Add and fix return types

Stichoza · Stichoza · commit f5b8be4f573d · 2020-02-11T05:34:51.000+04:00
diff --git a/src/GoogleTranslate.php b/src/GoogleTranslate.php
@@ -179,7 +179,7 @@ public function setTokenProvider(TokenProviderInterface $tokenProvider): self
      *
      * @return string|null Last detected source language
      */
-    public function getLastDetectedSource()
+    public function getLastDetectedSource(): ?string
     {
         return $this->lastDetectedSource;
     }
@@ -196,7 +196,7 @@ public function getLastDetectedSource()
      * @throws ErrorException If the HTTP request fails
      * @throws UnexpectedValueException If received data cannot be decoded
      */
-    public static function trans(string $string, string $target = 'en', string $source = null, array $options = [], TokenProviderInterface $tokenProvider = null)
+    public static function trans(string $string, string $target = 'en', string $source = null, array $options = [], TokenProviderInterface $tokenProvider = null): ?string
     {
         return (new self)
             ->setTokenProvider($tokenProvider ?? new GoogleTokenGenerator)
@@ -217,7 +217,7 @@ public static function trans(string $string, string $target = 'en', string $sour
      * @throws ErrorException           If the HTTP request fails
      * @throws UnexpectedValueException If received data cannot be decoded
      */
-    public function translate(string $string): string
+    public function translate(string $string): ?string
     {
         /*
          * if source lang and target lang are the same

Original file line number	Diff line number	Diff line change
`@@ -179,7 +179,7 @@ public function setTokenProvider(TokenProviderInterface $tokenProvider): self`
`179`	`179`	`*`
`180`	`180`	`* @return string\|null Last detected source language`
`181`	`181`	`*/`
`182`		`- public function getLastDetectedSource()`
	`182`	`+ public function getLastDetectedSource(): ?string`
`183`	`183`	`{`
`184`	`184`	`return $this->lastDetectedSource;`
`185`	`185`	`}`
`@@ -196,7 +196,7 @@ public function getLastDetectedSource()`
`196`	`196`	`* @throws ErrorException If the HTTP request fails`
`197`	`197`	`* @throws UnexpectedValueException If received data cannot be decoded`
`198`	`198`	`*/`
`199`		`- public static function trans(string $string, string $target = 'en', string $source = null, array $options = [], TokenProviderInterface $tokenProvider = null)`
	`199`	`+ public static function trans(string $string, string $target = 'en', string $source = null, array $options = [], TokenProviderInterface $tokenProvider = null): ?string`
`200`	`200`	`{`
`201`	`201`	`return (new self)`
`202`	`202`	`->setTokenProvider($tokenProvider ?? new GoogleTokenGenerator)`
`@@ -217,7 +217,7 @@ public static function trans(string $string, string $target = 'en', string $sour`
`217`	`217`	`* @throws ErrorException If the HTTP request fails`
`218`	`218`	`* @throws UnexpectedValueException If received data cannot be decoded`
`219`	`219`	`*/`
`220`		`- public function translate(string $string): string`
	`220`	`+ public function translate(string $string): ?string`
`221`	`221`	`{`
`222`	`222`	`/*`
`223`	`223`	`* if source lang and target lang are the same`