Mega Code Archive

 

Categories / Php / Functions

 

Format characters for pack( ) and unpack( )

Format character    Data type a                   NUL-padded string A                   Space-padded string h                   Hex string, low nibble first H                   Hex string, high nibble first c                   signed char C                   unsigned char s                   signed short S                   unsigned short n                   unsigned short v                   unsigned short i                   signed int (machine-dependent size and byte order) I                   unsigned int (machine-dependent size and byte order) l                   signed long (32 bit, machine byte order) L                   unsigned long (32 bit, machine byte order) N                   unsigned long (32 bit, big endian byte order) V                   unsigned long (32 bit, little endian byte order) f                   float (machine-dependent size and representation) d                   double (machine-dependent size and representation) x                   NUL byte X                   Back up one byte @                   NUL-fill to absolute position