How does dreamweaver see PHP source code

PHP He open source how to use Dreamweaver to see the PHP source Ah
Say
$a =array ("a" = "Dog", "b" = "Cat", "C" and "Horse");
echo array_shift ($a);
Print_r ($a);
?>

I want to see how the Array_shift come true. Do you have shortcut keys?
Because I used to write C + + on the VS can be directly shortcut keys can see the implementation of the function

Reply to discussion (solution)

You're going to see the PHP kernel.
P.S you see the prototype is not the realization of the ~

You're going to see the PHP kernel.
P.S you see the prototype is not the realization of the ~

See the PHP kernel? No way.... I used to see the C + + can be directly read PHP is not so chicken.

Look at the php file, the extensions are all C compiled.

Array_shift is the PHP kernel thing, you download PHP source code to see C source bar.
http://www.php.net/downloads.php

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