锟斤拷一锟斤拷锟斤拷锟结交锟斤拷 PHP 锟脚憋拷时锟斤拷锟斤拷锟叫碉拷锟斤拷息锟斤拷锟皆讹拷锟节脚憋拷锟叫匡拷锟矫★拷锟叫很多方锟斤拷锟斤拷锟绞达拷锟斤拷息锟斤拷锟斤拷锟界：
Example #1 一锟斤拷锟津单碉拷 HTML 锟斤拷
<form action="foo.php" method="POST">
Name: <input type="text" name="username"><br />
Email: <input type="text" name="email"><br />
<input type="submit" name="submit" value="Submit me!" />
</form>
锟斤拷锟斤拷锟截讹拷锟斤拷锟斤拷锟矫和革拷锟剿碉拷喜锟矫ｏ拷锟叫很讹拷锟街凤拷锟斤拷锟斤拷锟斤拷 HTML 锟斤拷锟叫碉拷锟斤拷锟捷★拷锟斤拷锟界：
Example #2 锟斤拷一锟斤拷锟津单碉拷 POST HTML 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
<?php
// 锟斤拷 PHP 4.1.0 锟斤拷锟斤拷锟�
echo $_POST['username'];
echo $_REQUEST['username'];
import_request_variables('p', 'p_');
echo $p_username;
// 锟斤拷 PHP 5.0.0 锟斤拷锟斤拷些锟斤拷锟斤拷式锟斤拷预锟斤拷锟斤拷锟斤拷锟�
// 锟斤拷锟斤拷 register_long_arrays 指锟斤拷乇铡锟�
echo $HTTP_POST_VARS['username'];
// 锟斤拷锟� PHP 指锟斤拷 register_globals = on 时锟斤拷锟矫★拷锟斤拷锟斤拷锟斤拷
// PHP 4.2.0 锟斤拷默锟斤拷值为 register_globals = off锟斤拷
// 锟斤拷锟结倡使锟斤拷/锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷
echo $username;
?>
使锟斤拷 GET 锟斤拷也锟斤拷锟狡ｏ拷只锟斤拷锟斤拷要锟斤拷锟绞碉拷锟斤拷 GET 预锟斤拷锟斤拷锟斤拷锟斤拷锟紾ET 也锟斤拷锟斤拷锟斤拷 QUERY_STRING锟斤拷URL 锟斤拷锟斤拷"?"之锟斤拷锟斤拷锟较拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷说锟斤拷http://www.example.com/test.php?id=3 锟斤拷锟斤拷锟叫匡拷锟斤拷 $_GET['id'] 锟斤拷锟斤拷锟绞碉拷 GET 锟斤拷锟捷★拷锟轿硷拷 $_REQUEST 锟斤拷 import_request_variables()锟斤拷
Note:
锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 $_POST 锟斤拷 $_GET锟斤拷锟斤拷 PHP 4.1.0 锟斤拷锟斤拷谩锟�
Note:
锟斤拷锟斤拷锟斤拷锟叫的碉拷涂崭锟阶拷锟斤拷锟斤拷禄锟斤拷摺锟斤拷锟斤拷锟� <input name="a.b" /> 锟斤拷锟斤拷锟� $_REQUEST["a_b"]锟斤拷
锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷 PHP 4.2.0 之前 register_globals 锟斤拷默锟斤拷值锟斤拷 on锟斤拷PHP 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟揭拷锟斤拷锟斤拷锟街革拷睿拷锟斤拷锟斤拷诒锟斤拷锟绞憋拷俣锟斤拷锟轿� off锟斤拷
Note:
magic_quotes_gpc 锟斤拷锟斤拷指锟斤拷影锟届到 Get锟斤拷Post 锟斤拷 Cookie 锟斤拷值锟斤拷锟斤拷锟斤拷蚩锟街� (It's "PHP!") 锟斤拷锟皆讹拷转锟斤拷锟斤拷 (It\'s \"PHP!\")锟斤拷十锟斤拷锟斤拷前锟斤拷锟斤拷锟捷匡拷牟锟斤拷锟斤拷锟揭拷锟斤拷转锟藉，锟斤拷锟斤拷丫锟斤拷锟绞憋拷耍锟接︼拷霉乇铡锟斤拷渭锟� addslashes()锟斤拷stripslashes() 锟斤拷 magic_quotes_sybase锟斤拷
PHP 也锟斤拷锟矫憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟介（锟轿硷拷锟斤拷爻锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷越锟斤拷锟截的憋拷锟斤拷锟斤拷锟斤拷椋拷锟斤拷锟斤拷么锟斤拷锟斤拷源佣锟窖★拷锟斤拷锟斤拷锟斤拷取锟斤拷值锟斤拷锟斤拷锟界，锟斤拷一锟斤拷锟斤拷 POST 锟斤拷锟皆硷拷锟斤拷锟斤拷锟结交时锟斤拷示锟斤拷锟捷ｏ拷
Example #3 锟斤拷锟斤拷锟接的憋拷锟斤拷锟斤拷
<?php
if (isset($_POST['action']) && $_POST['action'] == 'submitted') {
echo '<pre>';
print_r($_POST);
echo '<a href="'. $_SERVER['PHP_SELF'] .'">Please try again</a>';
echo '</pre>';
} else {
?>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
Name: <input type="text" name="personal[name]"><br />
Email: <input type="text" name="personal[email]"><br />
Beer: <br>
<select multiple name="beer[]">
<option value="warthog">Warthog</option>
<option value="guinness">Guinness</option>
<option value="stuttgarter">Stuttgarter Schwabenbr</option>
