ifx_errormsg
    (PHP 3>= 3.0.4, PHP 4 , PHP 5)
ifx_errormsg -- Returns error message of last Informix call
Description
string 
ifx_errormsg ( [int errorcode])
     Returns the Informix error message associated with the most
     recent Informix error, or, when the optional
     "errorcode" parameter is present, the error
     message corresponding to "errorcode".
    
     
Example 1. ifx_errormsg() example 
printf("%s\n<br>", ifx_errormsg(-201));
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     See also ifx_error().