Build and then call a function : Definition « Functions « PHP

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PHP » Functions » Definition 
Build and then call a function
 
<?php

  function helloworld (){
    echo "Hello World!<br />";
  }

  helloworld();
  
  function saysomething ($something){
    echo $something . "<br />";
  }
  Saysomething ("Hello World!")//This would output "Hello World!"

  function addvalues ($firstvalue, $secondvalue){
    return $firstvalue + $secondvalue;
  }
  $newvalue = addvalues (1,3)
  echo $newvalue; 

?>
  
  
Related examples in the same category
1. Create function from string
2. Declaring a Simple Function
3. Function printing text on a Web Page
4. Declaring a Function
5. A Simple User Function
6. A Function Requiring Two Arguments
7. A Function to Build Query Strings
8. A function that calculates sales tax
9. Accessing a Global Variable from Within a Function
10. Call the function
11. Create a User Function
12. Defining functions before or after calling them
13. Creating and calling a function that accepts arguments
14. Define constant in a function
15. nesting functions
16. global key word in a function
17. Variables Defined Outside Functions Are Inaccessible from Within a Function by Default
18. Using nested functions
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