PHP Functions Essential Reference

extract

int extract(array array, [int collision_flag], [string prefix]) 

array	Array containing data to extract
collision_flag	What to do on a name collision (see description)
prefix	Prefix to give to extracted variables

Imports variables into the local symbol table from an array.

Returns:

Void in versions of PHP prior to 4.0.5; in 4.0.5 and later versions, returns the number of elements extracted

Description:

This function iterates through the array given by array and, for each element, creates a variable in the local scope that’s named by the key of the element and whose value is the value of the element.

There are a couple of issues of which you should be aware. First, if a variable in the local scope has the same name as one of the ...