Online PHP editor | output for THSTo

@ 2015-11-04T16:38:31Z

<?php

var_dump(date("Y", ""));

exit;

 $dt_inicio = new DateTime();
    $dt_inicio->setTimestamp(mktime(0,0,0, 6,20,2014));

    $dt_fim = new DateTime();
    $dt_fim->setTimestamp(mktime(0,0,0, 7,19,2015));

    $interval = new DateInterval('P1M');

    $diffAno = 2015 - 2014;
    $nmeses  = (7 + ($diffAno * 12)) - 6;
    $period = new DatePeriod($dt_inicio, $interval, $nmeses);

    // var_dump($period);

    foreach($period as $date){
        $meses[] = array(
            "mes"=>$date,
            "ano"=>$date->format('Y')
        );
    }
    var_dump($meses);

Output for 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 TypeError: date(): Argument #2 ($timestamp) must be of type ?int, string given in /in/THSTo:3 Stack trace: #0 /in/THSTo(3): date('Y', '') #1 {main} thrown in /in/THSTo on line 3
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33: Warning: date() expects parameter 2 to be int, string given in /in/THSTo on line 3 bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33: Warning: date() expects parameter 2 to be integer, string given in /in/THSTo on line 3 bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28: Warning: date() expects parameter 2 to be long, string given in /in/THSTo on line 3 bool(false)

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