Question

86

How to pass the javascript variable value to php variable?

rated 0 times [ 89] [ 3] / answers: 1 / hits: 16399 / 11 Years ago, wed, september 4, 2013, 12:00:00

this is my javascript code

<script type=text/javascript>

    function MyFunc(lang){

    var ll = lang;              

    //alert(ll);

    }

</script>

my html code

<form  method=post action=mypage.php?>>

   <div>    

    <input type='image' src='/images/flags/us.png' name='US' value='en_EN' onclick='MyFunc(this.value)'/>   

<input type='image' src='/images/flags/it.png' name='IT' value='it_IT' onclick='MyFunc(this.value)'/> 

<input type='image' src='/images/flags/fr.png' name='FR' value='fr_FR' onclick='MyFunc(this.value)'/> 

    </div>

now how can i send the javascript var ll value to mypage.php

Actually I want the image alt value to pass it, How it is possible please give some idea..

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jimmieo

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answered 11 Years ago robinh · Accepted Answer

create a hidden field inside the <form>

<input type=hidden name=ll id=ll>

in javascript

<script type=text/javascript>

    function MyFunc(lang){

        var ll=document.getElementById('ll');

        ll.value=lang;

    }

</script>

and then you have ll in PHP, when you submit the form.

update

I guess you wonder if you have links instead of a form, like this? :

<a href=# class='lang'><img src=images/flags/it.png alt=it_IT /></a>

<a href=# class='lang'><img src=images/flags/fr.png alt=fr /></a>

<a href=# class='lang'><img src=images/flags/us.png alt=en_EN /></a>

And you just want to reload the page with ll containing the desired language code?

<script type=text/javascript>

$('.lang').click(function() {

    var lang = $(this).find('img').attr('alt');

    document.location.href='mypage.php?ll='+lang;

});

</script>

Will reload your page, eg ex mypage.php?ll=it_IT. As with the form accessible in mypage.php through $_GET['ll']

Using jQuery here, since you have it on your tag-list (and it was the far easiest / fastest to produce :)