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<refentry xml:id="reflectionproperty.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionProperty::__construct</refname>
  <refpurpose>Construct a ReflectionProperty object</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <constructorsynopsis role="ReflectionProperty">
   <modifier>public</modifier> <methodname>ReflectionProperty::__construct</methodname>
   <methodparam><type class="union"><type>object</type><type>string</type></type><parameter>class</parameter></methodparam>
   <methodparam><type>string</type><parameter>property</parameter></methodparam>
  </constructorsynopsis>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>class</parameter></term>
     <listitem>
      <para>
       Either a string containing the name of the class to reflect, or an object.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>property</parameter></term>
     <listitem>
      <para>
       The name of the property being reflected.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   Trying to get or set private or protected class property's values
   will result in an exception being thrown.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><methodname>ReflectionProperty::__construct</methodname> example</title>
    <programlisting role="php">
<![CDATA[
<?php
class Str
{
    public $length  = 5;
}

// Create an instance of the ReflectionProperty class
$prop = new ReflectionProperty('Str', 'length');

// Print out basic information
printf(
    "===> The%s%s%s%s property '%s' (which was %s)\n" .
    "     having the modifiers %s\n",
        $prop->isPublic() ? ' public' : '',
        $prop->isPrivate() ? ' private' : '',
        $prop->isProtected() ? ' protected' : '',
        $prop->isStatic() ? ' static' : '',
        $prop->getName(),
        $prop->isDefault() ? 'declared at compile-time' : 'created at run-time',
        var_export(Reflection::getModifierNames($prop->getModifiers()), 1)
);

// Create an instance of Str
$obj= new Str();

// Get current value
printf("---> Value is: ");
var_dump($prop->getValue($obj));

// Change value
$prop->setValue($obj, 10);
printf("---> Setting value to 10, new value is: ");
var_dump($prop->getValue($obj));

// Dump object
var_dump($obj);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
===> The public property 'length' (which was declared at compile-time)
     having the modifiers array (
  0 => 'public',
)
---> Value is: int(5)
---> Setting value to 10, new value is: int(10)
object(Str)#2 (1) {
  ["length"]=>
  int(10)
}
]]>
    </screen>
   </example>
   <example>
    <title>Getting value from private and protected properties using <classname>ReflectionProperty</classname> class</title>
    <programlisting role="php">
<![CDATA[
<?php

class Foo {
    public $x = 1;
    protected $y = 2;
    private $z = 3;
}

$obj = new Foo;

$prop = new ReflectionProperty('Foo', 'y');
$prop->setAccessible(true);
var_dump($prop->getValue($obj)); // int(2)

$prop = new ReflectionProperty('Foo', 'z');
$prop->setAccessible(true);
var_dump($prop->getValue($obj)); // int(2)

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
int(2)
int(3)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionProperty::getName</methodname></member>
    <member><link linkend="language.oop5.decon.constructor">Constructors</link></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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