How do I execute a PHP function using ajax? I have multiple functions on my script page but I want to call a single function.

<?php
    function one(){return 1;}
    function two(){return 2;}
?>

$("#form").on('submit',(function(e){
    e.preventDefault();
    
    $.ajax({
        url: "process.php",
        type: "POST",
        data: new FormData(this),
        contentType: false,
        cache: false,
        processData:false,
        success: function(response){
            alert(response);
        }
    });
}));

<script src=".9.1.js"></script>

<form action="" method="POST" id="form">
    <input type="text" name="text" id="text" />
    <button type="submit" id="submit">Upload</button>
</form>

How do I execute a PHP function using ajax? I have multiple functions on my script page but I want to call a single function.

<?php
    function one(){return 1;}
    function two(){return 2;}
?>

$("#form").on('submit',(function(e){
    e.preventDefault();
    
    $.ajax({
        url: "process.php",
        type: "POST",
        data: new FormData(this),
        contentType: false,
        cache: false,
        processData:false,
        success: function(response){
            alert(response);
        }
    });
}));

<script src="http://code.jquery./jquery-1.9.1.js"></script>

<form action="" method="POST" id="form">
    <input type="text" name="text" id="text" />
    <button type="submit" id="submit">Upload</button>
</form>

• javascript
• php
• jquery
• ajax

• What you want to do you want to send data through AJAX and get the PHP response or something else ? – S4NDM4N Commented Oct 23, 2017 at 5:41
• 1 pass an additional parameter in your ajax post which you can then check on the php page using isset and then run the specific function that you want to execute – Dhaval Chheda Commented Oct 23, 2017 at 5:41
• Possible duplicate of Calling a specific function from PHP with Jquery & Ajax – Mehravish Temkar Commented Oct 23, 2017 at 5:47

2 Answers 2

Use Get param "action"

$("#form").on('submit', (function(e) {
  e.preventDefault();

  $.ajax({
    url: "process.php?action=one",
    type: "POST",
    data: new FormData(this),
    contentType: false,
    cache: false,
    processData: false,
    success: function(response) {
      alert(response);
    }
  });
}));

<script src="http://code.jquery./jquery-1.9.1.js"></script>

<form action="" method="POST" id="form">
  <input type="text" name="text" id="text" />
  <button type="submit" id="submit">Upload</button>
</form>

Then in your process.php file, just catch the "action"

function one(){
 return 1;
}
function two(){
 return 2;
}


if ( isset($_GET['key']) && !empty(isset($_GET['key'])) ) {
  $action = $_GET['key'];
  
  switch( $action ) {
    case "one":{
       return 1; // or call here one();
    }break;

    case "two":{
       return 2; // or call here two();
    }break;

    default: {
      // do not forget to return default data, if you need it...
    }
  }
}

You can call a specific function of your PHP code via AJAX by following few changes in your AJAX call and PHP code.

Eg: AJAX:

$.ajax({
    url: "yourphpfile.php",
    data: "function=one", // or function=two if you want the other to be called
   /* other params as needed */
});

Then in yourphpfile.php code,

<?php

function one(){return 1;}
function two(){return 2;}

    if(isset($_GET['function'])) {
        if($_GET['function'] == 'one') {
            function one() // call function one
        } elseif($_GET['function'] == 'two') {
            //function two() // call function two
        }
    }
?>