PHP code example of hollodotme / crontab-validator

1. Go to this page and download the library: Download hollodotme/crontab-validator library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

hollodotme / crontab-validator example snippets


 declare(strict_types=1);

namespace MyVendor\MyProject;

use hollodotme\CrontabValidator\CrontabValidator;

$validator = new CrontabValidator();

if ( $validator->isExpressionValid( '6,21,36,51 7-23/1 * FEB-NOV/2 *' ) )
{
	echo 'Expression is valid.';
}
else
{
	echo 'Expression is invalid.';	
}


 declare(strict_types=1);

namespace MyVendor\MyProject;

use hollodotme\CrontabValidator\CrontabValidator;
use hollodotme\CrontabValidator\Exceptions\InvalidExpressionException;

$validator = new CrontabValidator();

try 
{
	# => All fine, execution continues
	$validator->guardExpressionIsValid( '6,21,36,51 7-23/1 * FEB-NOV/2 *' );
	
	# => This will raise an InvalidExpressionException
	$validator->guardExpressionIsValid( 'this is not a valid interval' );
}
catch ( InvalidExpressionException $e )
{
	echo $e->getMessage();
}