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[root@BIND9-master /usr/local/bin]# php --ini
Configuration File (php.ini) Path: /usr/local/etc
Loaded Configuration File: /usr/local/Zend/etc/php.ini
Scan for additional .ini files in: /usr/local/etc/php
Additional .ini files parsed: /usr/local/etc/php/extensions.ini
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<?php
function extend_1($file_name)
{
$retval="";
$pt=strrpos($file_name, ".");
if ($pt) $retval=substr($file_name, $pt+1, strlen($file_name) - $pt);
return ($retval);
}
?>
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function extend_2($file_name)
{
$extend = pathinfo($file_name);
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