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<div id="ini.core" class="section">
<h2 class="title"><var class="filename">php.ini</var> 核心配置选项说明</h2>
<p class="para">
该列表只包含核心的 <var class="filename">php.ini</var>
配置选项。扩展的配置选项在各个扩展的文档页面分别被描述。有关 session 的选项可以在
<a href="ref.session.php" class="link">sessions 页面</a>找到。
</p>
<div id="ini.sect.httpd-options" class="section">
<h2 class="title">Httpd 选项</h2>
<p class="para">
<table border="5">
<caption><b>Httpd 选项</b></caption>
<colgroup>
<thead valign="middle">
<tr valign="middle">
<th colspan="1">名称</th>
<th colspan="1">默认值</th>
<th colspan="1">可修改范围</th>
<th colspan="1">更新记录</th>
</tr>
</thead>
<tbody valign="middle">
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">async_send</td>
<td colspan="1" rowspan="1" align="left">"0"</td>
<td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
</tbody>
</colgroup>
</table>
</p>
<p class="para">
</p>
</div>
<div id="ini.sect.language-options" class="section">
<h2 class="title">语言选项</h2>
<p class="para">
<table border="5">
<caption><b>语言和杂类配置选项</b></caption>
<colgroup>
<thead valign="middle">
<tr valign="middle">
<th colspan="1">名称</th>
<th colspan="1">默认值</th>
<th colspan="1">可修改范围</th>
<th colspan="1">更新记录</th>
</tr>
</thead>
<tbody valign="middle">
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">short_open_tag</td>
<td colspan="1" rowspan="1" align="left">"1"</td>
<td colspan="1" rowspan="1" align="left">PHP_INI_PERDIR</td>
<td colspan="1" rowspan="1" align="left">在 PHP <= 4.0.0 时是 PHP_INI_ALL。</td>
</tr>
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">asp_tags</td>
<td colspan="1" rowspan="1" align="left">"0"</td>
<td colspan="1" rowspan="1" align="left">PHP_INI_PERDIR</td>
<td colspan="1" rowspan="1" align="left">在 PHP <= 4.0.0 时是 PHP_INI_ALL。</td>
</tr>
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">precision</td>
<td colspan="1" rowspan="1" align="left">"14"</td>
<td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">y2k_compliance</td>
<td colspan="1" rowspan="1" align="left">"1"</td>
<td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr valign="middle">
<td colspan="1" rowspan="1" align="left">allow_call_time_pass_reference</td>
<td colspan="1" rowspan="1" align="left">"1"</td>
<td colspan="1" rowspan="1" align="left">PHP_I