PHP Complete Form

PHP

PHP Complete Form चैप्टर में real-time फॉर्म, actions के साथ देखेंगे। नीचे दिया गया उदाहरण इनपुट फ़ील्ड को text, radio button और checked box के रूप में लेने के साथ-साथ डेटा को validate भी करेगा।

PHP Complete Form
<!DOCTYPE html>
<html>

<head>
    <style>
        .error {
            color: #FF0000;
        }
    </style>
</head>

<body>

    <?php
    // कई variables बनाया और उसको empty values सेट कर दिया
    $nameErr = $emailErr = $websiteErr = $mobilenoErr = $genderErr = $agreeErr = "";
    $name = $email = $website = $mobileno = $gender = $comment = $agree = "";

    //Input fields validation
    if ($_SERVER["REQUEST_METHOD"] == "POST") {

        //Name Validation
        if (empty($_POST["name"])) {
            $nameErr = "Name is required";
        } else {
            $name = input_data($_POST["name"]);
            // check if name only contains letters and whitespace
            if (!preg_match("/^[a-zA-Z-' ]*$/", $name)) {
                $nameErr = "Only letters and white space allowed";
            }
        }

        //E-mail ID Validation
        if (empty($_POST["email"])) {
            $emailErr = "Email is required";
        } else {
            $email = input_data($_POST["email"]);
            // Check if e-mail address is well-formed
            if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                $emailErr = "Invalid email format";
            }
        }

        //Website URL Validation
        if (empty($_POST["website"])) {
            $website = "";
        } else {
            $website = input_data($_POST["website"]);
            // check if URL address syntax is valid
            if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $website)) {
                $websiteErr = "Invalid URL";
            }
        }

        //Mobile Number Validation
        if (empty($_POST["mobileno"])) {
            $mobilenoErr = "Mobile no is required";
        } else {
            $mobileno = input_data($_POST["mobileno"]);
            // check if mobile no is well-formed
            if (!preg_match("/^[0-9]*$/", $mobileno)) {
                $mobilenoErr = "Only numeric value is allowed";
            }
            //check mobile no length should be 10 digit
            if (strlen($mobileno) != 10) {
                $mobilenoErr = "Mobile no must contain 10 digits";
            }
        }

        //Radio Button Gender
        if (empty($_POST["gender"])) {
            $genderErr = "Gender is required";
        } else {
            $gender = input_data($_POST["gender"]);
        }

        //Comment Form
        if (empty($_POST["comment"])) {
            $comment = "";
        } else {
            $comment = input_data($_POST["comment"]);
        }

        //Checkbox Validation
        if (!isset($_POST["agree"])) {
            $agreeErr = "Accept terms of services before submit";
        } else {
            $agree = input_data($_POST["agree"]);
        }
    }

    function input_data($data)
    {
        $data = trim($data);
        $data = stripslashes($data);
        $data = htmlspecialchars($data);
        return $data;
    }
    ?>

    <h2>PHP Complete Form</h2>
    <p><span class="error">* Required Field</span></p>
    <form method="post" action="">

        Name:
        <input type="text" name="name" value="<?php echo $name; ?>">
        <span class="error">*<?php echo $nameErr; ?></span>
        <br><br>

        E-mail:
        <input type="text" name="email" value="<?php echo $email; ?>">
        <span class="error">*<?php echo $emailErr; ?></span>
        <br><br>

        Website:
        <input type="text" name="website" value="<?php echo $website; ?>">
        <span class="error"><?php echo $websiteErr; ?></span>
        <br><br>

        Mobile No:
        <input type="text" name="mobileno" value="<?php echo $mobileno; ?>">
        <span class="error">*<?php echo $mobilenoErr; ?></span>
        <br><br>

        Gender:
        <input type="radio" name="gender" <?php if (isset($gender) && $gender == "male") echo "checked"; ?> value="Male">Male
        <input type="radio" name="gender" <?php if (isset($gender) && $gender == "female") echo "checked"; ?> value="Female">Female
        <input type="radio" name="gender" <?php if (isset($gender) && $gender == "other") echo "checked"; ?> value="Other">Other
        <span class="error">* <?php echo $genderErr; ?></span>
        <br><br>

        Comment:
        <textarea name="comment" rows="5" cols="40"><?php echo $comment; ?></textarea>
        <br><br>

        Agree to Terms of Service: <input type="checkbox" name="agree">
        <span class="error">* <?php echo $agreeErr; ?></span>
        <br> <br>
        <input type="submit" name="submit" value="Submit">
    </form>

    <?php

    echo "<h2>Output Result:</h2>";

    echo "Name: " . $name . "<br>";
    echo "E-mail: " . $email . "<br>";
    echo "Website: " . $website . "<br>";
    echo "Mobile No: " . $mobileno . "<br>";
    echo "Gender: " . $gender . "<br>";
    echo "Comment: " . $comment;
    ?>

</body>

</html>

उपरोक्त कोड अधिकांश यूजर द्वारा उपयोग किए जाने वाले फॉर्म का नमूना है।

नीचे दी गई image, उपरोक्त कोड का UI है।

PHP Complete Form
Article By: Brajlal Prasad
Created on: 16 Feb 2023  887  Views
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