The callback function passes a function as a parameter to the called function. If the callback type parameter is displayed in the format description of the function, the function is the callback function. Although you can use variable functions to declare your own callback functions, most of them are implemented through the & amp; nbsp; call_user_func_array () function. The previous section describes the declaration and application of variable functions in php callback functions. using variable functions, you can pass a user-defined execution process to the functions, greatly increased the user's extension of function functions, put... the callback function passes a function as a parameter to the called function. If the callback type parameter is displayed in the format description of the function, the function is the callback function. Although you can use the variable function to declare your own callback function, the most is implemented through the call_user_func_array () function. The previous section describes the declaration and application of variable functions in php callback functions. using variable functions, you can pass a user-defined execution process to the functions, this greatly increases the user's extension of function functions, and uploads a defined function to the function for internal use. This section describes the call_user_func_array () function. The call_user_func_array () function is a built-in function in PHP. In fact, it is also a callback function. Its format is described as follows: mixed call_user_func_array (callback function, array param_a
1. callback function of php function (2) call_user_func_array () function
Introduction: A callback function transmits a function as a parameter to the called function. If the callback type parameter is displayed in the format description of the function, the function is the callback function.
2. php call_user_func_array () function usage example
Introduction: php call_user_func_array () function usage example
3. demonstration of call_user_func_array () function usage in PHP _ PHP Tutorial
Introduction: Usage demonstration of call_user_func_array () function in PHP. Call_user_func_array (PHP 4 = 4.0.4, PHP 5) call_user_func_array -- Call a user function given with an array of parameters Description mixed call_user_func_array (callback function
4. call_user_func function and call_user_func_array function parsing _ PHP Tutorial
Introduction: call_user_func function and call_user_func_array function parsing. Today, by accident, I again saw the call_user_func_array () function in php in the official CodeIgniter document. I also encountered this function in the discuz Forum code last year.
5. disposal of void function PHP5.3
Introduction: copy and paste the processing method of the void function in PHP5.3... the void function is as follows: call_user_method () (replace with call_user_func () call_user_method_array () (replace with call_user_func_array () define_syslog_variables () dl () ereg () (use
6. how to solve a warning in php wordpress
Introduction: a Warning for php wordpress: call_user_func_array () expects parameter 1 to be a valid callback, function 'portfile' not found or invalid function name in/home/wwwroot/bocserver
7. php _ call () and call_user_func_array ()
Introduction: php _ call () and call_user_func_array () comprehension 1. mixed _ call (string name, array arguments) The magic method _ call () allows to capture invocation of non existing methods. that way
8. replaced by an abandoned function in PHP5.3
Introduction: does PHP5.3 discard function substitution? Call_user_method () (use call_user_func () instead )???? Call_user_method_array () (replace call_user_func_array )???? Define_syslog_variables ()???? Dl ()???? Er
9. Is there any problem with the wordpress Bible source code?
Introduction: Is there a problem with the wordpress Bible source code? The wordpress Bible provides an example of Chapter 5: Extending WordPress with Plugins. I encountered this problem during my trial. For more information, see Warning: call_user_func_array ()&
10. usage demonstration of call_user_func_array () function in PHP
Introduction: Usage demonstration of call_user_func_array () function in PHP. Call_user_func_array (PHP 4 = 4.0.4, PHP 5) call_user_func_array -- Call a user function given with an array of parameters Description mixed call_user_func_array (callback function
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Php-what is the difference between calling a function back and forth using call_user_func_array () and directly using a function?
The above is the details of the call_user_func_array () function definition and usage summary. For more information, see other related articles in the first PHP community!