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How pass data from PHP file to javascript file?
externaljs. js is a static file. Of course it can’t access PHP data. The only way to pass PHP data to a js file would be to physically alter the file by writing to it in your PHP script, although this is a messy solution at best.
Can I use PHP variable in javascript?
Most of the time you will need to access php variables inside jquery or javascript. If you have simple string value then you can echo this in javascript directly but if you have array type of value and you want to get it in javascript then you have to use json encode method.
How use PHP code in external js file?
quite a common thing to want to do, just rename your js file to “external. js. php” (i use that method, but as long as it ends in php it doesn’t matter what you use really) then just change the src url in your script tags and away you go.
How store javascript value in PHP variable?
After the execution of the javascript code and after assigning the relevant value to the relevant javascript variable, you can use form submission or ajax to send that javascript variable value to use by another php page (or a request to process and get the same php page).
How use external js in HTML?
To include an external JavaScript file, we can use the script tag with the attribute src . You’ve already used the src attribute when using images. The value for the src attribute should be the path to your JavaScript file. This script tag should be included between the tags in your HTML document.
How to pass JavaScript variables to PHP without page reload?
So we use AJAX to interact Javascript with PHP without page reload. AJAX can also be used as an API. one more thing if you have already declared the variable in PHP. before the page load then you can use it with your Javascript example. the above code is correct and it will work. but the code below is totally wrong and it will never work.
How to declare a PHP variable in a JavaScript file?
1) Modify your .htaccess file to include *.js as a valid extension for files to be processed through the PHP Engine. (Google around for this) 2) Change the Javascript file extension from *.js to *.php. 3) Declare variables which are set through PHP within the main PHP/HTML file, rather than the external Javascript file.
Can you pass a PHP string to JavaScript?
The values of these PHP string variables have to be transferred into javascript variables for further processing by javascript (or exposing these values in HTML directly) it is not safe to PHP-echo such variables into HTML (javascript) directly, because some of characters possily contained in them cause malfunction of the HTML.
Can a PHP file be an external JavaScript file?
However, an external javascript file, doesn’t need to have the .js extension, just like css. Therefore, you can also make a php file that outputs js, and do as one of the previous answers suggested, so to put this js code in a .php file: