(PHP 4, PHP 5, PHP 7) Find length of initial segment not matching mask

(PHP 4, PHP 5, PHP 7) Tokenize string string

(PHP 4, PHP 5, PHP 7) Parses the string into variables

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

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

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

(PHP 4, PHP 5, PHP 7) Repeat a string string

(PHP 4, PHP 5, PHP 7) Convert a quoted-printable string to an 8 bit string

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

(PHP 4, PHP 5, PHP 7) Replace text within a portion of a string