You are generating a username in the page but not storing it.
This is an example where I send the generated username via POST with a submit button and then use the php session to store the username for this user:
<?php
session_start();
if(isset($_POST['username'])) {
$_SESSION['username'] = $_POST['username'];
}
if(isset($_SESSION['username'])) {
$value = $_SESSION['username'];
} else {
$value = (strval(bin2hex(openssl_random_pseudo_bytes(1)))) . date("Y") .
(strval(bin2hex(openssl_random_pseudo_bytes(1)))) . date("d") .
(strval(bin2hex(openssl_random_pseudo_bytes(1)))) . date("m") .
(strval(bin2hex(openssl_random_pseudo_bytes(1))));
}
?>
<form action="" method="post">
<label for="username">Ваш логін</label>
<input type="text" name="username" value="<?php echo $value; ?>"
readonly="readonly">
<input type="submit" value="Save username">
</form>
After storing the username I make a simple if statement, if there is a username stored use that one, else generate a new one.
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PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
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