Practice every MCQ with options. Use Show answers when you want the correct option and solution.
81
Questions
2/5
Page
Pick an option on a question to see the right answer and solution.
<?php
function calc(tax="")
{
price + (tax);
echo "$total";
}
calc(42);
?>Select an option to see the answer and solution.
<?php
function a()
{
function b()
{
echo 'I am b';
}
echo 'I am a';
}
a();
a();
?>Select an option to see the answer and solution.
<?php
function a()
{
function b()
{
echo 'I am b';
}
echo 'I am a';
}
b();
a();
?>Select an option to see the answer and solution.
<?php
$op2 = "blabla";
function foo($op1)
{
echo $op1;
echo $op2;
}
foo("hello");
?>Select an option to see the answer and solution.
<?php
function foo($msg)
{
echo "$msg";
}
$var1 = "foo";
$var1("will this work");
?>
Select an option to see the answer and solution.
<?php
echo "chr(52)";
?>Select an option to see the answer and solution.
<?php
echo ord ("hi");
?>Select an option to see the answer and solution.
<?php
echo(atan(0.50));
?>
Select an option to see the answer and solution.
<?php
define("GREETING","Hello you! How are you today?");
echo constant("GREETING");
?>Select an option to see the answer and solution.
<?php
define("GREETING1","Hello you! How are you today?");
define("GREETING2","Hello you! How are you today?");
define("GREETING3","Hello you! How are you today?");
echo defined("GREETING");
?>Select an option to see the answer and solution.
<?php
function sum(num2)
{
num1 + $num2;
echo "chr($total)";
}
$var1 = "sum";
$var1(5, 44);
?>Select an option to see the answer and solution.
<?php
function sum(num2)
{
num1 + $num2;
echo "cos($total)";
}
sum(5,-5);
?>Select an option to see the answer and solution.
<?php
function b()
{
echo "b is executed";
}
function a()
{
b();
echo "a is executed";
b();
}
a();
?>Select an option to see the answer and solution.
<?php
function addFunction(num2)
{
num1 + $num2;
return $sum;
}
$return_value = addFunction(10, 20);
echo "Returned value from the function : $return_value"
?>Select an option to see the answer and solution.
<?php
function sayHello()
{
echo "HelloWorld<br />";
}
$function_holder = "sayHello";
$function_holder();
?>Select an option to see the answer and solution.
span>
function one()
{
echo " this works";
function two()
{
echo "this too works";
}
}
one();
two();
?>Select an option to see the answer and solution.
<?php
function do($myString)
{
echo strpos($myString, "donkey",0);
}
do("The donkey looks like a horse.");
?>Select an option to see the answer and solution.
<?php
function onespan>()
{
define("const","I am awesome!");
echo constant("const");
}
one();
?>Select an option to see the answer and solution.
<?php
$title = "O'malley wins the heavyweight championship!";
echo ucwords($title);
?>Select an option to see the answer and solution.
<?php
echo str_pad("Salad", 5)." is good.";
?>Select an option to see the answer and solution.