Edit next version 65 | JsPHP: a JavaScript library providing the PHP API

Function: next version 65

Function:	next View next Edit next Edit code Edit tests Edit benchmark View latest code Edit latest code Benchmark next Comment on next Comment on the latest code View revisions View versions View contributors View dependencies View comments View links Download production code Download development code View the PHP docs View phpjs.org View phpjs.org raw code
Description:	Move array argument's internal pointer to the next element and return it.

Version:	65 View this version Edit this version Comment on this version Diff this version
Status:	latest
Date:	2011-12-20 04:40
Summary:	Import from phpjs.
Programmer:	jj5

Edit function

Code:

function next (arr) {
    // http://jsphp.co/jsphp/fn/view/next
    // +   original by: Brett Zamir (http://brett-zamir.me)
    // %        note 1: Uses global: php_js to store the array pointer
    // *     example 1: transport = ['foot', 'bike', 'car', 'plane'];
    // *     example 1: next(transport);
    // *     example 1: next(transport);
    // *     returns 1: 'car'
    // BEGIN REDUNDANT
    this.php_js = this.php_js || {};
    this.php_js.pointers = this.php_js.pointers || [];
    var indexOf = function (value) {
        for (var i = 0, length = this.length; i < length; i++) {
            if (this[i] === value) {
                return i;
            }
        }
        return -1;
    };
    // END REDUNDANT
    var pointers = this.php_js.pointers;
    if (!pointers.indexOf) {
        pointers.indexOf = indexOf;
    }
    if (pointers.indexOf(arr) === -1) {
        pointers.push(arr, 0);
    }
    var arrpos = pointers.indexOf(arr);
    var cursor = pointers[arrpos + 1];
    if (Object.prototype.toString.call(arr) !== '[object Array]') {
        var ct = 0;
        for (var k in arr) {
            if (ct === cursor + 1) {
                pointers[arrpos + 1] += 1;
                return arr[k];
            }
            ct++;
        }
        return false; // End
    }
    if (arr.length === 0 || cursor === (arr.length - 1)) {
        return false;
    }
    pointers[arrpos + 1] += 1;
    return arr[pointers[arrpos + 1]];
}

JsPHP: a JavaScript library providing the PHP API

Function: next version 65

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