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uphp:functions:call_user_func

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uphp:functions:call_user_func [2017/02/18 12:47]
jeff created 		uphp:functions:call_user_func [2017/02/20 15:33]
jeff
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-======call_user_function======+======call_user_func======
 <badge>WMPRO, WMMINI FW > 1.0</badge> <badge>WMMEGA FW > 2.0</badge> <badge>WMPRO, WMMINI FW > 1.0</badge> <badge>WMMEGA FW > 2.0</badge>
  
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 ====Description==== ====Description====
-<well size="sm"><html><span style="font-size:125%;color:green;">mixed <span style="color:black;"></html>[[call_user_function]]<html> ( <span style="color:green;">string <span style="color:blue;">$function_name <span style="color:black;">[, <span style="color:green;">mixed <span style="color:blue;">$parameters <span style="color:black;">... ] )</html></well>+<well size="sm"><html><span style="font-size:125%;color:green;">mixed 
 +<span style="color:black;"></html>[[call_user_func]] 
 +<html>( 
 +<span style="color:green;">string 
 +<span style="color:blue;">$function_name 
 +<span style="color:black;">[, 
 +<span style="color:green;">mixed 
 +<span style="color:blue;">$parameters 
 +<span style="color:black;">... ] ) 
 +</html></well>
 Return result as defined by the user function  Return result as defined by the user function 
  
 ====Parameters==== ====Parameters====
-<html><span style="color:blue;"><b>function_name</b><span style="color:black;"></html>: String containing the name of the user function to call+<html><span style="color:blue;"><b>function_name</b><span style="color:black;"></html>:  String containing the name of the user function to call
  
-<html><span style="color:blue;"><b>parameters</b><span style="color:black;"></html>: Optional parameters to pass to the function+<html><span style="color:blue;"><b>parameters</b><span style="color:black;"></html>:  Optional parameters to pass to the function
  
 ====Return Value==== ====Return Value====
-The result of the function can be of any type depending on the way the function is defined+Any type depending on the way the function is defined
  
 ====Example==== ====Example====
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 print($result); // result is 4 print($result); // result is 4
 ?></code> ?></code>
- 
-====Additional Information==== 
-If called from within a function, the [[uphp:statements:return]] statement immediately ends execution of the current function, and returns its argument as the value of the function call. 
  
 ====See Also==== ====See Also====
 +[[uphp:statements:function]] - Define a function
 +
 [[uphp:statements:return]] - Return program control to the calling module [[uphp:statements:return]] - Return program control to the calling module
  
-[[print()]] - Output data to the current output stream such as a web page or terminal+====Additional Information==== 
 +User defined functions can take many different forms, and it is not necessary to use [[call_user_func()]] to execute a function unless a direct return value is needed. 
 + 
 +If used within a function, the [[uphp:statements:return]] statement immediately ends execution of the function, and returns its argument as the value of the function call.
uphp/functions/call_user_func.txt · Last modified: 2021/09/13 05:57 (external edit)

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