note 69364 added to function.pg-query-params

From: Date: Sat, 02 Sep 2006 12:17:33 +0000
Subject: note 69364 added to function.pg-query-params
Groups: php.notes 
Request: Send a blank email to php-notes+get-116624@lists.php.net to get a copy of this message
This is a useful function for preventing SQL injection attacks, so, for those of us who are not yet able to upgrade to PHP5.1, here is a replacement function which works similarly on older versions of PHP... <?php # Parameterised query implementation for Postgresql and older versions of PHP if( !function_exists( 'pg_query_params' ) ) { function pg_query_params__callback( $at ) { global $pg_query_params__parameters; return $pg_query_params__parameters[ $at[1]-1 ]; } function pg_query_params( $db, $query, $parameters ) { // Escape parameters as required & build parameters for callback function global $pg_query_params__parameters; foreach( $parameters as $k=>$v ) $parameters[$k] = ( is_int( $v ) ? $v : "'".pg_escape_string( $v )."'" ); $pg_query_params__parameters = $parameters; // Call using pg_query return pg_query( $db, preg_replace_callback( '/\$([0-9]+)/', 'pg_query_params__callback', $query ) ); } } // Example: pg_query_params( $db_resource, "SELECT * FROM table WHERE col1=$1 AND col2=$2", array( 42, "It's ok" ) ); ?> ---- Server IP: 85.116.0.130 Probable Submitter: 88.144.15.254 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.pg-query-params.php Edit -- https://master.php.net/note/edit/69364 Del: integrated -- https://master.php.net/note/delete/69364/integrated Del: useless -- https://master.php.net/note/delete/69364/useless Del: bad code -- https://master.php.net/note/delete/69364/bad+code Del: spam -- https://master.php.net/note/delete/69364/spam Del: non-english -- https://master.php.net/note/delete/69364/non-english Del: in docs -- https://master.php.net/note/delete/69364/in+docs Del: other reasons-- https://master.php.net/note/delete/69364 Reject -- https://master.php.net/note/reject/69364 Search -- https://master.php.net/manage/user-notes.php

« previous php.notes (#116624) next »