фкн вгу

PHP.Удаление тегов HTML.

<html> <head><title>Button1</title></head>
<body> 
 
 
<?php  
 $errors = array  () ;
 if ( isset ($_REQUEST ["seen_already"]))
 {
	 validate_data ();
	 if (count($errors)>0 )
	 {
		 diplay_errors ();
		 display_form ();
	 }
	 else
	 {
		 process_data ();
	 }
 }
 else
 {
	 display_form ();
 }
 function validate_data ()
 {
	 global $errors ;
	 if  ($_REQUEST ["Name"] == "")
	 {
		 $errors [] = "<FONT COLOR='RED'>  Imya obyazatelno dlya vvoda </FONT>";
	 }
 }
 function display_errors ()
 {
	 global $errors ;

PHP. Проверка строковых полей.

<html> <head><title>Button1</title></head>
<body> 
 
 
<?php  
 $errors = array  () ;
 if ( isset ($_REQUEST ["seen_already"]))
 {
	 validate_data ();
	 if (count($errors)>0 )
	 {
		 diplay_errors ();
		 display_form ();
	 }
	 else
	 {
		 process_data ();
	 }
 }
 else
 {
	 display_form ();
 }
 function validate_data ()
 {
	 global $errors ;
	 if  (!preg_match ('/php/i',$_REQUEST ["Text"]))
	 {
		 $errors [] = "<FONT COLOR='RED'>V tekste dolzhno bыt slovo 
		 
	 \"PHP\"</FONT>";
	 }
 }
 function display_errors ()
 {

PHP.Проверка числовых полей.

<html> <head><title>Button1</title></head>
<body> 
 
 
<?php  
 $errors = array  () ;
 if ( isset ($_REQUEST ["seen_already"]))
 {
	 validate_data ();
	 if (count($errors)>0 )
	 {
		 diplay_errors ();
		 display_form ();
	 }
	 else
	 {
		 process_data ();
	 }
 }
 else
 {
	 display_form ();
 }
 function validate_data ()
 {
	 global $errors ;
	 if  (strcmp($_REQUEST ["Number"] , strval (intval($_REQUEST ["Number"]))))
	 {
		 $errors [] = "<FONT COLOR='RED'>Sleduet vvesti chislo</FONT>";
	 }
 }

PHP. Обязательное для заполнения поле.

<html> <head><title>Button1</title></head>
<body> 
 
 
<?php  
 $errors = array  () ;
 if ( isset ($_REQUEST ["seen_already"]))
 {
	 validate_data ();
	 if (count($errors)>0 )
	 {
		 diplay_errors ();
		 display_form ();
	 }
	 else
	 {
		 process_data ();
	 }
 }
 else
 {
	 display_form ();
 }
 function validate_data ()
 {
	 global $errors ;
	 if ($_REQUEST ["Name"] == " ")
	 {
		 $errors [] = "<FONT COLOR='RED'>Imya Obyazatelno dlya vvoda</FONT>";
	 }
 }
 function display_errors ()
 {
	 global $errors ;

PHP.Проверка данных.

<html> <head><title>Button1</title></head>
<body> 
 
<?php

function display_errors () 
{
global $errors ;
foreach ($errors as $err )
{
echo $err.'<BR>';
}
}

function display_form ()
{
echo "<FORM METHOD='POST' ACTION='phpvalidate.php'>";
echo "<INPUT TYPE='SUBMIT' VALUE='OK' >";
echo "<INPUT TYPE='HIDDEN'  NAME='seen_already' VALUE='data'> ";
echo "</FORM>" ;
}





$errors =array ();
if (isset ($_REQUEST ["seen_already"]))
{
validate_data ();
if (count ($errors) >0 )
{
display_errors ();

PHP.Приложение из одной страницы.

<html> <head><title>Button1</title></head>
<body> 

<?php
if (isset ($_REQUEST ["Name"]))
{
?>
<H1> Otobrazhenie imeni polzovatelya </H1>
Your name
<?php echo $_REQUEST ["Name"];
}
else
{
?>	
	<H1>Vvod imeni polzovatelya </H1>
	<FORM METHOD="POST" ACTION="phpsingle.php">
	Vvedite vashe imya
	<INPUT NAME="Name" TYPE="TEXT">
	<BR><BR>
	<INPUT TYPE=SUBMIT VALUE="OK">
	</FORM>
<?php
}
?>

  </body>
  </html>

PHP.Организация полей форм в массивы.

 <head><title>Button1</title></head>
<body> 
 <CENTER>
<H1>  Organizaciya Polei form v massivi </H1> 
 <FORM METHOD="POST" ACTION="phptextarray.php">
 Enter your name :
 <INPUT  NAME="textdata[name]" TYPE="TEXT">
 <BR><BR>
 Your favourit color :
 <INPUT NAME="textdata[color]" TYPE="TEXT">
 <BR><BR>
 <INPUT TYPE=SUBMIT VALUE="OK">
  </FORM>
   
  </body>
  </html>

***********************************************************************

PHP. Определиние типа Браузера.

 <head><title>Button1</title></head>
<body> 
 <CENTER>
<H1> TYPE OF BROWSER </H1> 
<FORM METHOD="POST" ACTION="phpbrowser.php">
Press button
<INPUT TYPE="SUBMIT" VALUE="OK">
</FORM>


</CENTER> 
  
   
  </body>
  </html>

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