Tell me more ×
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's 100% free, no registration required.
up vote 0 down vote favorite

Please help,

I am trying to call a php function from an external php file into the javascript. My code is different and large.So i am writing a sample code here.

This is my php code

<?php
function add($a,$b){
  $c=$a+$b;
  return $c;
}
function mult($a,$b){
  $c=$a*$b;
  return $c;
}

function divide($a,$b){
  $c=$a/$b;
  return $c;
}
?>

This is my javascript code

<script>
  var phpadd= add(1,2); //call the php add function
  var phpmult= mult(1,2); //call the php mult function
  var phpdivide= divide(1,2); //call the php divide function
</script>

So this is what i wanna do. My original php file doesnt include these mathematical functions but the idea is same.

If somehow it doesnt have proper solution then please suggest me the alternative but it should call values from external php.

Please Help!!

share|improve this question
7  
php is server side js is client side. You'll need to use ajax or page refresh with gets/posts or try creating a js equivalent function. –  Class Apr 2 at 6:43

7 Answers

up vote 2 down vote

Try This

<script>
  var phpadd= <?php echo add(1,2);?> //call the php add function
  var phpmult= <?php echo mult(1,2);?> //call the php mult function
  var phpdivide= <?php echo divide(1,2);?> //call the php divide function
</script>
share|improve this answer
up vote 2 down vote

You need to create an API : Your js functions execute AJAX requests on your web service

  var mult = function(arg1, arg2)
    $.ajax({
      url: "webservice.php?action=mult&arg1="+arg1+"&arg2="+arg2
    }).done(function(data) {
      console.log(data);
    });
  }

on the php side, you'll have to check the action parameter in order to execute the propre function (basically a switch statement on the $_GET["action"] variable)

share|improve this answer
up vote 0 down vote

If you actually want to send data to a php script for example you can do this:

The php:

<?php
$a = $_REQUEST['a']
$b = $_REQUEST['b'] //totally sanitized

echo $a + $b;
?>

Js (using jquery):

$.post("/path/to/above.php", {a: something, b: something}, function(data){                                          
  $('#somediv').html(data);
});
share|improve this answer
up vote 0 down vote

Yes, you can do ajax request to server with your data in request parameters, like this ( very simple ) :

jQuery.ajax({
    type: "POST",
    url: 'your_functions_address.php',
    dataType: 'json',
    data: {functionname: 'add', arguments: [1, 2]},

    success: function (obj, textstatus) {
                  if( !('error' in obj) ) {
                      yourVariable = obj.result;
                  }
                  else {
                      console.log(obj.error);
                  }
            }
});

and your_functions_address.php like this:

<?php
    $aResult = array();

    if( !isset($_POST['functionname']) ) { $aResult['error'] = 'No function name!'; }

    if( !isset($_POST['arguments']) ) { $aResult['error'] = 'No function arguments!'; }

    if( !isset($aResult['error']) ) {

        switch($_POST['functionname']) {
            case 'add':
               if( !is_array($_POST['arguments']) || (count($_POST['arguments']) < 2) ) {
                   $aResult['error'] = 'Error in arguments!';
               }
               else {
                   $aResult['result'] = add(floatval($_POST['arguments'][0]), floatval($_POST['arguments'][1]));
               }
               break;

            default:
               $aResult['error'] = 'Not found function '.$_POST['functionname'].'!';
               break;
        }

    }

    json_encode($aResult);

?>
share|improve this answer
up vote 0 down vote

Try looking at CASSIS. The idea is to mix PHP with JS so both can work on client and server side.

share|improve this answer
up vote 0 down vote

index.php

<body>
...
<input id="Div7" name="Txt_Nombre" maxlenght="100px" placeholder="Nombre" />
<input id="Div8" name="Txt_Correo" maxlenght="100px" placeholder="Correo" />
<textarea id="Div9" name="Txt_Pregunta" placeholder="Pregunta" /></textarea>

<script type="text/javascript" language="javascript">

$(document).ready(function() {
    $(".Txt_Enviar").click(function() { EnviarCorreo(); });
});

function EnviarCorreo()
{
    jQuery.ajax({
        type: "POST",
        url: 'servicios.php',
        data: {functionname: 'enviaCorreo', arguments: [$(".Txt_Nombre").val(), $(".Txt_Correo").val(), $(".Txt_Pregunta").val()]}, 
         success:function(data) {
        alert(data); 
         }
    });
}
</script>

servicios.php

<?php   
    include ("correo.php");

    $nombre = $_POST["Txt_Nombre"];
    $correo = $_POST["Txt_Corro"];
    $pregunta = $_POST["Txt_Pregunta"];

    switch($_POST["functionname"]){ 

        case 'enviaCorreo': 
            EnviaCorreoDesdeWeb($nombre, $correo, $pregunta);
            break;      
    }   
?>

correo.php

<?php
    function EnviaCorreoDesdeWeb($nombre, $correo, $pregunta)
    { 
       ...
    }
?>
share|improve this answer
up vote 0 down vote

I wrote some script for me its working .. I hope it may useful to you 

<?php
if(@$_POST['add'])
{
function add()
{
   $a="You clicked on add fun";
   echo $a;
}
add();
}
else if (@$_POST['sub']) 
{
function sub()
{
   $a="You clicked on sub funn";
echo $a;  
}
sub();  
}
?>
<form action="<?php echo $_SERVER['PHP_SELF'];?>" method="POST">

<input type="submit" name="add" Value="Call Add fun">
<input type="submit" name="sub" Value="Call Sub funn">
<?php echo @$a; ?>

</form>
share|improve this answer
 
In my local system i checked it its working for me .... :) –  Naresh Oct 18 at 13:03

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.