Use PHP functions in JavaScript

JavaScript array_walk

Apply a user function to every member of an array

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function array_walk (array, funcname, userdata) {
    // Apply a user function to every member of an array  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/array_walk    // +   original by: Johnny Mast (http://www.phpvrouwen.nl)
    // *     example 1: array_walk ({'a':'b'}, 'void', 'userdata');
    // *     returns 1: true
    // *     example 2: array_walk ('a', 'void', 'userdata');
    // *     returns 2: false    
    var key; 
    
    if (typeof array !== 'object' || array === null) {
        return false;    }
    
    for (key in array) {
        if (typeof(userdata) !== 'undefined') {
            eval(funcname + '( array [key] , key , userdata  )' );        } else {
            eval(funcname + '(  userdata ) ');
        }
    }
        return true;
}
external links: original PHP docs | raw js source

Examples

» Example 1

Running

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array_walk ({'a':'b'}, 'void', 'userdata');

Should return

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true

» Example 2

Running

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array_walk ('a', 'void', 'userdata');

Should return

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false

Dependencies

No dependencies, you can use this function standalone.

Open syntax issues

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Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.


Authors

Thanks to the following developers, you get to have array_walk goodness in JavaScript.

Comments

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Use:
[CODE]
your_stuff('here');
[/CODE]
for proper code formatting
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