(PHP 4, PHP 5, PHP 7) Convert all applicable characters to HTML entities

(PHP 5, PHP 7) Uuencode a string string convert_uuencode

(PHP 4, PHP 5, PHP 7) Output one or more strings

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Parses input from a string according to a format

(PHP 4, PHP 5, PHP 7) Join array elements with a string

(PHP 5, PHP 7) Find the position of the first occurrence of a case-insensitive substring in a string

(PHP 4, PHP 5, PHP 7) Quote meta characters string

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 5, PHP 7) Binary safe comparison of two strings from an offset, up to length characters

(PHP 4, PHP 5, PHP 7) Make a string's first character uppercase