- 2015-10-01strcoll
- 2015-10-01strcmp
- 2015-10-01strchr
- 2015-10-01strcasecmp
- 2015-10-01str_word_count
- 2015-10-01str_split
- 2015-10-01str_shuffle
- 2015-10-01str_rot13
- 2015-10-01str_replace
- 2015-10-01str_repeat
- 2015-10-01str_pad
- 2015-10-01str_ireplace
- 2015-10-01sscanf
- 2015-10-01sprintf
- 2015-10-01soundex
- 2015-10-01similar_text
- 2015-10-01sha1_file
- 2015-10-01sha1
- 2015-10-01setlocale
- 2015-10-01rtrim