Benchmark: Prepared Statements in Array

/*
		// version 1
		// 1. run 0.14501937151
		// 2. run 0.145541801453
		// 3. run 0.141622686386
		// fastest run 0.0934751033783
		while ($field = $meta->fetch_field()) {
			$row[] = &$fields[$field->name];
		}
		call_user_func_array(array($stmt, 'bind_result'), $fields);
		unset($meta, $row);
		$i = 0;
		while ($stmt->fetch()) {
			foreach ($fields as $k => $v) {
				$data[$i][$k] = $v;
			}
			$i++;
		}
		unset($stmt);
*/
/*
		// version 2
		// 1. run 0.163174314501
		while ($field = $meta->fetch_field()) {
			$row[] = &$fields[$field->name];
		}
		unset($meta);
		call_user_func_array(array($stmt, 'bind_result'), $fields);
		while ($stmt->fetch()) {
			foreach ($fields as $k => $v) {
				$c[$k] = $v;
			}
			$data[] = $c;
		}
		unset($stmt);
*/
/*
		// version 3
		// 1. run 0.164394264222
		$bind_result = '$stmt->bind_result(';
		while ($field = $meta->fetch_field()) {
			$bind_result .= '$fields["'.$field->name.'"],';
		}
		unset($meta);
		eval(rtrim($bind_result, ',') . ');');
		while ($stmt->fetch()) {
			foreach ($fields as $k => $v) {
				$row[$k] = $v;
			}
			$data[] = $row;
		}
		unset($stmt);
*/
/*
		// version 4
		// 1. run 0.202926313878
		while ($field = $meta->fetch_field()) {
			$row[] = &$fields[$field->name];
		}
		unset($meta);
		call_user_func_array(array($stmt, 'bind_result'), $fields);
		$copy = create_function('$a', 'return $a;');
		while ($stmt->fetch()) {
			$data[] = array_map($copy, $fields);
		}
		unset($stmt);
*/
/*
		// version 5
		// 1. run 0.147740311622
		// 2. run 0.144599089624
		$bind_result = '$stmt->bind_result(';
		while ($field = $meta->fetch_field()) {
			$bind_result .= '$fields["'.$field->name.'"],';
		}
		unset($meta);
		eval(rtrim($bind_result, ',') . ');');
		$i = 0;
		while ($stmt->fetch()) {
			foreach ($fields as $k => $v) {
				$data[$i][$k] = $v;
			}
			$i++;
		}
		unset($stmt);
*/
/*
		// version 6
		// 1. run 0.199761638641
		while ($field = $meta->fetch_field()) {
			$row[] = &$fields[$field->name];
		}
		unset($meta);
		call_user_func_array(array($stmt, 'bind_result'), $fields);
		while ($stmt->fetch()) {
			$data[] = array_map($copy, $fields);
		}
		unset($stmt);
*/
/*
		// version 7
		// 1. run 0.145406525135
		// 2. run 0.147244937418
		// 3. run 0.146580169201
		// 4. run 0.140648040772 (rtrim removed)
		// 5. run 0.138385720253 ($i used as string and counter)
		// 6. run 0.142242712975 ($i used as string and counter)
		// fastest run 0.0888710021973
		$i = '';
		while ($field = $meta->fetch_field()) {
			$i .= ($i ? ',' : '$stmt->bind_result(') . '$fields["' . $field->name . '"]';
		}
		unset($meta);
		eval($i . ');');
		$i = 0;
		while ($stmt->fetch()) {
			foreach ($fields as $k => $v) {
				$data[$i][$k] = $v;
			}
			$i++;
		}
		unset($stmt);
*/