If $recursive is FALSE, it returns just a 'flat' array of $parent's direct subblocks. If $recursive is TRUE, it builds a tree of template blocks using $parent as root. Tree structure is compatible with PEAR::Tree's Memory_Array driver.
Paramètres
string
$parent
parent block name
boolean
$recursive
whether to return a tree of child blocks (TRUE) or a 'flat' array (FALSE)
