解读PHP正则表达式多行匹配的相关代码示例_PHP教程

<ol class="dp-xml">
<li class="alt"><span><span class="tag"><span> ?php  </span></span></span></li>
<li>
<span>$</span><span class="attribute">rows</span><span> = </span><span class="attribute-value">file</span><span>('php.ini'); //将php.ini文件读到数组中  </span>
</li>
<li class="alt"><span>//循环遍历  </span></li>
<li><span>foreach($rows as $line)  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>If(trim($line))  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>//将匹配成功的参数写入数组中  </span></li>
<li class="alt"><span>if(eregi("^([a-z0-9_.]*) *=(.*)", $line, $matches))  </span></li>
<li><span>{  </span></li>
<li class="alt"><span>$options[$matches[1]] = trim($matches[2]);  </span></li>
<li><span>}  </span></li>
<li class="alt"><span>unset($matches);  </span></li>
<li><span>}  </span></li>
<li class="alt"><span>}  </span></li>
<li><span>//输出参数结果  </span></li>
<li class="alt"><span>print_r($options);  </span></li>
<li>
<span class="tag">?></span><span> </span>
</li>
</ol>