PHP Classes

PHP Filter Input Class: Validate and filter request input values

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filter-input 1.0Freely Distributable5PHP 5
Description 

Author

Bruno Francisco

This class can validate and filter request input values.

It provides several static functions that can take a request method name and a request variable name to perform validation according to different rules.

These functions return objects of the FilterInputValidate class so you can set additional validation options.

Currently it provides functions to validate values using regular expressions, integers, booleans, URLs, check if a value is defined, and a custom validation function supported by the PHP filter_input extension.

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Example

<?php include "header.php"; ?>
<?php
if (FilterInput::keyExist("post" , "submit")) {

    //=========================================================
    // FILTERS
    //=========================================================
    // Name Filter
    $name = FilterInput::regexp("post" , "name");
    $name->options(Array("regexp" => "/^[a-zA-Z]+$/"));
    $name->extraOptions(Array("min_length" => 4 , "max_length" => 15));

    // Age Filter
    $age = FilterInput::int("post" , "age");
    $age->options(Array("min_range" => 18 , "max_range" => 75));

    // E-Mail Filter
    $email = FilterInput::custom("post" , "email" , "FILTER_VALIDATE_EMAIL");

    // Site Filter
    $site = FilterInput::url("post" , "site");
    $site->flags("FILTER_FLAG_HOST_REQUIRED");

    // Security Bot Filter
    $securityBot = FilterInput::regexp("post" , "securityBot");
    $securityBot->extraOptions(Array("val_compare" => Array("Fanwik" , "chuavas")));

    // Radio Human Filter
    $radioHuman = FilterInput::bool("post" , "radioHuman");

    //=========================================================
    // VALIDATIONS
    //=========================================================

    if ($name->isValid() === FALSE) {
        Prints::msg("Your name should be between 4 and 15 characters and may only contain letters" , "Public Msg" , "danger");
    }
    elseif ($age->isValid() === FALSE) {
        Prints::msg("Your age should be between 18 and 75 " , "Public Msg" , "danger");
    }
    elseif ($email->isValid() === FALSE) {
        Prints::msg("This email is ivalid" , "Public Msg" , "danger");
    }
    elseif ($site->isValid() === FALSE) {
        Prints::msg("website must include host name (like http://www.example.com)" , "Public Msg" , "danger");
    }
    elseif ($securityBot->isValid() === FALSE) {
        Prints::msg("Please type the following word 'Fanwik' OR 'chuavas'" , "Public Msg" , "danger");
    }
    elseif ($radioHuman->isValid() === FALSE) {
        Prints::msg("Your ara a robot" , "Public Msg" , "danger");
    }
    else {
        Prints::msg(
                "<br><br><b>Your name</b> : " . $name->inputValue
                . "<br><b>Your age</b> : " . $age->inputValue
                . "<br><b>Your E-Mail</b> : " . $email->inputValue
                . "<br><b>Your Web Site</b> : " . $site->inputValue
                . "<br><b>Are you human?</b> : " . $radioHuman->inputValue
                . "<br><b>Security Bot</b> : " . $securityBot->inputValue
                , "All inputs are OK" , "success");
    }
}
?>
<div>
    <h1>DEMO</h1>
    <form class="form" method="post" action="<?php $_SERVER["PHP_SELF"] ?>">

        <div class="form-group">
            <label for="name">Your name</label>
            <input type="text" class="form-control" name="name" placeholder="Name" >
            <p class="help-block">Your name should be between 4 and 15 characters and may only contain letters</p>
        </div>

        <div class="form-group">
            <label for="age">Your Age</label>
            <input type="text" class="form-control" name="age" placeholder="Age">
            <p class="help-block">Your age should be between 18 and 75 </p>
        </div>

        <div class="form-group">
            <label for="email">Your E-Mail</label>
            <input type="text" class="form-control" name="email" placeholder="email">
            <p class="help-block"> email must should be like example@host.com </p>
        </div>

