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Google Translate PHP

Free Google Translate API PHP Package. Translates totally free of charge.

• Installation
• Basic Usage
• Advanced Usage
  • Language Detection
  • Using Raw Response
  • Custom URL
  • HTTP Client Configuration
  • Custom Token Generator
  • Errors and Exception Handling
• Known Limitations
• Disclaimer
• Donation

Installation

Install this package via Composer.

Note: PHP 7.1 or later is required. For older versoins, use ^3.2 version of this package (see old docs).

Basic Usage

Create GoogleTranslate object

Or you can change languages later

Translate sentences

Also, you can also use method chaining

Or call a shorthand static method trans

Advanced Usage

Language Detection

To detect language automatically, just set the source language to null:

Use getLastDetectedSource() to get detected language:

Return value will be null if the language couldn't be detected.

Supported languages are listed in Google API docs.

Using Raw Response

For advanced usage, you might need the raw results that Google Translate provides. you can use getResponse method for that.

Custom URL

You can override the default Google Translate url by setUrl method. Useful for some countries

HTTP Client Configuration

This package uses Guzzle for HTTP requests. You can pass an array of guzzle client configuration options as a third parameter to GoogleTranslate constructor, or just use setOptions method.

You can configure proxy, user-agent, default headers, connection timeout and so on using this options.

For more information, see Creating a Client section in Guzzle docs (6.x version).

Custom Token Generator

You can override the token generator class by passing a generator object as a fourth parameter of constructor or just use setTokenProvider method.

Generator must implement Stichoza\GoogleTranslate\Tokens\TokenProviderInterface.

And use:

Errors and Exception Handling

Static method trans() and non-static translate() and getResponse() will throw following Exceptions:

• ErrorException If the HTTP request fails for some reason.
• UnexpectedValueException If data received from Google cannot be decoded.

In addition, translate() and trans() methods will return null if there is no translation available.

Known Limitations

• 503 Service Unavailable response:
  If you are getting this error, it is most likely that Google has banned your external IP address and/or requires you to solve a CAPTCHA. This is not a bug in this package. Google has become stricter, and it seems like they keep lowering the number of allowed requests per IP per a certain amount of time. Try sending less requests to stay under the radar, or change your IP frequently (for example using proxies). Please note that once an IP is banned, even if it's only temporary, the ban can last from a few minutes to more than 12-24 hours, as each case is different.
• 429 Too Many Requests response: This error is basically the same as explained above.
• 413 Request Entity Too Large response:
  This error means that your input string is too long. Google only allows a maximum of 5000 characters to be translated at once. If you want to translate a longer text, you can split it to shorter parts, and translate them one-by-one.

Disclaimer

This package is developed for educational purposes only. Do not depend on this package as it may break anytime as it is based on crawling the Google Translate website. Consider buying Official Google Translate API for other types of usage.

Donation

If this package helped you reduce your time to develop something, or it solved any major problems you had, feel free give me a cup of coffee :)

• Patreon
• PayPal