Oracle DDL to C# Data modal

Oracle DDL to C# Data modal.php

<?php
$str = 'ID VARCHAR2(5) not null
    NAME VARCHAR2(50),
	ADDRESS VARCHAR2(200),
	TEL VARCHAR2(30),
	FAX VARCHAR2(30)';



function db_column($field) {
    echo '[Column("' . $field . '")]' . "\r\n";
}
function dtcc($string) {
    return str_replace(' ', '', ucwords(str_replace('_', ' ', strtolower($string))));
}
function require_check($line) {
    echo preg_match('/not null/', $line) ? "[Required]\r\n" : '';
}


foreach (preg_split("/((\r?\n)|(\r\n?))/", $str) as $line) {    
    $line = trim($line);
    $line = preg_replace('/\s+/', ' ', $line);
    $elements = explode(' ', $line);
    $field = $elements[0];
    $type = $elements[1];
	
    if (preg_match('/NUMBER\(\d+\)/', $type, $out)) {
        db_column($field);
        require_check($line);
        echo 'public long? ' . dtcc($field) . ' { get; set; }' . "\r\n";
    } elseif (preg_match('/NUMBER\(\d+, \d+\)/', $type, $out) || preg_match('/NUMBER\(\d+,\d+\)/', $type, $out)) {
        db_column($field);
        require_check($line);
        echo 'public decimal? ' . dtcc($field) . ' { get; set; }' . "\r\n";
    } elseif (preg_match('/DATE/', $type, $out)) {
        db_column($field);
        require_check($line);
        echo 'public DateTime? ' . dtcc($field) . ' { get; set; }' . "\r\n";
	} elseif (preg_match('/VARCHAR/', $type, $out)) {
        db_column($field);
        require_check($line);
        echo 'public string ' . dtcc($field) . ' { get; set; }' . "\r\n";
    } elseif (preg_match('/CHAR/', $type, $out)) {
        db_column($field);
        require_check($line);
        echo 'public string ' . dtcc($field) . ' { get; set; }' . "\r\n";
    } else {
        db_column($field);
        require_check($line);
        echo 'public string ' . dtcc($field) . ' { get; set; }' . "\r\n";
    }

    echo "\r\n";
}