        <div class="form-group">
            <label for="site">Your website</label>
            <input type="text" class="form-control" name="site" placeholder="site">
            <p class="help-block"> website must include host name (like http://www.example.com)</p>
        </div>

        <div class="form-group">
            <label for="securityBot">Security Bot</label>
            <input type="text" class="form-control" name="securityBot" placeholder="Fanwik OR chuavas">
            <p class="help-block">Please type the following word "Fanwik" OR "chuavas"</p>
        </div>

        <div class="form-group">
            <label for="radioHuman">Are you Human?</label>
            <label class="radio-inline">
                <input type="radio" name="radioHuman" value="true"> Yes
            </label>
            <label class="radio-inline">
                <input type="radio" name="radioHuman" checked="checked" value="false"> No
            </label>
        </div>

        <button type="submit" name="submit" class="btn btn-primary">Submit</button>
    </form>
    <div class="self-code"><?prettify lang=php?>
 <pre>
<code>if (FilterInput::keyExist("post" , "submit")) {

    //=========================================================
    // FILTERS
    //=========================================================
   
    // Name Filter
    $name = FilterInput::regexp("post" , "name");
    $name->options(Array("regexp" => "/^[a-zA-Z]+$/"));
    $name->extraOptions(Array("min_length" => 4 , "max_length" => 15));

    // Age Filter
    $age = FilterInput::int("post" , "age");
    $age->options(Array("min_range" => 18 , "max_range" => 75));

    // E-Mail Filter
    $email = FilterInput::custom("post" , "email" , "FILTER_VALIDATE_EMAIL");

    // Site Filter
    $site = FilterInput::url("post" , "site");
    $site->flags("FILTER_FLAG_HOST_REQUIRED");

    // Security Bot Filter
    $securityBot = FilterInput::regexp("post" , "securityBot");
    $securityBot->extraOptions(Array("val_compare" => Array("Fanwik" , "chuavas")));

    // Radio Human Filter
    $radioHuman = FilterInput::bool("post" , "radioHuman");

    //=========================================================
    // VALIDATIONS
    //=========================================================

    if ($name->isValid() === FALSE) {
        Prints::msg("Your name should be between 4 and 15 characters and may only contain letters" , "Public Msg" , "danger");
    }
    elseif ($age->isValid() === FALSE) {
        Prints::msg("Your age should be between 18 and 75 " , "Public Msg" , "danger");
    }
    elseif ($email->isValid() === FALSE) {
        Prints::msg("This email is ivalid" , "Public Msg" , "danger");
    }
    elseif ($site->isValid() === FALSE) {
        Prints::msg("website must include host name (like http://www.example.com)" , "Public Msg" , "danger");
    }
    elseif ($securityBot->isValid() === FALSE) {
        Prints::msg("Please type the following word 'Fanwik' OR 'chuavas'" , "Public Msg" , "danger");
    }
    elseif ($radioHuman->isValid() === FALSE) {
        Prints::msg("Your ara a robot" , "Public Msg" , "danger");
    }
    else {
        Prints::msg(
                "&lt;br&gt;&lt;br&gt;&lt;b&gt;Your name&lt;b&gt; : " . $name->inputValue
                . "&lt;br&gt;&lt;br&gt;&lt;b&gt;Your age&lt;b&gt; : " . $age->inputValue
                . "&lt;br&gt;&lt;br&gt;&lt;b&gt;Your E-Mail&lt;b&gt; : " . $email->inputValue
                . "&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Web Site&lt;b&gt; : " . $site->inputValue
                . "&lt;br&gt;&lt;br&gt;&lt;b&gt;Are you human?&lt;b&gt; : " . $radioHuman->inputValue
                . "&lt;br&gt;&lt;br&gt;&lt;b&gt;Security Bot&lt;b&gt; : " . $securityBot->inputValue
                , "All inputs are OK" , "success");
    }
}</code>
        </pre>
    </div>


</div>








<?php include "footer.php"; ?>

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