Is this correct? How can this problem be solved?

Is this correct? $ Pvrowmysql_fetch_array ($ result); if ($ pvrow) {this indicates that the following execution is performed when mysql_fetch_array has content ------ solution ------------------ no problem, if no, false is returned. Is Returnsanarrayofstringsthatcorresp correct?
$ Pvrow = mysql_fetch_array ($ result );
If ($ pvrow)
{

This shows that the following execution is performed only when mysql_fetch_array has content.

------ Solution --------------------
No problem. If no problem exists, false is returned.

Returns an array of strings that corresponds to the fetched row, or FALSE if there are no more rows.