The chr() function returns a character from the specified ASCII value.
Returns a one-character string containing the character specified by ascii.This function complements ord().
string chr ( int $ascii )
The ASCII value can be specified in decimal, octal, or hex values. Octal values are defined by a leading 0, while hex values are defined by a leading 0x.
The extended ASCII code.
Values outside the valid range (0..255) will be bitwise and'ed with 255, which is equivalent to the following algorithm:
Returns the specified character.