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PHP -亳从于亳从亳 
( Cookies) 
丐亠仄舒 3 
11.12.14 1
弌亟亢舒仆亳亠 
 Cookies. 仂弍亠仆仂亳. 
 舒从 亟舒 亳亰仗仂仍亰于舒仄亠 cookie? 
11.12.14 2
...亠亟亳 亟舒 亠 仗仂仍亰于舒 
 于仂仂 亠, 亠 亟仂仗 亟仂 
亳仆仂仄舒亳舒 于于 于亠从亳 舒从于 舒亶仍 
亳仄舒 舒仄仂 仂弍于亠仆亳 于亳 亟仂仄亠亶仆; 
 仂仂. 亠 磡于舒 亟舒 亰仆舒亠亠, 亠 
亞仂仍亠仄亳仆舒舒 仆舒 亠亟亳仆 舒从于 舒亶仍 仆亠 
仄仂亢亠 亟舒 亠 仗仂于亠亠 仂 4k; 
 舒 亳仍亳 仗仂亳于 仗仂仍亰于舒仆亠仂 仆舒 cookie?; 
11.12.14 3
舒从 亟舒 亳亰仗仂仍亰于舒仄亠 
cookie? 
 仄亠; 
 弌亟亢舒仆亳亠; 
 仂亟仍亢亳亠仍仆仂 仆舒 亢亳于仂舒; 
 仂仄亠亶仆; 
 ; 
 亳 仂亟亳亞亠仆仂. 
亳仍仂 setcookie (仆亳亰 亳仄亠 [, 仆亳亰 仂亶仆仂 [, 亳仍仂 仗仂亟仍亢亳亠仍仆仂 [, 
仆亳亰 仗 [, 仆亳亰 亟仂仄亠亶仆 [, 亳仍仂 仗仂亟亳亞亠仆舒]]]]]) 
11.12.14 4
亳仄亠..1 
../uroci/t3/ex31.php 
<?php //../uroci/t2/ex25.php 
echo "<html><head>"; //于 仗仂 舒亳亠 于亠亳亳 仆舒 PHP 
setcookie ("user", "ivan"); 
?> 
<html> 
<body> 
<h1> Page_1 </h1> 
</body> 
</html> 
亠亰仍舒: Warning: Cannot modify header information - headers 
already sent by (output started at D:php_testurocit3ex1.php:2) in 
D:php_testurocit3ex1.php on line 3 
11.12.14 5
亳仄亠..2 
../uroci/t3/ex32.php 
....... 
<?php 
setcookie ("user", "IVAN"); 
echo "<html><head>"; 
?> 
<html> 
<body> 
<h1> Page_1 </h1> 
<h2> Cookie =>: 
<?php echo $_COOKIE["user"] ?>; 
</h2> 
</body> 
</html> "<html><head>"; 
?> 
11.12.14 6
舒于亳仍舒 亰舒 舒弍仂舒 
 setcookie ("user", "ivan", "/mojat_sajt"); - 亠 
 setcookie ("user", "ivan", 0, "/mojat_sajt");- 舒 
 setcookie ("user", "ivan", 0, "", "", 1); 
 setcookie ("user", "", 0, "", "", 1); 
11.12.14 7
亳仄亠..3 
../uroci/t3/index.php 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
<meta http-equiv="content-type" content="text/html; charset=UTF-8"> 
<meta name="generator" content="PSPad editor, www.pspad.com"> 
<title>ex21</title> 
</head> 
<BODY> 
<form action=user.php method=post> 
<input type="text" name="username"> 
<input type="submit" value="亳亰仗舒亳"> 
</form> 
</BODY> 
</HTML> 
11.12.14 8
亳仄亠..3(2) 
../uroci/t3/user.php 
<?php 
setcookie ("user", $_POST["username"]); 
echo "亟舒于亠亶亠, ". $_COOKIE["user"]."!</br>"; 
echo "仍亳从仆亠亠 <a href='index.php'>从</a>, 亰舒 亟舒 仄亠仆亳亠 亳仄亠仂, 
从仂亠仂 仗仂仂亳亠 亳仍亳 <a href='content.php'>从</a> 亰舒 亟舒 
仗仂亟仍亢亳亠!"; 
?> 
11.12.14 9
亳仄亠..3(3) 
../uroci/t3/content.php 
<html> 
<BODY> 
<h1> 
<?php 
echo "亟舒于亠亶亠, ". $_COOKIE["user"]."!</br>"; 
?> 
</h1> 
</BODY> 
</html> 
11.12.14 10
Cookie ---仂亠 
 setcookie ("user", $username, time() + 3600); 
 setcookie ("user", "", time() - 3600); 
 setcookie ("user", $username, time() + 3600, "/"); - 于舒亢亳 亰舒 仗仂亟亟亳. 
