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compact

compact -- Create array containing variables and their values

Description

array compact(string varname | array varnames, [...]);

compact() takes a variable number of parameters. Each parameter can be either a string containing the name of the variable, or an array of variable names. The array can contain other arrays of variable names inside it; compact() handles it recursively.

For each of these, compact() looks for a variable with that name in the current symbol table and adds it to the output array such that the variable name becomes the key and the contents of the variable become the value for that key. In short, it does the opposite of extract(). It returns the output array with all the variables added to it.

Example 1. compact() example

$city = "San Francisco";
$state = "CA";
$event = "SIGGRAPH";

$location_vars = array("city", "state");

$result = compact("event", $location_vars);
      

After this, $result will be array("event" => "SIGGRAPH", "city" => "San Francisco", "state" => "CA").

See also extract().

Note: This function was added in PHP 4.0.

 

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