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<?php
/**
* Autoload Extension
*
* Note: shell wrapper has to create the __autoload() function when
* isAutoloadEnabled() is true
*
* handles the options to enable the internal autoload support
*
* :set al
* :set autoload
*
* autoload can't be disabled
*/
class PHP_Shell_Extensions_Autoload implements PHP_Shell_Extension {
/**
* does the use want to use the internal autoload ?
*
* @var bool
*/
protected $autoload = false;
public function register() {
$opt = PHP_Shell_Options::getInstance();
$opt->registerOption("autoload", $this, "optSetAutoload");
$opt->registerOptionAlias("al", "autoload");
}
/**
* sets the autoload-flag
*
* - the $value is ignored and doesn't have to be set
* - if __autoload() is defined, the set fails
*/
public function optSetAutoload($key, $value) {
if ($this->autoload) {
print('autload is already enabled');
return;
}
if (function_exists('__autoload')) {
print('can\'t enabled autoload as a external __autoload() function is already defined');
return;
}
$this->autoload = true;
}
/**
* is the autoload-flag set ?
*
* @return bool true if __autoload() should be set by the external wrapper
*/
public function isAutoloadEnabled() {
return $this->autoload;
}
}
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