舒仄仂 仆舒 仂仆仂于仆亳 亟仂仄亠亶仆 
仂亞舒仂 亳仄舒仄亠 仗仂亟亟仂仄亠亶仆  (mysite.com office.mysite.com; ) 
 setcookie ("user", $username, time() + 3600, "/", ".domain.com"); 
 setcookie ("user", "", time() - 3600, "/", ".domain.com"); 
11.12.14 11
弌舒仄仂仂亠仍仆仂 
 Session 
 session_start(); 
$_SESSION['favcolor'] = 'green'; 
$_SESSION['animal'] = 'cat'; 
$_SESSION['time'] = time(); 
11.12.14 12

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  • 1. PHP -亳从于亳从亳 ( Cookies) 丐亠仄舒 3 11.12.14 1
  • 2. 弌亟亢舒仆亳亠 Cookies. 仂弍亠仆仂亳. 舒从 亟舒 亳亰仗仂仍亰于舒仄亠 cookie? 11.12.14 2
  • 3. ...亠亟亳 亟舒 亠 仗仂仍亰于舒 于仂仂 亠, 亠 亟仂仗 亟仂 亳仆仂仄舒亳舒 于于 于亠从亳 舒从于 舒亶仍 亳仄舒 舒仄仂 仂弍于亠仆亳 于亳 亟仂仄亠亶仆; 仂仂. 亠 磡于舒 亟舒 亰仆舒亠亠, 亠 亞仂仍亠仄亳仆舒舒 仆舒 亠亟亳仆 舒从于 舒亶仍 仆亠 仄仂亢亠 亟舒 亠 仗仂于亠亠 仂 4k; 舒 亳仍亳 仗仂亳于 仗仂仍亰于舒仆亠仂 仆舒 cookie?; 11.12.14 3
  • 4. 舒从 亟舒 亳亰仗仂仍亰于舒仄亠 cookie? 仄亠; 弌亟亢舒仆亳亠; 仂亟仍亢亳亠仍仆仂 仆舒 亢亳于仂舒; 仂仄亠亶仆; ; 亳 仂亟亳亞亠仆仂. 亳仍仂 setcookie (仆亳亰 亳仄亠 [, 仆亳亰 仂亶仆仂 [, 亳仍仂 仗仂亟仍亢亳亠仍仆仂 [, 仆亳亰 仗 [, 仆亳亰 亟仂仄亠亶仆 [, 亳仍仂 仗仂亟亳亞亠仆舒]]]]]) 11.12.14 4
  • 5. 亳仄亠..1 ../uroci/t3/ex31.php <?php //../uroci/t2/ex25.php echo "<html><head>"; //于 仗仂 舒亳亠 于亠亳亳 仆舒 PHP setcookie ("user", "ivan"); ?> <html> <body> <h1> Page_1 </h1> </body> </html> 亠亰仍舒: Warning: Cannot modify header information - headers already sent by (output started at D:php_testurocit3ex1.php:2) in D:php_testurocit3ex1.php on line 3 11.12.14 5
  • 6. 亳仄亠..2 ../uroci/t3/ex32.php ....... <?php setcookie ("user", "IVAN"); echo "<html><head>"; ?> <html> <body> <h1> Page_1 </h1> <h2> Cookie =>: <?php echo $_COOKIE["user"] ?>; </h2> </body> </html> "<html><head>"; ?> 11.12.14 6
  • 7. 舒于亳仍舒 亰舒 舒弍仂舒 setcookie ("user", "ivan", "/mojat_sajt"); - 亠 setcookie ("user", "ivan", 0, "/mojat_sajt");- 舒 setcookie ("user", "ivan", 0, "", "", 1); setcookie ("user", "", 0, "", "", 1); 11.12.14 7
  • 8. 亳仄亠..3 ../uroci/t3/index.php <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="generator" content="PSPad editor, www.pspad.com"> <title>ex21</title> </head> <BODY> <form action=user.php method=post> <input type="text" name="username"> <input type="submit" value="亳亰仗舒亳"> </form> </BODY> </HTML> 11.12.14 8
  • 9. 亳仄亠..3(2) ../uroci/t3/user.php <?php setcookie ("user", $_POST["username"]); echo "亟舒于亠亶亠, ". $_COOKIE["user"]."!</br>"; echo "仍亳从仆亠亠 <a href='index.php'>从</a>, 亰舒 亟舒 仄亠仆亳亠 亳仄亠仂, 从仂亠仂 仗仂仂亳亠 亳仍亳 <a href='content.php'>从</a> 亰舒 亟舒 仗仂亟仍亢亳亠!"; ?> 11.12.14 9
  • 10. 亳仄亠..3(3) ../uroci/t3/content.php <html> <BODY> <h1> <?php echo "亟舒于亠亶亠, ". $_COOKIE["user"]."!</br>"; ?> </h1> </BODY> </html> 11.12.14 10
  • 11. Cookie ---仂亠 setcookie ("user", $username, time() + 3600); setcookie ("user", "", time() - 3600); setcookie ("user", $username, time() + 3600, "/"); - 于舒亢亳 亰舒 仗仂亟亟亳. 舒仄仂 仆舒 仂仆仂于仆亳 亟仂仄亠亶仆 仂亞舒仂 亳仄舒仄亠 仗仂亟亟仂仄亠亶仆 (mysite.com office.mysite.com; ) setcookie ("user", $username, time() + 3600, "/", ".domain.com"); setcookie ("user", "", time() - 3600, "/", ".domain.com"); 11.12.14 11
  • 12. 弌舒仄仂仂亠仍仆仂 Session session_start(); $_SESSION['favcolor'] = 'green'; $_SESSION['animal'] = 'cat'; $_SESSION['time'] = time(); 11.12.14 12