SplFileInfo::getpathinfo() now returns information about
the path name.
SplObjectStorage now has
ArrayAccess support. It is now also possible to
store associative information with objects in
In the GD extension, there is now pixelation support available through
the imagefilter() function.
var_dump() output now includes private object properties.
session_start() now returns
FALSE when session startup
property_exists() now checks the existence of a property
independent of accessibility (like method_exists()).
Stream wrappers can now be used by
initial parameter for
array_reduce() can now be of any type.
The directory functions
opendir(), scandir(), and
dir() now use the default stream context if no explicit
context is passed.
crypt() now has Blowfish and extended DES support, and
crypt() features are now 100% portable. PHP has its own
internal crypt implementation which drops into place when support for
crypt or crypt_r is not found.
getopt() now accepts "long options" on all platforms.
Optional values and = as a separator for short options
are now supported.
fopen() has a new mode option (n),
O_NONBLOCK to the underlying
open() system call. Note that this mode is not currently
supported on Windows.
getimagesize() now supports icon files (.ico).
The mhash extension have moved to PECL, but the
Hash extension have been modified to support
mhash if PHP is compiled with --with-mhash. Note that the
Hash extension does not require the mhash library to be available whether or
not the mhash emulation is enabled.