Pro PHP- Patterns, Frameworks, Testing and More

CHAPTER 7 ■ REFLECTION API^85

foreach($tokens as $token) {

//Switch on the token's code

switch( $token[0] ) {

case DOCBLOCK_TEXT: //Equiv to case 36:

//If there is no tag found yet, text is a comment

if(!isset($tagid)) {

$comments[] = $token[1];

} else {

//If the tag already has data append to it.

if(array_key_exists($tagid, $tagdata)) {

//Pad the data with a space and concat

$tagdata[$tagid] .= ' '. trim($token[1]);

} else {

//If the tag doesn't exist, create it for the first time.

$tagdata[$tagid] = trim($token[1]);

}

}

break;

case DOCBLOCK_TAG:

//Assign a unique id to this tag.

$tagid = uniqid();

//Remember the mapping of unique id to tag name.

$tags[$tagid] = trim($token[1], '@ ');

}

}

//Join the array with unique id with the tag names

$compiled = array();

foreach($tagdata as $tagid => $data) {

$tagName = $tags[$tagid];

/*

Create arrays where there are multiple tags

of the same name.

*/

if(array_key_exists($tagName, $compiled)) {

if(!is_array($compiled[$tagName])) {

$oldData = $compiled[$tagName];

$compiled[$tagName] = array();

$compiled[$tagName][] = $oldData;

}

$compiled[$tagName][] = $data;

} else {

$compiled[$tagName] = $data;

}

}

print_r($comments);

print_r($compiled);

McArthur_819-9C07.fm Page 85 Friday, February 22, 2008 8:59 AM