php中多选提交如何获取,php中checkbox值获取，显示，多选值获取

php教程中checkbox值获取&＃xff0c;显示&＃xff0c;多选值获取

最简单checkbox获取值代码

demo

checkbox

demo

demonstrates checkboxes

&＃61;"handleformcheckbox.php">

• &＃61;"11.00">fries

• &＃61;"chksoda"  value &＃61;"12.85">soda

• &＃61;"checkbox" name &＃61;"chkshake" value &＃61;"1.30">shake

• &＃61;".05">ketchup

&＃61;"submit">

实例

values

$food &＃61;

$_get[food];

$self &＃61; htmlentities($_server[&＃39;php_self&＃39;]);

if

(!empty($food)) {

echo "the foods selected are:
";

foreach($food as $foodstuf)

{

echo

"".htmlentities($foodstuf)."
";

}

}

else

{

echo ("

echo

(&＃39;method&＃61;"get">

italian

/>

mexican

type&＃61;"checkbox" name&＃61;"food[]" value&＃61;"mexican" />

chinese

value&＃61;"chinese"

checked&＃61;"checked" />

>&＃39;);

}

?>

多选checkbox

$options &＃61; array(&＃39;option 1&＃39;, &＃39;option 2&＃39;, &＃39;option 3&＃39;);

$valid &＃61; true;

if (is_array($_get[&＃39;input&＃39;])) {

$valid &＃61;

true;

foreach($_get[&＃39;input&＃39;] as $input) {

if

(!in_array($input, $options)) {

$valid &＃61; false;

}

}

if ($valid) {

//process input

}

}

?>

实例checkbox多值获取

values

$food &＃61;

$_get["food"];

if (!empty($food)){

echo "the foods selected are:

";

foreach($food as $foodstuff){

echo &＃39;

/>&＃39;.htmlentities($foodstuff);

}

echo

".";

}

else {

echo (&＃39;

italian

value&＃61;"italian" />

mexican

type&＃61;"checkbox" name&＃61;"food[]" value&＃61;"mexican" />

chinese

value&＃61;"chinese" checked&＃61;"checked" />

}

?>