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run code in 300+ PHP versions simultaneously

@ 2015-09-07T12:22:21Z

<?php
 function generatePassword($username, $password )
    {
        /*
        1. RESULT = LOWER_CASE ( username ) + PASSWORD
        2. RESULT = LOWER_CASE ( SHA1_HEX(RESULT) )
        3. RESULT = SESSIONID + RESULT
        4. RESULT = UPPER_CASE ( SHA1_HEX(RESULT) )
        */
        $this->_sessionid = 'GEW4JHV7H7JOR5IV868R';
        if( $this->_sessionid )
        {
            //1.
            $result = strtolower( $username ) . $password;
            //2.
            $result = strtolower( sha1( $result ) );
            //3.
            $result = $this->_sessionid . $result;
            //4.
            $result = strtoupper( sha1( $result ) );
        } else
        {
            $result = false;
        }
        return $result;
    }
    
    print_r(generatePassword('599750531', '4321'));

?>

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Using $this when not in object context in /in/bftQr:10 Stack trace: #0 /in/bftQr(28): generatePassword('599750531', '4321') #1 {main} thrown in /in/bftQr on line 10
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Using $this when not in object context in /in/bftQr on line 10
Process exited with code 255.

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