78 lines
1.7 KiB
PHP
78 lines
1.7 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
namespace OpenTelemetry\API\Instrumentation;
|
||
|
|
|
||
|
|
class ConfigurationResolver implements ConfigurationResolverInterface
|
||
|
|
{
|
||
|
|
public function has(string $name): bool
|
||
|
|
{
|
||
|
|
return $this->getVariable($name) !== null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getString(string $name): ?string
|
||
|
|
{
|
||
|
|
return $this->getVariable($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getBoolean(string $name): ?bool
|
||
|
|
{
|
||
|
|
$value = $this->getVariable($name);
|
||
|
|
if ($value === null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ($value === 'true');
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getInt(string $name): ?int
|
||
|
|
{
|
||
|
|
$value = $this->getVariable($name);
|
||
|
|
if ($value === null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (filter_var($value, FILTER_VALIDATE_INT) === false) {
|
||
|
|
//log warning
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (int) $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getList(string $name): array
|
||
|
|
{
|
||
|
|
$value = $this->getVariable($name);
|
||
|
|
if ($value === null) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
return explode(',', $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function getVariable(string $name): ?string
|
||
|
|
{
|
||
|
|
$value = $_SERVER[$name] ?? null;
|
||
|
|
if ($value !== false && !self::isEmpty($value)) {
|
||
|
|
assert(is_string($value));
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
$value = getenv($name);
|
||
|
|
if ($value !== false && !self::isEmpty($value)) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
$value = ini_get($name);
|
||
|
|
if ($value !== false && !self::isEmpty($value)) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function isEmpty($value): bool
|
||
|
|
{
|
||
|
|
return $value === false || $value === null || $value === '';
|
||
|
|
}
|
||
|
|
}
|