volt/modern_php_scanner

Scan URLs from an array and return an array of inaccessible URLs. An example component from Josh Lockhart's book "Modern PHP" (2015)

Sunday, March 20, 2016
by volt
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volt/modern_php_scanner

![Software License][ico-license] ![Coverage Status][ico-scrutinizer] ![Total Downloads][ico-downloads], _(*1)

It is just an educational test project. It is a slightly modified example from Josh Lockhart's book "Modern PHP" by O'Reilly (2015)., _(*2)

For original code see a related GitHub page. You may as well look througgh [a forked version] (https://github.com/frankperez87/scanner/blob/master/src/Url/Scanner.php) for some code modifications., _(*3)

This component uses PSR-4 autoload and utilizes Oreilly\ModernPhp\ namespace.
For class identification use \Oreilly\ModernPhp\Url\Scanner class name., _(*4)

Install

Via Composer, _(*5)

``` bash $ composer require volt/modern_php_scanner, _(*6)


## Usage

****
```php
    // an array of test links
    $a_urls = array(
        'http://www.pravda.com.ua',
        'http://www.xpravda.ua',
        'http://php.net/manual/ru/wrappers.php.php',
        'http://uberhumor.com/',
        'https://github.com/frankperez87/scanner/blob/master/src/Url/Scanner.php',
        'https://www.google.com.ua/maps/'
    );

    $o_scanner = new \Oreilly\ModernPhp\Url\Scanner($a_urls); // instantiate the component class

    $a_invalid_urls_arrays = $o_scanner->getInvalidUrls(); // get an array with resutls of scan 

    // print_r($a_invalid_urls_arrays);

    // == the end == 

    // the rest of the code below is compiling html markup for output in $c_html_url_result 
    // from array of arrays ($a_invalid_urls_arrays)

    $c_html_url_result = null;
    if (empty($a_invalid_urls_arrays)) {
        $c_html_url_result = "<h2>All provided URLs are valid</h2>";

    } else {
        $c_html_lis = null;

        foreach((array)$a_invalid_urls_arrays as $a_url_data){

            $c_url = array_key_exists('url', $a_url_data)? $a_url_data['url'] : 'N/A';
            $n_status_code = array_key_exists('status_code', $a_url_data)? 
                $a_url_data['status_code'] : 'N/A';

            $c_html_url = htmlspecialchars($c_url, ENT_QUOTES);
            $c_html_lis .= "<li><span>{$c_html_url}</span> Status message: <code>{$n_status_code}</code></li>";        
        }//endforeach

        $c_html_url_result = "<h2>The following URLs are invalid:</h2>"
            . "<ul>" . $c_html_lis . "</ul>";
    }//endif

    echo $c_html_url_result;

Change log

Don't bother looking at CHANGELOG for no additional information on changes is planned to be added., _(*7)

Testing

bash $ composer test, _(*8)

Contributing

Please see CONTRIBUTING and CONDUCT for details., _(*9)

Security

Bare in mind, this is just a test project. If you discover any security related issues, please ignore them. You may as well use the issue tracker., _(*10)