Other changes
  
   - 
    
     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
     SplObjectStorage.
    
   
- 
    
     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 FALSEwhen session startup
     fails.
- 
    
     property_exists() now checks the existence of a property
     independent of accessibility (like method_exists()).
    
   
- 
    
     Stream wrappers can now be used by 
     include_path.
    
   
- 
    
     The initialparameter 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),
     which passes O_NONBLOCKto 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.