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chapter 26. pear base classes

table of contents
pear
pear_error
intelligent error handling with pear_errorstack
system

the core section provides information about the base classes in pear

pear

table of contents
introduction --  how to handle the pear base class (destructors, error handling)
constants -- predefined constants
pear::pear() -- constructor (package developer related)
pear::_pear() -- deconstructor (package developer related)
pear::getstaticproperty() -- handle static properties (package developer related)
pear::registershutdownfunc() -- set a shutdown function for static classes (package developer related)
pear::iserror() -- checks for a pear_error object
pear::raiseerror() -- create a new pear_error object and optionally specify error-handling instructions
pear::seterrorhandling() -- sets handling of errors generated through pear packages
pear::expecterror() --  add an error code for non-disabling temporary error handling
pear::popexpect() --  removes the last error code for non-disabling temporary error handling
pear::loadextension() -- os independant php extension load

pear provides functions for handling errors and sets the behavoir in case of error. and, it gives package developers a set of functions to make their lives easier.

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