$this->md5 = md5( $this->tex );
$dbr =& wfGetDB( DB_SLAVE );
- $rpage = $dbr->getArray( 'math',
+ $rpage = $dbr->selectRow( 'math',
array( 'math_outputhash','math_html_conservativeness','math_html','math_mathml' ),
array( 'math_inputhash' => pack("H32", $this->md5)), # Binary packed, not hex
$fname