Section Eight - Functions

Language: PHP
display_error_message( );
 
function display_error_message( ) {
 
$error_text = "Error Detetceted";
print $error_text;
}
 
$this_is_fun="fun -ctions :)";
 
fun_function($this_is_fun);
 
function fun_function($this_is_fun) {
  print "<br>". $this_is_fun;  
}
 
$var1="Variable 1";
$var2="Variable 2";
 
2_arguments($var1,$var2);
 
function 2_arguments($var1,$var2) {
    print "This is ". $var1. "and it is an argument. ". $var2. " is also an argument in the same function"; 
 
}

Language: PHP
$var1="Variable 1";
$var2="Variable 2";
 
two_arguments($var1,$var2);
 
function two_arguments($var1,$var2) {
    print "This is ". $var1. "and it is an argument. ". $var2. " is also an argument in the same "; 
 
}

Language: PHP
<?php
    function add_subt($val1, $val2){
        $add = $val1 + $val2;
        $subt = $val1 - $val2;
        $result = array($add, $subt);
        return $result;    
    }
    $result_array = add_subt(12, 9);
    print("Add " . $result_array[0] . "<br />");
    print("Subtract " . $result_array[1]);
 
    ?>