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Add JsonSerializable::jsonSerialize() examples.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@326957 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Adam Harvey 2012-08-03 08:45:49 +00:00
parent 83c2e760cc
commit 3342a471af
1 changed files with 133 additions and 5 deletions
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138
reference/json/jsonserializable/jsonserialize.xml
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@ -14,11 +14,9 @@
<void />
</methodsynopsis>
<para>
Serializes the object to a value that can be serialized natively by
<function>json_encode</function>.
</para>
&warn.undocumented.func;
</refsect1>
<refsect1 role="parameters">
@ -29,11 +27,141 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Return data which should be serialized by <function>json_encode</function>.
Returns data which can be serialized by <function>json_encode</function>,
which is a value of any type other than a <type>resource</type>.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>
<methodname>JsonSerializable::jsonSerialize</methodname> example
returning an <type>array</type>
</title>
<programlisting role="php">
<![CDATA[
<?php
class ArrayValue implements JsonSerializable {
public function __construct(array $array) {
$this->array = $array;
}
public function jsonSerialize() {
return $this->array;
}
}
$array = [1, 2, 3];
echo json_encode(new ArrayValue($array), JSON_PRETTY_PRINT);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
[
1,
2,
3
]
]]>
</screen>
</example>
<example>
<title>
<methodname>JsonSerializable::jsonSerialize</methodname> example
returning an associative <type>array</type>
</title>
<programlisting role="php">
<![CDATA[
<?php
class ArrayValue implements JsonSerializable {
public function __construct(array $array) {
$this->array = $array;
}
public function jsonSerialize() {
return $this->array;
}
}
$array = ['foo' => 'bar', 'quux' => 'baz'];
echo json_encode(new ArrayValue($array), JSON_PRETTY_PRINT);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
{
"foo": "bar",
"quux": "baz"
}
]]>
</screen>
</example>
<example>
<title>
<methodname>JsonSerializable::jsonSerialize</methodname> example
returning an <type>integer</type>
</title>
<programlisting role="php">
<![CDATA[
<?php
class IntegerValue implements JsonSerializable {
public function __construct($number) {
$this->number = (integer) $number;
}
public function jsonSerialize() {
return $this->number;
}
}
echo json_encode(new IntegerValue(1), JSON_PRETTY_PRINT);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
1
]]>
</screen>
</example>
<example>
<title>
<methodname>JsonSerializable::jsonSerialize</methodname> example
returning an <type>integer</type>
</title>
<programlisting role="php">
<![CDATA[
<?php
class StringValue implements JsonSerializable {
public function __construct($string) {
$this->string = (string) $string;
}
public function jsonSerialize() {
return $this->string;
}
}
echo json_encode(new StringValue('Hello!'), JSON_PRETTY_PRINT);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
"Hello!"
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file