Top rated packages with tag robot

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	1. Form Spam Bot Blocker		robot

Supplied by: Giorgos <e-mail contact>

Generate forms that prevent submission by robots

This class can be generate forms that prevent submission by spam robots without requiring human users to enter special values.

It generates hidden inputs for forms that have special values that are verified on the server after the form is submitted to eventually detect whether the form was sent by a spam robot.

The class can generate an hidden input that contains an encoded value of the user browser, user computer IP address and the current time.

The class verifies whether these browser name and IP address are still the same, and also whether the form is being submitted by a normal time interval after it was create, like when it is submitted by a real human user.

The class also generates a text input that are invisible for the user. A human user would not fill this input. If the input is submitted with a value, it was certainly a robot.

When the class detects a situation that demonstrates the form was submitted by a robot, the application should not accept the form submission.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Good (89.1%)`	`Good (89.1%)`	`Good (81.2%)`	`Good (82.8%)`	`-`	`-`	`Sufficient (69.8%)`	194
Month:	Not yet rated by the users

	2. No Spam class		robot

Supplied by: Marco van Oostende <e-mail contact>

Prevent robot spamming through web forms

This class can be used to make it difficult for robots to write spam in forums, contact forms etc. It uses a form parameter with a 'random' hash that is used in both the form page and de processing page. It can be used in links and forms.
The links or forms that process the hashed parameters can verify the hash and only allow to proceed if the hash of the current date matches the followed URL hash parameter. This may help preventing that robots to spam forums, guestbooks and blogs.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Good (91.7%)`	`Good (91.7%)`	`-`	`Sufficient (66.7%)`	`-`	`-`	`Sufficient (61.7%)`	690
Month:	Not yet rated by the users

	3. Verification Image		robot

Supplied by: Rafael M. Dohms <e-mail contact>

Generate a verification image for validating forms

This class generates an image with random text to verify that a form was submitted by a real human being.

It adds some visual elements that are meant to confuse OCR (Optical Character Recognition) software, thus making it very difficult for robot scripts to determine the actual text that is displayed in the generated image.

Requires GD library compiled with PHP.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Good (84.4%)`	`Good (85.9%)`	`-`	`Good (89.1%)`	`-`	`-`	`Not sure (59.7%)`	826
Month:	Not yet rated by the users

	4. Security Image		robot

Supplied by: Joel Finkel <e-mail contact>

Generate images with text to make a CAPTCHA test

This class generates and display images with random text characters to perform a CAPTCHA test and verify whether the current site user is a real human or a robot script.

The class also displays a form with a text input to let the user enter the displayed characters to be verified.

The verification text length, size and color, as well as the background of the image that is generated, are all configurable parameters.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Good (85.0%)`	`Good (85.0%)`	`-`	`Good (85.0%)`	`-`	`-`	`Not sure (59.5%)`	844
Month:	Not yet rated by the users

	5. EMailRobot		robot

Supplied by: Ilya Nemihin <e-mail contact>

E-mail robot, takes letters, parse and forms answe

E-mail robot (autoresponder), takes letters, parse and forms answer. Simple for customize.
http://emailrobot.elementalcms.org/ - demo, download, documentation, uml diagrams.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Sufficient (78.6%)`	`Sufficient (78.6%)`	`-`	`Sufficient (79.2%)`	`-`	`-`	`Not sure (55.1%)`	1125
Month:	Not yet rated by the users

	6. PhpSecureImageGen		robot

Supplied by: Dyego Fernandes <e-mail contact>

Output images with text for CAPTCHA authentication

This is a simple class that generate images with a random text that can be used to perform CAPTCHA authentication, i.e. verify whether a site user is a human or a robot.

The image may be outputted with given text or a random text generated by the class.

The generated image also contains a few random lines to make it for difficult for robots to use character recognition programs to determine what is the text written in the image.

The image is outputted in the GIF format.

The code and the comments in the class are in Portuguese.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Good (91.7%)`	`Good (91.7%)`	`-`	`-`	`-`	`-`	`Not sure (55.0%)`	1161
Month:	Not yet rated by the users

	7. Protect picture		robot

Supplied by: MARY Matthieu <e-mail contact>

Protect the path of yours pictures

This class is meant to protect the path of your site pictures in order to prevent that somebody eventually using robot scripts steals the images by accessing the pictures directly.

The class changes the URL of the images used in HTML <input type="IMAGE"> or <IMG> tags using a new URL through which real browsers can retrieve the picture files.

The class requires php 4.0 or later with session support enabled.

To use this class put the protect_picture.php script in the same directory of the script that references thes pictures to be protected. Then, at the beginning of that, just call:

$pprotect = new protect_picture(session_id());

and at the end of your script call

$pprotect->protect();

This class supports all the session_save_handler method : file in most cases with th $_SESSION array or in the others way a cache file

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Sufficient (64.3%)`	`Sufficient (60.7%)`	`Sufficient (65.0%)`	`Sufficient (71.4%)`	`-`	`-`	`Not sure (51.9%)`	1372
Month:	Not yet rated by the users

	8. Robots_txt		robot

Supplied by: Andy Pieters <e-mail contact>

Test if a URL may be crawled looking at robots.txt

This class can be used to check whether a page may be crawled by looking at the robots.txt file of its site.

It takes the URL of a page and retrieves the robots.txt file of the same site.

The class parses the robots.txt file and looks up for the rules defined in that file to see if the site allows crawling the intended page.

The class also stores the time when a page is crawled to check whether next time another page of the same site is being crawled it is honoring the intended crawl delay and request rate limits.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Not sure (50.0%)`	`Sufficient (62.5%)`	`Not sure (50.0%)`	`-`	`-`	`-`	`Insufficient (36.2%)`	2076
Month:	Not yet rated by the users

	9. Simple MSN Class		robot

Supplied by: hessian <e-mail contact>

MSN Messenger chat robot

This class is meant to connect to a MSN Messenger server, login as a given user and handle chat requests with other users.

The package comes with a separate class that acts as robot that interacts with other connected users.

The output and the comments in this class are written in Chinese.

Ratings	Utility	Consistency	Documentation	Examples	Tests	Videos	Overall	Rank
All time:	`Insufficient (35.0%)`	`Insufficient (35.0%)`	`-`	`Insufficient (21.7%)`	`-`	`-`	`Insufficient (23.2%)`	2230
Month:	Not yet rated by the users

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