php_similar_char 2984 standard/string.c sum += php_similar_char(txt1, pos1, php_similar_char 2988 standard/string.c sum += php_similar_char(txt1 + pos1 + max, len1 - pos1 - max, php_similar_char 3023 standard/string.c sim = php_similar_char(t1, t1_len, t2, t2_len);