</select><br />
<input type="hidden" name="action" value="submitted" />
<input type="submit" name="submit" value="submit me!" />
</form>
<?php
}
?>
锟斤拷锟结交锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷图锟斤拷锟斤拷锟斤拷准锟斤拷锟结交锟斤拷钮锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥憋拷牵锟�
<input type="image" src="image.gif" name="sub" />
锟斤拷锟矫伙拷锟斤拷锟斤拷锟酵硷拷锟斤拷械锟侥筹拷锟绞憋拷锟斤拷锟接︼拷谋锟斤拷岜伙拷锟斤拷偷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� sub_x 锟斤拷 sub_y锟斤拷锟斤拷锟角帮拷锟斤拷锟斤拷锟矫伙拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟疥。锟叫撅拷锟斤拷锟斤拷没锟斤拷锟斤拷芑锟阶拷獾斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵碉拷实锟绞憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷禄锟斤拷撸锟斤拷锟� sub.x 锟斤拷 sub.y锟斤拷锟斤拷锟斤拷 PHP 锟皆讹拷锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟铰伙拷锟竭★拷
PHP 透锟斤拷锟斤拷支锟斤拷 » RFC 6265锟斤拷锟斤拷锟叫碉拷 HTTP cookies锟斤拷Cookies 锟斤拷一锟斤拷锟斤拷远锟斤拷锟斤拷锟斤拷锟斤拷舜娲拷锟斤拷莶锟斤拷锟阶凤拷倩锟绞讹拷锟斤拷俅畏锟斤拷实锟斤拷没锟斤拷幕锟斤拷啤锟斤拷锟斤拷锟斤拷锟� setcookie() 锟斤拷锟斤拷锟借定 cookies锟斤拷Cookies 锟斤拷 HTTP 锟斤拷息头锟叫碉拷一锟斤拷锟街ｏ拷锟斤拷锟� SetCookie 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷魏锟斤拷锟斤拷之前锟斤拷锟矫★拷锟斤拷锟斤拷 header() 锟斤拷锟斤拷也锟斤拷同锟斤拷锟斤拷锟斤拷锟狡★拷Cookie 锟斤拷锟捷伙拷锟斤拷锟斤拷应锟斤拷 cookie 锟斤拷锟斤拷锟斤拷锟斤拷锟叫匡拷锟矫ｏ拷锟斤拷锟斤拷 $_COOKIE锟斤拷$HTTP_COOKIE_VARS 锟斤拷 $_REQUEST锟斤拷锟斤拷锟斤拷细锟节猴拷锟斤拷锟接硷拷 setcookie() 锟街诧拷页锟芥。
锟斤拷锟揭拷锟斤拷锟斤拷值锟斤拷锟斤拷一锟斤拷 cookie 锟斤拷锟斤拷锟斤拷锟斤拷锟诫将锟戒赋锟斤拷锟斤拷锟介。锟斤拷锟界：
<?php
setcookie("MyCookie[foo]", 'Testing 1', time()+3600);
setcookie("MyCookie[bar]", 'Testing 2', time()+3600);
?>
锟解将锟结建锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 cookie锟斤拷锟斤拷锟斤拷 MyCookie 锟节脚憋拷锟斤拷锟斤拷一锟斤拷锟斤拷一锟斤拷锟斤拷锟介。锟斤拷锟斤拷锟斤拷诮锟斤拷锟揭伙拷锟� cookie 锟斤拷锟借定锟斤拷锟街碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷锟绞癸拷锟� serialize() 锟斤拷 explode()锟斤拷
注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟� cookie 锟斤拷锟芥换锟斤拷锟斤拷一锟斤拷同锟斤拷锟斤拷 cookie锟斤拷锟斤拷锟斤拷路锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷硕锟斤拷诠锟斤拷锍碉拷锟斤拷锟斤拷锟皆憋拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟金传递ｏ拷锟斤拷锟界：
Example #4 一锟斤拷 setcookie() 锟斤拷示锟斤拷
<?php
if (isset($_COOKIE['count'])) {
$count = $_COOKIE['count'] + 1;
} else {
$count = 1;
}
setcookie('count', $count, time()+3600);
setcookie("Cart[$count]", $item, time()+3600);
?>
通锟斤拷锟斤拷PHP 锟斤拷锟斤拷谋浯拷莞锟斤拷疟锟斤拷械谋锟斤拷锟斤拷锟斤拷锟饺伙拷锟接︼拷锟阶拷獾斤拷悖拷锟脚ｏ拷锟斤拷锟斤拷 PHP 锟斤拷锟斤拷锟斤拷锟叫的合凤拷锟街凤拷锟斤拷锟斤拷锟斤拷原锟津，匡拷锟斤拷锟斤拷
<?php
$varname.ext; /* 锟角凤拷锟斤拷锟斤拷锟斤拷 */
?>
锟斤拷锟节达拷原锟斤拷要注锟斤拷 PHP 锟斤拷锟斤拷锟皆讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫的碉拷锟芥换锟斤拷锟铰伙拷锟竭★拷
锟斤拷为 PHP 锟斤拷锟叫断憋拷锟斤拷锟斤拷锟酵诧拷锟斤拷锟斤拷要时锟斤拷锟斤拷转锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷锟斤拷锟斤拷某一时锟教革拷锟斤拷锟侥憋拷锟斤拷锟角猴拷锟斤拷锟斤拷锟酵诧拷锟斤拷锟斤拷锟皆★拷PHP 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫断憋拷锟斤拷锟斤拷锟斤拷锟酵ｏ拷锟斤拷锟界：gettype()锟斤拷is_array()锟斤拷is_float()锟斤拷is_int()锟斤拷is_object() 锟斤拷 is_string()锟斤拷锟轿硷拷锟斤拷锟斤拷一锟铰★拷