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PHP/Form/Form Data - История изменений
2026-04-04T22:43:50Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://wbex.ru/index.php?title=PHP/Form/Form_Data&diff=632&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:26Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 10:37, 26 мая 2010</td>
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http://wbex.ru/index.php?title=PHP/Form/Form_Data&diff=633&oldid=prev
Admin: 1 версия
2010-05-26T07:04:45Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Accessing multiple submitted values==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<form method="POST" action="index.php"><br />
<select name="lunch[]" multiple><br />
<option value="a">A</option><br />
<option value="b">B</option><br />
<option value="c">C</option><br />
<option value="d">D</option><br />
<option value="e">E</option><br />
</select><br />
<input type="submit" name="submit"><br />
</form><br />
Selected buns:<br />
<br/><br />
<?php<br />
foreach ($_POST["lunch"] as $choice) {<br />
print "You want a $choice bun. <br/>";<br />
}<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Access widget"s form value==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<INPUT TYPE="text" NAME="myform.email"><br />
<br />
would be accessed in PHP as the following:<br />
<?php<br />
echo $_GET["myform_email"]; <br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==A process_form() Function==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
function process_form($data) {<br />
$msg = "The form at {$_SERVER["PHP_SELF"]}<br />
was submitted with these values: \n\n";<br />
foreach($data as $key=>$val) {<br />
$msg .= "$key => $val\n";<br />
}<br />
mail("joeuser@somewhere.ru", "form submission", $msg);<br />
}<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Calculation based on form data==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head> <br />
<title>Calculation Form</title> <br />
</head><br />
<body><br />
<form action = "calc.php" method = "post"><br />
Value 1: <input type = "text" name = "val1" size = "10"><br />
Value 2: <input type = "text" name = "val2" size = "10"><br />
<br><br />
Calculation: <br><br />
<input type = "radio" name = "calc" value = "add"> Add<br />
<input type = "radio" name = "calc" value = "sub"> Subtract<br />
<input type = "radio" name = "calc" value = "mul"> Multiply<br />
<input type = "radio" name = "calc" value = "div"> Divide <br />
<hr><br />
<input type = "submit" value = "Calculate"> <br />
<input type = "reset" value = "Clear"><br />
</form><br />
</body><br />
</html><br />
<br />
File: calc.php<br />
<br />
<br />
<html> <br />
<head> <br />
<title>Calculation Result</title> <br />
</head><br />
<body><br />
<?php <br />
$val1 = $_POST["val1"];<br />
$val2 = $_POST["val2"];<br />
$calc = $_POST["calc"];<br />
if( is_numeric( $val1 ) && is_numeric( $val2 ) )<br />
{<br />
if( $calc != null )<br />
{<br />
switch( $calc )<br />
{<br />
case "add" : $result = $val1 + $val2; break;<br />
case "sub" : $result = $val1 - $val2; break;<br />
case "mul" : $result = $val1 * $val2; break;<br />
case "div" : $result = $val1 / $val2; break;<br />
} <br />
echo( "Calculation result: $result" );<br />
} <br />
}<br />
else<br />
{ <br />
echo( "Invalid entry - please retry" ); <br />
}<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Deal with Array Form Data==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<HTML><br />
<BODY><br />
<FORM METHOD="POST" ACTION="DealWithArrayFormData.php"><br />
<H1>Contact Information</H1><br />
<TABLE><br />
<TR><br />
<TD>Childrens" Names:</TD><br />
</TR><br />
<TR><br />
<TD><INPUT TYPE="TEXT" NAME="children[]"></TD><br />
</TR><br />
<TR><br />
<TD><INPUT TYPE="TEXT" NAME="children[]"></TD><br />
</TR><br />
<TR><br />
<TD><INPUT TYPE="TEXT" NAME="children[]"></TD><br />
</TR><br />
<TR><br />
<TD><INPUT TYPE="TEXT" NAME="children[]"></TD><br />
</TR><br />
<TR><br />
<TD><INPUT TYPE="TEXT" NAME="children[]"></TD><br />
</TR><br />
</TABLE><br />
<BR><br />
<BR><br />
<BR><br />
<INPUT TYPE="SUBMIT" VALUE="Submit"><br />
<BR><br />
<BR><br />
<INPUT TYPE="RESET" VALUE="Clear the Form"><br />
</FORM><br />
</BODY><br />
</HTML><br />
<!-- DealWithArrayFormData.php<br />
