Php dynamic variable binding usage

Php dynamic variable binding usage

This example describes how to use php to dynamically bind variables. Share it with you for your reference. The details are as follows:

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Private function bindVars ($ stmt, $ params ){ If ($ params! = Null ){ $ Types = ''; // initial sting with types Foreach ($ params as $ param ){ // For each element, determine type and add If (is_int ($ param )){ $ Types. = 'I'; // integer } Elseif (is_float ($ param )){ $ Types. = 'D'; // double } Elseif (is_string ($ param )){ $ Types. ='s '; // string } Else { $ Types. = 'B '; // Blob and unknown } } $ Bind_names [] = $ types; // First param needed is the type string // Eg: 'isss' For ($ I = 0; $ I <count ($ params); $ I ++ ){ // Go through incoming params and added em to array $ Bind_name = 'bind'. $ I; // Give them an arbitrary name $ Bind_name = $ params [$ I]; // Add the parameter to the variable $ Bind_names [] = & $ bind_name; // Now associate the variable as an element in an array } // Call the function bind_param with dynamic params Call_user_func_array (array ($ stmt, 'Bind _ param'), $ bind_names ); } Return $ stmt; // return the bound statement

I hope this article will help you with php programming.