Unicode

1 No errors expected at this point

2 strlen

3 substr (at zero offset)

4 substr (at zero offset RTL-language)

5 substr (non-zero offset)

6 substr (empty string)

7 substr (negative offset)

8 substr (negative offset and specified length)

9 strpos

10 strpos with offset

11 strstr (before needle)

12 strstr (after needle)

13 substr_count

14 ltrim

15 rtrim

16 trim


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