<?php<br />
foreach ($children as $index => $child){<br />
echo "<BR>child[$index]=$child";<br />
}<br />
echo "<BR>";<br />
sort($children);<br />
foreach ($children as $index => $child){<br />
echo "<BR>child[$index]=$child";<br />
}<br />
?><br />
--><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Feedback Form==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<head><br />
<title>Feedback Form</title><br />
</head><br />
<body><br />
<form action="feedback.php" method="post"><br />
Name:<input type="text" name="username" size="30"><br />
<br><br><br />
Email:<input type="text" name="useraddr" size="30"><br />
<br><br><br />
<textarea name="comments" cols="30" rows="5"><br />
</textarea><br><br />
<input type="submit" value="Send Form"><br />
</form><br />
</body><br />
</html><br />
<br />
File: feedback.php<br />
<br />
<?php<br />
$username = $_POST["username"];<br />
$useraddr = $_POST["useraddr"];<br />
$comments = $_POST["comments"];<br />
$to = "php@h.ru"; <br />
$re = "Website Feedback"; <br />
$msg = $comments; <br />
$headers = "MIME-Version: 1.0\r\n"; <br />
$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";<br />
$headers .= "From: $useraddr \r\n"; <br />
$headers .= "Cc: another@hotmail.ru \r\n";<br />
mail( $to, $re, $msg, $headers ); <br />
?><br />
<html><br />
<head><br />
<title>Message Received</title><br />
</head><br />
<body><br />
<h3>Thanks for your comments</h3><br />
Message received from <?php echo($username); ?><br><br />
Reply to <?php echo($useraddr); ?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Forms and PHP==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
//index.htm<br />
<html><br />
<body><br />
<form action="index.php" method="post"><br />
Your Name:<br><br />
<input type="text" name="name" size="20" maxlength="20" value=""><br><br />
Your Email:<br><br />
<input type="text" name="email" size="20" maxlength="40" value=""><br><br />
<input type="submit" value="go!"><br />
</form><br />
</body><br />
</html><br />
<br />
//index.php<br />
<html><br />
<head><br />
<title></title><br />
</head><br />
<body><br />
<?<br />
print "Hi, $name!. Your email address is $email";<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Handling Special Characters==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<html><br />
<body><br />
<?php<br />
if ($_POST["submitted"] == "yes"){<br />
$yourname = $_POST["yourname"];<br />
$yourname = trim ($yourname);<br />
$yourname = strip_tags ($yourname);<br />
$yourname = htmlspecialchars ($yourname);<br />
$yourname = addslashes ($yourname);<br />
<br />
echo $yourname . "<br />";<br />
?><a href="index.php">Try Again</a><?php<br />
}<br />
if ($_POST["submitted"] != "yes"){<br />
?><br />
<form action="index.php" method="post"><br />
<p>Example:</p><br />
<input type="hidden" name="submitted" value="yes" /><br />
Your Name: <input type="text" name="yourname" maxlength="150" /><br /><br />
<input type="submit" value="Submit" style="margin-top: 10px;" /><br />
</form><br />
<?php<br />
}<br />
?><br />
</div><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==multivalue-forms.php==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
if (isset($_POST["submit"]))<br />
{<br />
echo "You like the following languages:<br />";<br />
foreach($_POST["languages"] AS $language) echo "$language<br />";<br />
}<br />
?><br />
<form action="index.php" method="post"><br />
Check all that apply): <br />
<input type="checkbox" name="languages[]" value="csharp" />C#<br /><br />
<input type="checkbox" name="languages[]" value="jscript" />JavaScript<br /><br />
<input type="checkbox" name="languages[]" value="perl" />Perl<br /><br />
<input type="checkbox" name="languages[]" value="php" />PHP<br /><br />
<input type="submit" name="submit" value="Go!" /><br />
</form><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Saying "Hello"==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
if (array_key_exists("my_name",$_POST)) {<br />
print "Hello, ". $_POST["my_name"];<br />
} else {<br />
print<<<_HTML_<br />
<form method="post" action="$_SERVER[PHP_SELF]"><br />
Your name: <input type="text" name="my_name"><br />
<br/><br />
<input type="submit" value="Say Hello"><br />
</form><br />
_HTML_;<br />
}<br />
?><br />
<br />
</source></div>
Admin