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PHP code:
function __construct($path){
if(!$this->dirAllow($path) || empty($path)) {
$this->validir = false;
}else{
$this->validir = true;
}
}
private function dirAllow($path){
if(!is_writable($path)) return false;
$this->path = $path;
return true;
}
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if( $object->validir === true ) {
//do something that you want
}
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