   #PHP Manual Function Reference ftp_systype call_user_func_array

   PHP Manual
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XXXIV. Function Handling functions

Introduction

   These functions all handle various operations involved in working with
   functions.

Requirements

   No external libraries are needed to build this extension.

Installation

   There is no installation needed to use these functions; they are part
   of the PHP core.

Runtime Configuration

   This extension has no configuration directives defined in php.ini.

Predefined Constants

   This extension has no constants defined.

   Table of Contents
   call_user_func_array --  Call a user function given with an array of
          parameters

   call_user_func --  Call a user function given by the first parameter
   create_function -- Create an anonymous (lambda-style) function
   func_get_arg -- Return an item from the argument list
   func_get_args --  Returns an array comprising a function's argument
          list

   func_num_args --  Returns the number of arguments passed to the
          function

   function_exists --  Return TRUE if the given function has been defined

   get_defined_functions --  Returns an array of all defined functions
   register_shutdown_function --  Register a function for execution on
          shutdown

   register_tick_function --  Register a function for execution on each
          tick

   unregister_tick_function --  De-register a function for execution on
          each tick
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