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;

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Functions

Question

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;

Options

Azceappend
Bprependzceappend
Cprependzce
Dzce

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Topics

#pass by reference#function composition#string concatenation#nested calls

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