Introduction to the specific usage of PHP configuration function ini_get()_PHP tutorial

Output:

1. display_errors = 1
2. register_globals = 0
3. post_max_size = 8M
4. post_max_size+1 = 9

PHP configuration function ini_get() is mainly used to obtain the configuration file, which can be a lot more convenient for you operate. For example, you want to operate string filtering, but you don’t know whether magic_quotes_gpc is turned on, so you can write a function like this:

<ol class="dp-xml">
<li class="alt"><span><span>/* 字符串过滤函数 */  </span></span></li>
<li><span>function stringFilter($str)  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>if (ini_get(’magic_quotes_gpc)’) </span></li>
<li><span>{  </span></li>
<li class="alt"><span>return $str;  </span></li>
<li><span>} </span></li>
<li><span>else {  </span></li>
<li class="alt"><span>return addslashes($str);  </span></li>
<li><span>}  </span></li>
<li class="alt"><span>} </span></li>
</ol>

Of course, if You have no way of knowing whether your global variables are open, or you can customize a function like this:

<ol class="dp-xml">
<li class="alt"><span><span>/* 变量检测函数 */  </span></span></li>
<li><span>function getGetVar($var)  </span></li>
<li class="alt"><span>{  </span></li>
<li><span>if (ini_set(’register_gobals’))</span></li>
<li><span>{  </span></li>
<li class="alt"><span>return $var;  </span></li>
<li><span>} </span></li>
<li><span>else {  </span></li>
<li class="alt"><span>return $_GET['var'];  </span></li>
<li><span>}  </span></li>
<li class="alt"><span>} </span></li>
</ol>

Of course, you can do it with the PHP configuration function ini_get() There are many uses, you can slowly experience them yourself.

http://www.bkjia.com/PHPjc/446227.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/446227.htmlTechArticleOutput: display_errors = 1 register_globals = 0 post_max_size = 8M post_max_size+ 1 = 9 PHP configuration function ini_get() is mainly for Obtaining the configuration file can facilitate many operations for you. Than...