Passing a PHP variable to JavaScript [duplicate]

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4条回答

孤城傲影

2021-01-26 12:03

try to do link below:

<?php
//create php test string    
$teststring = "mystring"; 
?>


//Convert Php string to JavaScript string
var testvar = '<?php echo $teststring; ?>' ;
//Display output of the array elements;
alert(testvar);

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栀梦

2021-01-26 12:06

I reinstalled xampp and then made 1 change in c:\xampp\apache\conf\httpd.conf in the mime section section by adding (I did it in line 402 but anywhere in that section should be ok)... AddType application/x-httpd-php .html .htm

NOW IT WORKS!!!!!!!! This looks like a big mistake in the current xampp distribution for Win 7 32-bit.

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猫巷女王i

2021-01-26 12:16
My environment uses templates so this is not copy and paste code. However I was able to pass the variable to Javascript by doing this:
```
$teststring = 'mystring'; 

 $page_headers = <<<PAGEHEADERS
 <script>
    window.onload=function(){   
        var testvar = '$teststring';
        alert(testvar);
    };
</script>
PAGEHEADERS;
```
As long as the php variable is defined first you should be able to get a value from it simply by calling it.
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闹比i

2021-01-26 12:25

You are missing "

var testvar = "<?php echo $teststring; ?>";

Here is a full example

<?php
//create php test string    
$teststring = "mystring"; 
?>


<html>
   <head>
   <script>
   //Convert Php string to JavaScript string
    var testvar = "<?php echo $teststring; ?>" ;
    //Display output of the array elements;
    alert(testvar);
    </script>
    </head>
<body></body>
</html>

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