@ -17,16 +17,23 @@ ext/standard
similar_text()
str_pad()
str_repeat()
strip_tags()
strcspn()
stripslashes()
strpbrk()
strpos()
strrchr()
strrev()
strrpos()
strspn()
strstr()
strtok()
substr()
substr_count()
substr_replace()
trim()
ucwords()
ucfirst()
Zend Engine