QUESTION: 81

What is the output of the following code?
function append($str)
{
$str = $str.'append';
}
function prepend(&$str)
{
$str = 'prepend'.$str;
}
$string = 'zce';
append(prepend($string));
echo $string;

zceappend
prependzceappend
prependzce
zce

Answer(s): C

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QUESTION: 82

CORRECT TEXT
What is the output of the following code?
function increment ($val)
{
$val = $val + 1;
}
$val = 1;
increment ($val);
echo $val;

1

Answer(s): A

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QUESTION: 83

CORRECT TEXT
What is the output of the following code?
function increment ($val)
{
++$val;
}
$val = 1;
increment ($val);
echo $val;

1

Answer(s): A

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QUESTION: 84

CORRECT TEXT
What is the output of the following code?
function increment ($val)
{
$_GET['m'] = (int) $_GET['m'] + 1;
}
$_GET['m'] = 1;
echo $_GET['m'];

1

Answer(s): A

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