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copied!<p>a) Tell PDO that you want it to use exceptions for reporting errors</p> <pre><code>$dbh = new PDO("sqlite::memory:"); $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); </code></pre> <p>b) instead of putting the payload paraemters into the sql statement use prepared parametrized statements</p> <pre><code>try { $stmt = $dbh->prepare( 'SELECT * FROM `item` WHERE combo LIKE ? LIMIT 1' ); $stmt->execute( array($value) ); foreach( $stmt as $row ) { ... </code></pre> <p>c) If you still don't get any output try code that unconditionally prints something. E.g. a SELECT Count(*) will always return at least one record (if no error occurs).</p> <pre><code>$stmt = $dbh->prepare( 'SELECT Count(*) as cnt FROM `item` WHERE combo LIKE ?' ); $stmt->execute( array($value) ); foreach( $stmt as $row ) { echo 'Count: ', $row['cnt'], "\n"; } $stmt = null; </code></pre> <hr> <p>edit: self-contained example</p> <pre><code><?php ini_set('display_errors', true); error_reporting(E_ALL); echo "start\n"; try { $dbh = new PDO("sqlite::memory:"); $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $dbh->setAttribute(PDO::ATTR_EMULATE_PREPARES, false); setup($dbh); $stmt = $dbh->prepare('SELECT * FROM item WHERE combo LIKE ? LIMIT 1'); $stmt->execute( array('comboB') ); foreach( $stmt as $row ) { echo $row['name'], " ", $row['style'], " ", $row['appr'], "\n" ; } } catch(Exception $ex) { var_dump($ex); } echo "done.\n"; function setup($dbh) { $dbh->exec(' CREATE TABLE item ( combo TEXT, name TEXT, style TEXT, appr TEXT ) '); $stmt = $dbh->prepare('INSERT INTO item (combo,name,style,appr) VALUES (?,?,?,?)'); $stmt->execute( array('comboA','nameA','styleA','apprA') ); $stmt->execute( array('comboB','nameB','styleB','apprB') ); $stmt->execute( array('comboC','nameC','styleC','apprC') ); } </code></pre>

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