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<?php
/**
* Disable unused stream wrappers
*
* @param array|null $streamsToDisable
* @return bool
*/
function unregisterStreamWrappers(array $streamsToDisable = null)
{
if (!isset($streamsToDisable)) {
$streamsToDisable = ['compress.zlib', 'compress.bzip2', 'ftp', 'ftps', 'glob', 'data', 'expect', 'ogg', 'rar', 'zip', 'zlib'];
}
$ok = true;
$wrappers = stream_get_wrappers();
foreach ($streamsToDisable as $streamToDisable) {
if (!in_array($streamToDisable, $wrappers)) {
continue;
$ok = $ok && stream_wrapper_unregister($streamToDisable);
return $ok;
* Defines the constant $name, if it is not already defined.
* @param string $name
* @param $value
function defineIfNotDefined(string $name, $value)
if (!defined($name)) {
define($name, $value);
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