(PHP 4, PHP 5, PHP 7) Output a formatted string

(PHP 4, PHP 5, PHP 7) Convert logical Hebrew text to visual text with newline conversion

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Output a formatted string

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Calculate the sha1 hash of a file

(PHP 4, PHP 5, PHP 7) Make a string uppercase

(PHP 5, PHP 7) Case-insensitive version of

(PHP 5 >= 5.1.0, PHP 7) Convert special HTML entities back to characters

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Query language and locale information

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Randomly shuffles a string

(PHP >= 5.4.0) Decodes a hexadecimally encoded binary string