Pass a php variable to a jQuery function

Question

I have searched and tried several different methods to pass a php $variable to a jQuery function. I can pass a string simply by using myfunction("Hello");. But if I try myfunction(); or myfunction($variable); with or without quotes it fails to run.

<script>

function wholesection(val) {



$( "#whole-section" ).slideUp( "fast", function() {

  });

 $('#label-cemetery').text("Section*");

 $('#poc').val(val);

}

</script>

The above works if I send a literal string enclosed in double quotes, using:

 echo '<script>',

     'wholesection("Hello");',

     '</script>'

;



</head>

<body>

<?php

$variable = "Hello";



 echo '<script>',

     'wholesection('.$variable.');',

     '</script>'

;

Or other similar variants do not work.

'wholesection($variable);',

'wholesection("$variable");',

Thank you in advance,

Russ

Answer 1

Suppose your $variable has value "Hello".

Then this code:

echo 'wholesection('.$variable.');',

is rendrered in html like

wholesection(Hello);

See? You're passing Hello to a function. Not "Hello" but Hello. And Hello is considered a javascript variable. I bet you don't have it.

So, the fix is - add quotes:

echo 'wholesection("'.$variable.'");',

which will be rendered as:

wholesection("Hello");

Pass a php variable to a jQuery function

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