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