Can anonymous functions be called by the variable value?

Question

I have a loop that iterates through values in an array.

for ($i = 0; $i < count($tables); $i++) {
    $tables[$i]['form'] = function() {
    // function stuff
    };
}

How can I now call my functions using the values from the array as the function names?

The function generates HTML for a plugin options page that sits in the Wordpress admin area. There are a number of tabs that allow users to view, edit and delete records in database tables. Each function represents the view/edit/delete options for a different table. Since users can add or delete their own tables, there needs to be a way of dynamically generating these pages. — Mark
– Mark, Commented Mar 3, 2014 at 7:55
possible duplicate of Create functions in a loop with names from elements in an array in php — Jeff Lambert
– Jeff Lambert, Commented Mar 3, 2014 at 15:46

Ray · Accepted Answer · 2014-03-02 14:23:01Z

1

You can call it directly:

    $tables[1]['form']();

Or with call_user_func:

   call_user_func($tables[$i]['form']);

Parameters to your function are passes as additional parameters to the call_user_func() for example:

 $tables[1]['form'] = function($a){echo $a;};
 call_user_func($tables[1]['form'], 'booo');
 //would echo out 'booo'

answered Mar 2, 2014 at 14:16

Ray

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