METHOD POST.

POST. POST:


POST /script.cgi HTTP/1.0\n
Content-length: 6\n
\n
Hello!

, . , \n\n, , Hello! 6 - . , POST- ( , ), . , , . . , ? Content-Length, .

POST? , . , Web , . , POST : , GET, , , , URL . , POST- URL .

. post-1.php

  <!-- -->
  <form action="post-2.php" method="post" name="form1" target="_blank">

 

  <!-- -->
  <p><input name="name" type="text" size="20"></p>

 

  <p><input name="lastname" type="text" size="20"></p>
  <!-- -->

 

  <p><input name="submit" type="submit" value=""></p>
  </form>  

 





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