PHP Validation

Free and open source PHP scripts about Validation algorithms.Anti-spam, CAPTCHA, form validation provided
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    2093 total visits
    Cell CAPTCHA generates an image with a given text or a random text that is stored in session variable. It renders text in the image as a table of cells that show the text in a given color. The text submitted by the user is verified to match the CAPTCHA text. The verification can be case sensitive or insensitive. Requirements: ...
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    1793 total visits - Secure Contact Form Antispam CAPTCHA adds anti-spam security features and CAPTCHA. Descriptions of - Secure Contact Form Antispam CAPTCHA:- Invulnerable secure antispam contact form.- JavaScript field validator in php (to add multi-language variables or other variables)- Prevent spammers from using your form to send garbage, guaranteed.- CAPTCHA to avoid Javascript validated Spam- After JS validation, is validated ...
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    1677 total visits
    Verification provides different functions that can verify if a text string can be a valid value of certain type. E-mail addresses, URLs, alphanumberic values, numeric values, phone numbers, IP addresses or non-empty strings can be validated. Requirements: PHP 5 or higher
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    1430 total visits
    Brazilian Validations provides several functions that can validate strings that contain values document numbers and other formats specific of Brazil. Brazilian Validations currently supports validation of CPF, CNPJ, PIS/PASEP numbers, dates, CEP codes and money amounts. Requirements: PHP 3.0 or higher Limitations: The code and the comments are in Portuguese.
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    1480 total visits
    Validate-Calculate Age takes a day, month and year as parameters and determines whether it corresponds to a valid date. Validate-Calculate Age is also able to calculate the relative age of an entity that was born on the given date. Requirements: PHP 5 or higher
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    2242 total visits
    AJAX CAPTCHA can generate a random validation text with a given length and draw the text in an image obfuscated with random lines and ellipse shapes. A session variable is used to store the generated text in order to be used for validation. AJAX CAPTCHA generates the validation image in JPEG format as the current script output. It also returns ...
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    2065 total visits
    Hashing the field names ensures that bots don't know which of them require human input. myAltCaptcha checks whether the form is submitted too fast or too slow to have been submitted by a human user. It also checks whether the values stored in the hidden inputs are valid. Requirements: PHP 4.0 or higher
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    1665 total visits
    There is one class that can generate a random text string for validation. Another class is responsible for rendering the validation text. Each character is rendered in a variable position and rotation angle. The class renders several lines over the text to obfuscate it. The rendered image gets served as the current script output in PNG format. Requirements: PHP 5.0 ...
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    2482 total visits
    Forms generation and validation Class allows you to generate HTML forms. Forms generation and validation Supports:- Multiple inputs may be interconnected in such way that client side events that occur on one input can trigger actions on the context of other inputs. Developers may use input interconnection support without writing Javascript code.- Can be extended with new types of input ...
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    2908 total visits
    PHP CAPTCHA with Refresh generates an image with a given width and height display a random validation text with a given length. The generated random text is stored in a session variable for posterior validation. A specified background image is used to obfuscate the generated images before they are served in JPERG format as the active script output. Requirements: PHP ...
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    2028 total visits
    E-mail address validation class uses the Moriyoshi Koizumi DNS resolver class and works under Windows or other platforms that do not have the GetMXRR function enabled. Key Features of E-mail address validation class:- Simple validation just by looking at the e-mail address string.- Validation of a e-mail address host as a valid mail exchange domain.- alidation of a e-mail address ...
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    2475 total visits
    Easy to install captcha system to keep bots from making false submissions to your web forms. Requires PHP. PHP Captcha System is customizable in the following ways:- Choose Font Size.- Choose Colors.- Choose # of characters in string.- Choose character set (numbers, letters, uppercase, lowercase).- Very customizable backgrounds.
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    2102 total visits
    Mollom for PHP provides ways to protect website content and website forms from spam on the web. Usage of Mollom for PHP:- Download package.- Unzip package.- Install package following the instructions in the readme file.- Create account on Mollom.- Activate website key on Mollom. Key Features of Mollom for PHP:- Get rid of spam - Mollom helps keep a website ...
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    1824 total visits
    E-mail addresses, IP addresses, hexadecimal RGB color definitions, hexadecimal, integer and floating point numbers, and user names with only letters can be validated with CheckRegExp. Requirements: PHP 5 or higher
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    1927 total visits
    SMTP Email Address Validation Class connects to the SMTP server responsible with receiving e-mail messages for a specified domain.SMTP Email Address Validation Class checks whether the SMTP server would accept a message sent to the specified e-mail address from another given e-mail addresses.Requirements: PHP 4.0 or higher
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