单选题

如下代码输出为 <?php $array = array(1 =&...

Question

如下代码输出为

<?php
$array = array(1
=> 'blue', 2 => 'red', 3 => 'green', 4 => 'red')
$key =
array_search('green', $array)
print $key
?>

A. TRUE

B. FALSE

C. 1

D. 3