A PHP Error was encountered

Severity: 8192

Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

Filename: libraries/Filtered_db.php

Line Number: 23

if we run this code so what will be the output:
Q:

if we run this code so what will be the output:

0

if we run this code so what will be the output:

int *m();
    void main()
    {
        int k = m();
        printf("%d", k);
    }
    int *m()
    {
        int a[2] = {5, 8};
        return a;
    }

  1. 8
  2. varies
  3. 5
  4. No output

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Correct Answer:

varies

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