Exploring function and set notation

0.defining_function.html

<script>

  /**
   * An example function in JavaScript
   *
   * @param int     myInt
   * @param string  myString
   *
   * @return string
   */
  function myFunction( myInt, myString ) {

    // do stuff here...
    
    // when done...
    return myResult;
  }
</script>

1.defining_function.php

<?php

/**
 * An example function in PHP
 *
 * @param int     $my_param
 * @param string  $my_other_param
 *
 * @return string
 */
function my_function( $my_param, $my_other_param ) {

  // do stuff here...
  
  // when done...
  return $my_result;
}