php教程中checkbox值獲取，顯示，多選值獲取

最簡單checkbox獲取值代碼

checkbox

demo

checkbox

demo

demonstrates checkboxes

="handleformcheckbox.php">

• ="11.00">fries

• ="chksoda"? value ="12.85">soda

• ="checkbox" name ="chkshake" value ="1.30">shake

• =".05">ketchup

="submit">

實例

using default checkbox

values

$food =

$_get[food];

$self = htmlentities($_server['php_self']);

if

(!empty($food)) {

echo "the foods selected are:
";

foreach($food as $foodstuf)

{

echo

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

}

}

else

{

echo ("

echo

('method="get">

italian

/>

mexican

type="checkbox" name="food[]" value="mexican" />

chinese

value="chinese"

checked="checked" />

>');

}

?>

多選checkbox

$options = array('option 1', 'option 2', 'option 3');

$valid = true;

if (is_array($_get['input'])) {

$valid =

true;

foreach($_get['input'] as $input) {

if

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

$valid = false;

}

}

if ($valid) {

//process input

}

}

?>

實例checkbox多值獲取

using default checkbox

values

$food =

$_get["food"];

if (!empty($food)){

echo "the foods selected are:

";

foreach($food as $foodstuff){

echo '

/>'.htmlentities($foodstuff);

}

echo

".";

}

else {

echo ('

italian

value="italian" />

mexican

type="checkbox" name="food[]" value="mexican" />

chinese

value="chinese" checked="checked" />

');

}

?>

總結

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