php - zend framework using mysql_real_escape_string in 2 tier server -


in 1 of application i'm using zend framework. web/application server, database server physically different. i'm using mysql_real_escape_string security giving first parameter. , gives me warning "link_identifier not found or no database connection identifier".

when created connection identifier instance , provided stared working. question why not identifying on own.

by default, methods in zend_db_adapter escape input. mysql_real_escape_string superfluous


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