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How can I pass variables and data from PHP to JavaScript?

We can transfer data from PHP to JavaScript in two ways depending on the situation. First, we can pass data using a simple assignment operator if we want to perform an operation on the same page. Otherwise, we can transfer data from PHP to JavaScript using Cookies. Cookies work on the client side.Program 1:This program transfers variables and data from PHP to JavaScript using an assignment operator.
 
< title > How to pass variables and data from PHP to JavaScript? < / title > < / head > "text-align: center;" >

" color: green; " > GeeksforGeeks < / h1 >

How to pass variables and data from PHP to JavaScript? < / h4> $name = " Hello World " ; ?> < script type = " text / javascript " > var x = " $name "?>" ; document.write (x); < / script >  
Output: Here we simply accept data statically or dynamically and pass it to a JavaScript variable using an assignment operator. The PHP code in the JavaScript block converts it to the final output, then passes it to the variable x, and then the value of x is output.Program 2:This program transfers variables and data from PHP in JavaScript using cookies.
 
< title > How to pass variables and data from PHP to JavaScript? < / title > < / head > "text-align: center;" >

" color: green; " > GeeksforGeeks < / h1 >

How to pass variables and data from PHP to JavaScript? < / h4> // Initialize the cookie name $cookie_name = "user" ; $cookie_value = "raj" ; // Set cookie setcookie ( $cookie_name , $cookie_value ); if (! isset ( $_ COOKIES [ $cookie_name ])) { print ( "Cookie created |" ); } ?> < script type = " text / javascript " > var x = document.cookie ; document.write (x); < / script >  
Output: PHP provides a method to set cookies using the setCookie() method. Here we can set data or variable in PHP cookie and extract it from JavaScript using document.cookie.Steps to run the program:
  • Install a local server like XAMPP server on your system.
  • Save the file in the htdocs folder using the name engineer.php
  • Start the Apache server.
  • Open a browser, type localhost / engineer.php in the address bar and press Enter.
  • This will show the result.

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