For clarification, this isn't checking if the value is the default value, it's checking if the property is. The description wasn't as clear as the notes in return. For example:
<?php
class A{
public $foo = 'bar';
}
$a = new A();
$a->foo = 'nope';
$a->new_prop = 'Hello World';
// assume $a_ref_* are your reflection property classes
echo $a_ref_foo->isDefault(); // TRUE even though we changed the value, the property is a default property
echo $a_ref_new_prop->isDefault();// FALSE we added the new_prop property, it's not default
?>
ReflectionProperty::isDefault
(PHP 5, PHP 7, PHP 8)
ReflectionProperty::isDefault — Checks if property is a default property
说明
Checks whether the property was declared at compile-time, or whether the property was dynamically declared at run-time.
参数
此函数没有参数。
返回值
true if the property was declared at compile-time, or false if
it was created at run-time.
示例
示例 #1 ReflectionProperty::isDefault() example
<?php
class Foo {
public $bar;
}
$o = new Foo();
$o->bar = 42;
$o->baz = 42;
$ro = new ReflectionObject($o);
var_dump($ro->getProperty('bar')->isDefault());
var_dump($ro->getProperty('baz')->isDefault());
?>以上示例会输出：
bool(true) bool(false)
add a note
User Contributed Notes 1 note
aronREPLACE-WITH-A-DOTduby at gmail dot com ¶
10 years ago
