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<?php
##
## loading dynamic library(shared object file, extension modules)
## san2(at)linuxchannel.net
## 2002.10.19
##
## $mod = array() or string(file path)
## example :
## new ext_load('./4.2.3/mbstring.so');
## or
## new ext_load(array('4.2.3/mbstring.so','4.2.3/korean.so'));
## or
## new ext_load('/any/path/to/korean.so')
##
class ext_load
{
function ext_load($mod, $debug=0)
{
if(!ini_get('enable_dl') || !$mod) {
if($debug) echo 'can not use the dl() function';
return 0;
}
$dir['e'] = ini_get('extension_dir');
$dir['u'] = dirname($_SERVER['PATH_TRANSLATED']).'/'; // script file directory
$dir['ut'] = preg_replace(';[^/]+;','..',$dir['u']);
if(preg_match(';^/;',$dir['e'])) {
$dir['e'] = preg_replace(';[^/]+;','..',$dir['e']);
}
else $dir['e'] = '';
if(is_array($mod)) {
foreach($mod AS $v) {
$file = $this->get_file($dir,$v);
$this->to_load($file,$debug);
}
} else {
$file = $this->get_file($dir,$mod);
$this->to_load($file,$debug);
}
}
function get_file($dir, $v)
{
if(preg_match(';^/;',$v)) {
if(!$dir['e']) return $dir['ut'] . $v;
else return $dir['e'] . $v;
} else {
if(!$dir['e']) return $v;
else return $dir['e'] . $dir['u'] . $v;
}
}
function to_load($file, $debug=0)
{
if(is_file($file)) {
$ext = str_replace('.so','',basename($file));
if(!extension_loaded($ext)) {
@dl($file);
if(!extension_loaded($ext)) {
echo "to loading ${ext}.so : fail<BR>\n";
} else if($debug) {
echo "to loading ${ext}.so : loaded<BR>\n";
}
}
else if($debug) echo "alredy, loaded ${ext}.so<BR>\n";
}
else if($debug) echo "not found $file<BR>\n";
}
} // end of class
/***
## example
##
$useto = array('calendar.so','dba.so','dio.so','ftp.so','gd.so','gettext.so',
'mbstring.so','sockets.so','sysvsem.so','sysvshm.so','korean.so');
foreach($useto AS $v) $mod[] = $_SERVER['DOCUMENT_ROOT'] . '/ext/' . PHP_VERSION .'/'.$v;
new ext_load($mod,1); // debuging mode
phpinfo();
***/
?>