Online PHP editor | output for TLR8a

@ 2020-10-09T20:57:42Z

<?php
function calculate_due($num_installment, $first_due_date = null, $days = 1){

    $start = DateTime::createFromFormat('d/m/Y', $first_due_date);
    
    $end = DateTime::createFromFormat('d/m/Y', $first_due_date);
    $end->add(new DateInterval('P'.($num_installment * $days).'D'));
    
    $period = new DatePeriod(
        $start,
        new DateInterval('P'.$days.'D'),
        $end
    );
    
    $return = [];
    foreach ($period as $date) {
       $return[] = $date->format('d/m/Y');    
    }
    return $return;
}
 
echo 'Calculates installments from an informed date<br/>'.PHP_EOL;;

echo implode("\n", calculate_due(5, '10/10/2020', 20));

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Calculates installments from an informed date<br/> 10/10/2020 30/10/2020 19/11/2020 09/12/2020 29/12/2020
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/TLR8a on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/TLR8a on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/TLR8a on line 15
Process exited with code 255.

preferences:dark modelive previewkey bindings