Materialize switch - php

Question

Good day.
Trying to create a checkbox (materialize switch), which, if you change it, submits the form. The problem is, that it returns the value as $_POST['statusValue'] ONLY if its originally not checked, if it is - returns null.
Any ideas?
<div class="switch">
<form method="post">
<label style="font-size: 10px">
Off
<input type="checkbox" value="<?php echo $q->questionnaire->questionnaire_id?>" name="statusValue" id="statusValue" onclick='this.form.submit()' <?php echo $q->questionnaire->questionnaire_status == 1 ? 'checked="checked"' : '';?»
<span class="lever"></span>
On
</label>
</form>
</div>

Answer 1

Your question is not clear. I guess what you are trying to achieve in check if the checkbox on the HTML was checked or not by the user.
Below, I wrote you a simple code of how achieving that. After submitting the form the $statusValue variable will contain either "checked" or "not checked" depending on what the user did on the HTML page.
In your HTML (frontend):
<div class="switch">
<form method="post">
<label style="font-size: 10px">
<input type="checkbox" name="statusValue" onChange="this.form.submit()" />
<span class="lever"></span>
</label>
</form>
</div>
In your php (backend):
<?php
isset($_POST['statusValue'])
$statusValue = "checked";
else
$statusValue = "not checked";
?>
If I misunderstood you, comment here so I can help you further.

Answer 2

In this html code I create a function that has two parameters id and status that will pass throught it.
<div class="switch">
<form method="post">
<label style="font-size: 10px">
Off
<input type="checkbox" value="<?php echo $q->questionnaire->questionnaire_id?>" name="statusValue" id="statusValue" onclick="changeStatus('<?php echo $q->questionnaire->questionnaire_id ?>,'<?php echo $q->questionnaire->questionnaire_status ?>')" <?php echo $q->questionnaire->questionnaire_status == 1 ? 'checked="checked"' : '';?»
<span class="lever"></span>
On
</label>
</form>
</div>
Invoking the function changeStatus using Ajax function and avoiding to refresh the page in that time, you press the switch.
<script>
function changeStatus(id,status){
if(habilitado==2) {
var url = 'admin/funciones/desbloquearUsuario.php';
$.ajax({
type:'POST',
url:url,
data:{idUser:id},
error:function(){
alert("It coudn't be disabled");
}
});
}else {
var url = 'admin/funciones/bloquearUsuario.php';
$.ajax({
type: 'POST',
url:url,
data:{idUser:id},
error:function(){
alert("it couldn't be blocked");
}
});
}
}
}
</script>
For this php file desbloquear.php I unblock Users setting value 1
require_once "../../funciones/conexion.php" ;
conexion();
$idUser = $_POST['idUser'];
$habilita = 'UPDATE public."USUARIO" SET "Habilitado"=\'1\' WHERE
"ID"=\''.$idUser.'\'';
pg_query($habilita);
In your php code you can use this. Well in this case, in this php file I block users with the value 2 in my BD
<?php
require_once "../../funciones/conexion.php";
conexion();
$idUser = $_POST['idUser'];
$deshabilita = 'UPDATE public."USUARIO" SET "Habilitado"=\'2\' WHERE
"ID"=\''.$idUser.'\'';
pg_query($deshabilita);