(PHP 4, PHP 5, PHP 7) Count the number of substring occurrences

(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) Output one or more strings

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

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

(PHP 4, PHP 5, PHP 7) Set locale information

(PHP 5, PHP 7) Write a formatted string to a stream

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

(PHP 4, PHP 5, PHP 7) Return a specific character

(PHP 4, PHP 5, PHP 7) Quote string with slashes in a C style