I want a checkbox to be checked by default, [duplicate] - php

Question

This question already has answers here:
How can I set the default value for an HTML <select> element?
(34 answers)
Closed 6 years ago.
When will I update my semester that time by default a checkbox to be checked how it possible ?
<select name="semester">
<option value="">Select Semester</option>
<option value="1">Semester 1</option>
<option value="2">Semester 2</option>
<option value="3">Semester 3</option>
</select>

Answer 1

You can use the selected attribute.
<select name="semester">
<option value="">Select Semester</option>
<option value="1" selected="selected">Semester 1</option>
<option value="2">Semester 2</option>
<option value="3">Semester 3</option>
</select>

Answer 2

Please try this
<select name="semester">
<option value="">Select Semester</option>
<option value="1" <?php if($data['semester']==1){echo 'selected';}?>>Semester 1</option>
<option value="2" <?php if($data['semester']==2){echo 'selected';}?>>Semester 2</option>
<option value="3" <?php if($data['semester']==3){echo 'selected';}?>>Semester 3</option>
</select>

Answer 3

If you want to select semester 2 so here you go:
HTML:
<select name="semester">
<option value="">Select Semester</option>
<option value="1">Semester 1</option>
<option value="2" selected>Semester 2</option>
<option value="3">Semester 3</option>
</select>
Jquery:
$("select option").each(function(){
if ($(this).text() == "Semester 2")
$(this).attr("selected","selected");
});

Answer 4

yes,it possible. you have to use selected in <option>
<select name="semester">
<option value="">Select Semester</option>
<option value="1" selected>Semester 1</option>
<option value="2">Semester 2</option>
<option value="3">Semester 3</option>
</select>
DEMO

Answer 5

<option value="1" <?= ($value=='1')?'selected':"" ?>>Semester 1</option>
<option value="2" <?= ($value=='2')?'selected':"" ?>>Semester 2</option>
<option value="3" <?= ($value=='3')?'selected':"" ?>>Semester 3</option>
you can get the value form database or session,

Answer 6

We really need your specific PHP code to help, but perhaps this generic example will show you how to do this when you have your data and your desired value:
<?php
//Your array of data
$myData = array(
'1' => 'Semester 1',
'2' => 'Semester 2',
'3' => 'Semester 3');
//The value you want to be selected
$myValue = "2";
?>
<select name="semester">
<option value="">Select Semester</option>
<?php
foreach($myData as $key => $value){
echo ('<option value="'.$key.'"' );
if( $myValue == $key){
echo( ' selected="selected" ');
}
echo ('>'.$value.'</option');
echo "\n";
}
?>
</select>