<?xml version="1.0" encoding="utf-8"?>

<reference xml:id="class.typeerror" role="exception" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">

<title>TypeError</title>

<titleabbrev>TypeError</titleabbrev>

<partintro>

<section xml:id="typeerror.intro">

&reftitle.intro;

<para>

会抛出<classname>TypeError</classname> 的情况:

<simplelist>

<member>

为类属性设置的值与该属性申明的类型不匹配。

</member>

<member>

传递给函数的参数类型与函数预期声明的参数类型不匹配。

</member>

<member>

函数返回的值与声明的函数返回类型不匹配

</member>

</simplelist>

</para>

</section>

<section xml:id="typeerror.synopsis">

&reftitle.classsynopsis;

<classsynopsis class="class">

<ooexception>

<exceptionname>TypeError</exceptionname>

</ooexception>

<ooclass>

<modifier>extends</modifier>

<classname>Error</classname>

</ooclass>

<classsynopsisinfo role="comment">&InheritedProperties;</classsynopsisinfo>

<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.error')/db:partintro/db:section/db:classsynopsis/db:fieldsynopsis[preceding-sibling::db:classsynopsisinfo[1][@role='comment' and text()='&Properties;']]))">

<xi:fallback/>

</xi:include>

<classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>

<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.error')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='Error'])">

<xi:fallback/>

</xi:include>

<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.error')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='Error'])">

<xi:fallback/>

</xi:include>

</classsynopsis>

</section>

<section xml:id="typeerror.changelog" role="changelog">

&reftitle.changelog;

<informaltable>

<tgroup cols="2">

<thead>

<row>

<entry>&Version;</entry>

<entry>&Description;</entry>

</row>

</thead>

<tbody>

<row>

<entry>7.1.0</entry>

<entry>

在严格模式下，传递给内置 PHP 函数的参数数量不正确时，不再抛出通用的 <classname>TypeError</classname>。

相反，会抛出更具体的 <classname>ArgumentCountError</classname>，它是 <classname>TypeError</classname> 的子类。

</entry>

</row>

</tbody>

</tgroup>

</informaltable>

</section>

</partintro>

</reference>