PHP

daterange.php

<?php
  // 01 - 31
  function daily()
  {
    $tday     = "01";
    $tmonth   = date("m");
    $tyear    = date("Y");

    $date_from  = "01";
    $date_to    = date("d", strtotime('-1 second',strtotime('+1 month',strtotime($tmonth.'/'.$tday.'/'.$tyear.' 00:00:00'))));
  }


  // monday - sunday
  function weekly()
  {
    $monday = strtotime("last monday");
    $monday = date('w', $monday)==date('w') ? $monday+7*86400 : $monday;

    $sunday = strtotime(date("Y-m-d",$monday)." +6 days");

    $date_from  = date("Y-m-d",$monday);
    $date_to    = date("Y-m-d",$sunday);
   }
   
  // 2021-03-01 - 2021-03-31
  funtion monthly()
  {
    $tday     = "01";
    $tmonth   = date("m");
    $tyear    = date("Y");

    $date_from  = date("Y-m-d", strtotime($tmonth.'/'.$tday.'/'.$tyear.' 00:00:00'));
    $date_to    = date("Y-m-d", strtotime('-1 second',strtotime('+1 month',strtotime($tmonth.'/'.$tday.'/'.$tyear.' 00:00:00'))));
  }
 

 ?>

lumen.php

<?php
// test connection
		try {
 		   $this->db::connection()->getPdo();
		} catch (\Exception $e) {
		    die("Could not connect to the database.  Please check your configuration. error:" . $e );
		}

main.php

<?php
// search multidiemensional
array_search('100', array_column($userdb, 'uid'));

// sum multidimensional
array_sum(array_column($account_invoices, 'vatAmount'));

// random number for 'member_code'
echo(rand(100000,999999));

?>

uuid.php

<?php
echo(rand(100000,999999));
echo "&&";
echo gen_uuid();
function gen_uuid() 
{
    return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
        // 32 bits for "time_low"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),

        // 16 bits for "time_mid"
        mt_rand( 0, 0xffff ),

        // 16 bits for "time_hi_and_version",
        // four most significant bits holds version number 4
        mt_rand( 0, 0x0fff ) | 0x4000,

        // 16 bits, 8 bits for "clk_seq_hi_res",
        // 8 bits for "clk_seq_low",
        // two most significant bits holds zero and one for variant DCE1.1
        mt_rand( 0, 0x3fff ) | 0x8000,

        // 48 bits for "node"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
    );
}
?>