PHP-常量对象数组
我有一个对象数组。如下面的代码所示:PHP-常量对象数组,php,object,constants,Php,Object,Constants,我有一个对象数组。如下面的代码所示: Class fileHeadFootBlock { public $offset; public $id; public $length; public $version; } $FILE_HEADER = array(); // This array contains all file header block constant //race1UP file vers
Class fileHeadFootBlock {
public $offset;
public $id;
public $length;
public $version;
}
$FILE_HEADER = array(); // This array contains all file header block constant
//race1UP file version
$FH_FILEVER = new fileHeadFootBlock();
$FH_FILEVER->offset = 18;
$FH_FILEVER->id = hexdec('FF');
$FH_FILEVER->length = hexdec('3E');
$FH_FILEVER->version = 'File ver: v.20120521 beta (gen from matlab)';
array_push($FILE_HEADER, $FH_FILEVER);
//race1UP hardware version
$FH_RERHWVER = new fileHeadFootBlock();
$FH_RERHWVER->offset = $FH_FILEVER->offset + $FH_FILEVER->length;
$FH_RERHWVER->id = hexdec('FE');
$FH_RERHWVER->length = hexdec('60');
$FH_RERHWVER->version = 'HARDWARE VERSION: v.20120521 beta.';
array_push($FILE_HEADER, $FH_RERHWVER);
FileHeadFoodBlock类型的对象数组是$FILE\u头
问题如下:
使$FILE_头保持不变的最佳方法是什么?数组的每个元素及其字段($offset,$id.$length,$version)都应该是共因数
问候,,
Alex如果您想保留您的数据,则无法更改您的数据文件。您可以将它们设置为私有的,并且只能在构造函数中设置 例如:
Class fileHeadFootBlock {
private $offset;
private $id;
private $length;
private $version;
public function __construct($offset, $id, $length, $version)
{
$this->offset = $offset;
$this->id = $id;
$this->length = $length;
$this->version = $version;
}
/**
* @return mixed
*/
public function getId()
{
return $this->id;
}
/**
* @return mixed
*/
public function getOffset()
{
return $this->offset;
}
/**
* @return mixed
*/
public function getVersion()
{
return $this->version;
}
/**
* @return mixed
*/
public function getLength()
{
return $this->length;
}
}
$FILE_HEADER = array();
//race1UP file version
$FH_FILEVER = new fileHeadFootBlock(18, 'FF', '3E', 'File ver: v.20120521 beta (gen from matlab)');
array_push($FILE_HEADER, $FH_FILEVER);
//race1UP hardware version
$FH_RERHWVER = new fileHeadFootBlock($FH_FILEVER->getOffset() + $FH_FILEVER->getLength(), 'FE', '60', 'HARDWARE VERSION: v.20120521 beta.');
array_push($FILE_HEADER, $FH_RERHWVER);
如果您想保留您的数据,请不要更改。您可以将它们设置为私有的,并且只能在构造函数中设置 例如:
Class fileHeadFootBlock {
private $offset;
private $id;
private $length;
private $version;
public function __construct($offset, $id, $length, $version)
{
$this->offset = $offset;
$this->id = $id;
$this->length = $length;
$this->version = $version;
}
/**
* @return mixed
*/
public function getId()
{
return $this->id;
}
/**
* @return mixed
*/
public function getOffset()
{
return $this->offset;
}
/**
* @return mixed
*/
public function getVersion()
{
return $this->version;
}
/**
* @return mixed
*/
public function getLength()
{
return $this->length;
}
}
$FILE_HEADER = array();
//race1UP file version
$FH_FILEVER = new fileHeadFootBlock(18, 'FF', '3E', 'File ver: v.20120521 beta (gen from matlab)');
array_push($FILE_HEADER, $FH_FILEVER);
//race1UP hardware version
$FH_RERHWVER = new fileHeadFootBlock($FH_FILEVER->getOffset() + $FH_FILEVER->getLength(), 'FE', '60', 'HARDWARE VERSION: v.20120521 beta.');
array_push($FILE_HEADER, $FH_RERHWVER);
为什么它们必须是常量?我解决了让它成为私有成员为什么它们必须是常量?我解决了让它成为私有成员