JavaScript within the PHP Script

Question

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I have created the following php script with javascript using a text editor and to run the php file I used XAMPP. But when I run the file I got an error. I saved the PHP file with the .php extension. At the below I am inserting the source code and the error message please try to solve my problem!

XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <title>PHP With JavasCript</title>
</head>
<body>
    <?php

        $a = 15;
        
        if($a > 10){
            echo "<script type="text/javascript">
            
                    document.write("OK!");            
            
                </script>";
        }
    
    
    ?>
</body>
</html>


Parse error: syntax error, unexpected 'text' (T_STRING), expecting ',' or ';' in C:\xampp\htdocs\HND_WEB\PHP\PHP_with_JavaScript.php on line 13

Posted 22-Sep-12 23:17pm

Chiranthaka Sampath

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Comments

[no name] 23-Sep-12 5:21am

Count the number of quotes on that line....

[no name] 23-Sep-12 5:21am

and then add a ;

Chiranthaka Sampath 23-Sep-12 5:38am

I have change the source code as at the below but gives the same result

<pre>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>PHP With JavasCript</title>
</head>
<body>
10){
echo <script language = "JavaScript" type="text/javascript">;

document.write("OK!");

</script>;
}

?>
</body>
</html>

</pre

3 solutions

Solution 2

Another way to solve it, without adding backslashes is "heredoc" syntax:

PHP

<?php
    $a = 15;
    if($a > 10){
        echo <<<JAVASCRIPT
<script type="text/javascript">
  document.write("OK!");
</script>
JAVASCRIPT;
    }
?></javascript>

Posted 23-Sep-12 1:47am

Graham Breach

Updated 23-Sep-12 4:26am

v2

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Huseyin Atasoy · Accepted Answer · 2012-09-22T23:55:00

Solution 1

You have to insert escape character (\) before each double quote that is inside a double-quoted string.

PHP

<?php
    $a = 15;
    if($a > 10){
        echo "<script type=\"text/javascript\">
                document.write(\"OK!\");
            </script>";
    }
?>

Posted 22-Sep-12 23:55pm

Huseyin Atasoy

Comments

Chiranthaka Sampath 23-Sep-12 6:31am

Ok dude I owe you! The problem was solved many thanx!

Isuru Nanayakkara · Accepted Answer · 2012-09-23T01:51:00

Solution 3

Huseyin Atasoy's escaping characters methods works well.

Or you could simply put single quotes(') around the echoing string like this.

PHP

echo '<script type="text/javascript">
          document.write("OK!");        
      </script>';
?>

That works too.

Posted 23-Sep-12 1:51am

Isuru Nanayakkara