Function: array_udiff_assoc version 41

Function:
Description: Returns the entries of arr1 that have values which are not present in any of the others arguments but do additional checks whether the keys are equal. Entries are compared by user supplied function.
Version:
Status: latest
Date: 2011-12-20 04:37
Summary: Import from phpjs.
Programmer: jj5
Code
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function array_udiff_assoc (arr1) {
    // http://jsphp.co/jsphp/fn/view/array_udiff_assoc
    // +   original by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: array_udiff_assoc({0: 'kevin', 1: 'van', 2: 'Zonneveld'}, {0: 'Kevin', 4: 'van', 5: 'Zonneveld'}, function (f_string1, f_string2){var string1 = (f_string1+'').toLowerCase(); var string2 = (f_string2+'').toLowerCase(); if (string1 > string2) return 1; if (string1 == string2) return 0; return -1;});
    // *     returns 1: {1: 'van', 2: 'Zonneveld'}
    var retArr = {},
        arglm1 = arguments.length - 1,
        cb = arguments[arglm1],
        arr = {},
        i = 1,
        k1 = '',
        k = '';
    cb = (typeof cb === 'string') ? this.window[cb] : (Object.prototype.toString.call(cb) === '[object Array]') ? this.window[cb[0]][cb[1]] : cb;

    arr1keys: for (k1 in arr1) {
        for (i = 1; i < arglm1; i++) {
            arr = arguments[i];
            for (k in arr) {
                if (cb(arr[k], arr1[k1]) === 0 && k === k1) {
                    // If it reaches here, it was found in at least one array, so try next value
                    continue arr1keys;
                }
            }
            retArr[k1] = arr1[k1];
        }
    }

    return retArr;
}
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