How to Get Multiple Values of Selected Checkboxes in PHP ?

Hi Guys,

In this example,I will learn you how to get multiple values of selected checkboxes in php.you can easy and simply get multiple values of selected checkboxes in php.

our primary goal is to get values of multiple checked or selected checkboxes and implement checkboxes validation in PHP 7.

Step 1: Create Form with Multiple Checkboxes

Create a form using HTML form element, define input field with the type="checkbox" value. The checkArr[] is an array object which is defined in the name-value, which is used to communicate with the PHP.

<form action="" method="post">
  <label>
    Laravel
    <input type="checkbox" name="checkArr[]" value="Laravel">
  </label>
  <label>
    Java
    <input type="checkbox" name="checkArr[]" value="Java">
  </label>
  <label>
    HTML
    <input type="checkbox" name="checkArr[]" value="HTML">
  </label>
  <label>
    CSS
    <input type="checkbox" name="checkArr[]" value="CSS">
  </label>
  <input type="submit" name="submit" value="Choose options" />
</form>

Step 2: Read Multiple Values from Selected Checkboxes

The isset($_POST[‘submit’]) method checks whether the submit value is declared or not.

In the isset function, we are employing another validation and making sure whether the checkboxes’ values are set or not using the empty() function.

Use the foreach() loop to iterate over every selected value of checkboxes and print on the user screen.

<?php
  if(isset($_POST['submit'])){
      if(!empty($_POST['checkArr'])){
      foreach($_POST['checkArr'] as $checked){
        echo $checked."</br>";
      }
    }
  }
?>

Step 3: Checkboxes Validation in PHP

To add the validation in checkboxes, place the following code in your PHP template.

<?php
  if(isset($_POST['submit'])){
      if(!empty($_POST['checkArr'])){
        foreach($_POST['checkArr'] as $checked){
          echo $checked . '<br>';
        }
      } else {
        echo '<div class="error">Checkbox is not selected!</div>';
      }
  }
?>

It will help you...