Php 如何删除symfony中未定义的变量名?
我在symfony中创建了一个表单,在controller中我得到了post值,但当我得到值时,如果变量不存在,它会显示未定义的变量,这是我的控制器:Php 如何删除symfony中未定义的变量名?,php,symfony,Php,Symfony,我在symfony中创建了一个表单,在controller中我得到了post值,但当我得到值时,如果变量不存在,它会显示未定义的变量,这是我的控制器: for($i=1; $i<=$itemscounter; $i++){ if($i==1){ $items = $_POST['items']; $description=$_POST['descrip
for($i=1; $i<=$itemscounter; $i++){
if($i==1){
$items = $_POST['items'];
$description=$_POST['description'];
$unitprice=$_POST['unitprice'];
$quantity=$_POST['quantity'];
$linetotal=$_POST['linetotal'];
}else {
$items = $_POST['items'.$i];
$description=$_POST['description'.$i];
$unitprice=$_POST['unitprice'.$i];
$quantity=$_POST['quantity'.$i];
$linetotal=$_POST['linetotal'.$i];
}
$entity->setInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
}else{
$items = $_POST['items'];
$description=$_POST['description'];
$unitprice=$_POST['unitprice'];
$quantity=$_POST['quantity'];
$linetotal=$_POST['linetotal'];
$entity->setInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
for($i=1;$isetInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
}否则{
$items=$_POST['items'];
$description=$_POST['description'];
$unitprice=$_POST['unitprice'];
$quantity=$_POST['quantity'];
$linetotal=$_POST['linetotal'];
$entity->setInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
但当控制器获取值items2、description2、unitprice2、quantity2、linetotal2时不存在如何删除此错误?当控制器获取值时,如果items2未发布,则它在items中不存储任何值,则我的ItemsCenter值为6。您应该像php一样使用基本php。 但我想这更多的是你的代码逻辑的问题。你应该使用像items[description]这样的html名称,这很容易使用 我清理了一点你的代码。你不应该使用复制意大利面
for($i=1; $i<=$itemscounter; $i++){
if($i==1){
$suffix= '';
}else{
$suffix = $i;
}
if( isset($_POST['items'.$suffix])
&& isset($_POST['description'.$suffix])
......) {
$items = $_POST['items'.$suffix];
$description=$_POST['description'.$suffix];
$unitprice=$_POST['unitprice'.$suffix];
$quantity=$_POST['quantity'.$suffix];
$linetotal=$_POST['linetotal'.$suffix];
$entity->setInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
for($i=1;$isetInvoiceid($invoiceid);
$entity->setInvoiceitemsid($items);
$entity->setDescription($description);
$entity->setUnitPrice($unitprice);
$entity->setQuantity($quantity);
$entity->setlinetotal($linetotal);
$em->persist($entity);
$em->flush();
$em->clear();
}
您使用的是$form->handleRequest($request)
吗?不,我不使用$form->handleRequest($request),它可以为您完成大部分工作。我建议您查看一下。