("连接失败: " . $conn->connect_error); } $sql = "SELECT option_value FROM options_table"; $result = $conn->query($sql); $options = array(); if ($result->num_rows > 0) { while($row = $result->fetch_assoc()) { $options[] = $row["option_value"]; } } $conn->close(...
Description: Return the number of keys in selected database. Parameters None. Return value INTEGER: DB size, in number of keys. Example $count = $redis->dbSize(); echo "Redis has $count keys\n"; flushAll Description: Remove all keys from all databases. Parameters async (bool) requires se...
<select name="searchitem"> <option value="sno" selected=true>学号</option> <option value="cno">课程号</option> 61 <option value="score">成绩</option> </select> 关键词: <input type="text" size="10" name="searchvalue"> <input type="submit" name="submit1" value="查询"> </form>...
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在 Laravel 9.x 中,将调用 cast 类的 set 方法,并使用 null 作为提供的 $value 参数。因此,应确保自定义强制转换能够充分处理这个场景:/** * Prepare the given value for storage. * * @param \Illuminate\Database\Eloquent\Model $model * @param string $key * @param AddressModel $value * @param...
The General tab includes settings that you need to specify for a database connection. The set of fields and controls on the tab depends on the option selected in the Connection type list. Item Description Connection type A connection type that you want to use for the database connection. URL...
isset($category_array[$category_id])) { return ""; } foreach($category_array[$category_id] AS $key => $category) { if ($category['id'] == $default_category) { echo "<option selected value=".$category['id'].""; } else { echo "<option value=".$category['id'].""; } if...
7public function isSelected($option) 8{ 9 return $option === $this->selected; 10}You may execute this method from your component template by invoking the variable matching the name of the method:1<option {{ $isSelected($value) ? 'selected="selected"' : '' }} value="{{ $value }}...
mysql_select_db($database_localhost, $localhost); $query_consignee = sprintf("SELECT * FROM user_consignee WHERE user_id = %s and is_delete=0 order by is_default desc", $colname_consignee); $consignee = mysql_query($query_consignee, $localhost) or die(mysql_error()); $row_consig...
{{ 2*(@page-1) }} {{ (int)765.29+1.2e3 }} <option value="F" {{ @active?'selected="selected"':'' }}>Female</option> {{ var_dump(@xyz) }} <p>That is {{ preg_match('/Yes/i',@response)?'correct':'wrong' }}!</p> {{ @obj->property }}...