gs gs107 PHP Functions - PHP Functions - Quiz No.2

 <?php function sum($num1, $num2) { $total = $num1 + $num2; echo "chr($total)"; } $var1 = "sum"; $var1(5, 44); ?> 

 <?php function sum($num1, $num2) { $total = $num1 + $num2; echo "cos($total)"; } sum(5,-5); ?> 

 <?php function b() { echo "b is executed"; } function a() { b(); echo "a is executed"; b(); } a(); ?> 

 <?php function sum($x, $y) { $z = $x + $y; return $z; } echo "5 + 10 = " . sum(7,13) . "<br>"; echo "7 + 13 = " . sum(2,4) . "<br>"; echo "2 + 4 = " . sum(5,10); ?> 

 <?php function addFive($num) { $num += 5; } function addSix(&$num) { $num += 6; } $orignum = 10; addFive( &$orignum ); echo "Original Value is $orignum<br />"; addSix( $orignum ); echo "Original Value is $orignum<br />"; ?> 

 <?php function addFunction($num1, $num2) { $sum = $num1 + $num2; return $sum; } $return_value = addFunction(10, 20); echo "Returned value from the function : $return_value" ?> 

 <?php function sayHello() { echo "HelloWorld<br />"; } $function_holder = "sayHello"; $function_holder(); ?> 

 <?php function one() { echo " this works"; function two() { echo "this too works"; } } one(); two(); ?> 

 <?php function do($myString) { echo strpos($myString, "donkey",0); } do("The donkey looks like a horse."); ?> 

 <?php function one() { define("const","I am awesome!"); echo constant("const"); } one(); ?>