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phorge-phorge/src/applications/phid/utils.php

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<?php
/**
* Look up the type of a PHID. Returns
* PhabricatorPHIDConstants::PHID_TYPE_UNKNOWN if it fails to look up the type
*
* @param phid Anything.
* @return A value from PhabricatorPHIDConstants (ideally)
*/
function phid_get_type($phid) {
$matches = null;
if (is_string($phid) && preg_match('/^PHID-([^-]{4})-/', $phid, $matches)) {
return $matches[1];
}
return PhabricatorPHIDConstants::PHID_TYPE_UNKNOWN;
}
/**
* Group a list of phids by type. Given:
*
* phid_group_by_type([PHID-USER-1, PHID-USER-2, PHID-PROJ-3])
*
* phid_group_by_type would return:
*
* [PhabricatorPHIDConstants::PHID_TYPE_USER => [PHID-USER-1, PHID-USER-2],
* PhabricatorPHIDConstants::PHID_TYPE_PROJ => [PHID-PROJ-3]]
*
* @param phids array of phids
* @return map of phid type => list of phids
*/
function phid_group_by_type($phids) {
$result = array();
foreach ($phids as $phid) {
$type = phid_get_type($phid);
$result[$type][] = $phid;
}
return $result;
}