PHP: Get all Childs, Sub Childs, Sub sub child Nodes… of a given Parent node

my Software Development Factory

Hello, I today while developing a system, a stage came when i needed to find the child nodes of a given parent node. at first i looks simple but actually it isn’t. You can understand the siuation well by taking an example of a joint family where one grand father lives with his all children in a house and all those children have their own children living in the same house and so on. And the question is ” How to find all the children (complete sub tree) of a specific father” ?

Here i have developed a way for you to do this. Actually i have a table structured as all the children and parents exist in the same  table having their own parent ID’s(if children) and no Parent IDs(if Parents). So when you want to find all the child nodes and we do not know the level of…

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