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Top Forums Programming Looping through multiple arrays in C. Post 303021254 by Azrael on Tuesday 7th of August 2018 10:58:17 AM
Old 08-07-2018
I did try that with pointers several different ways. Just tried it again and for the first time this compiled with no errors:

Code:
#include <stdio.h>
#include <stdlib.h>

int main() {

    int c;
    int *test;
    test = &c;

    int a [5] = {1,2,3,4,5};
    int b [5] = {6,7,8,9,10};

    for(c = 'a'; c <= 'b'; ++c) {
        for (int j = 0; j < 5; j++){
            printf("%d\n", test[j]);
        }
    }
}

The output is uniq, but wrong:

Code:
$ ./canloop
97
757351276
32767
0
4
98
757351276
32767
0
4

I guess I'm not dereferencing it right? Maybe I've just been up too long, but I'm open to more suggestions.
 

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ARRAY_REPLACE(3)							 1							  ARRAY_REPLACE(3)

array_replace - Replaces elements from passed arrays into the first array

SYNOPSIS
array array_replace (array $array1, array $array2, [array $...]) DESCRIPTION
array_replace(3) replaces the values of $array1 with values having the same keys in each of the following arrays. If a key from the first array exists in the second array, its value will be replaced by the value from the second array. If the key exists in the second array, and not the first, it will be created in the first array. If a key only exists in the first array, it will be left as is. If several arrays are passed for replacement, they will be processed in order, the later arrays overwriting the previous values. array_replace(3) is not recursive : it will replace values in the first array by whatever type is in the second array. PARAMETERS
o $array1 - The array in which elements are replaced. o $array2 - The array from which elements will be extracted. o $... - More arrays from which elements will be extracted. Values from later arrays overwrite the previous values. RETURN VALUES
Returns an array, or NULL if an error occurs. EXAMPLES
Example #1 array_replace(3) example <?php $base = array("orange", "banana", "apple", "raspberry"); $replacements = array(0 => "pineapple", 4 => "cherry"); $replacements2 = array(0 => "grape"); $basket = array_replace($base, $replacements, $replacements2); print_r($basket); ?> The above example will output: Array ( [0] => grape [1] => banana [2] => apple [3] => raspberry [4] => cherry ) SEE ALSO
array_replace_recursive(3), array_merge(3). PHP Documentation Group ARRAY_REPLACE(3)
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