Flere datoer

<?php

define('DEFAULT_FMT', 'd/m/Y');

function dob_to_age($dob, $fmt = DEFAULT_FMT) {
    $dobinfo = date_parse_from_format($fmt, $dob);
    $nowinfo = getdate();
    $age = $nowinfo['year'] - $dobinfo['year'];
    if( ($nowinfo['mon'] < $dobinfo['month']) || ($nowinfo['mon'] == $dobinfo['month'] && $nowinfo['mday'] < $dobinfo['day']) ) {
        $age--;
    }
    return $age;
}

function dob_array_to_age_array($dobarr, $fmt = DEFAULT_FMT) {
    $result = array();
    foreach($dobarr as $dob) {
        $result[] = dob_to_age($dob, $fmt);
    }
    return $result;
}

function multidob_to_age_array($multidob, $fmt = DEFAULT_FMT, $delim = ',') {
    return dob_array_to_age_Array(explode($delim, $multidob), $fmt);
}

print_r(multidob_to_age_array('11/02/2021,12/02/2021,13/02/2021'));
?>

<?php

define('DEFAULT_FMT', 'd/m/Y');

function dob_to_age($dob, $fmt = DEFAULT_FMT) {
    $dobinfo = date_parse_from_format($fmt, $dob);
    $nowinfo = getdate();
    $age = $nowinfo['year'] - $dobinfo['year'];
    if( ($nowinfo['mon'] < $dobinfo['month']) || ($nowinfo['mon'] == $dobinfo['month'] && $nowinfo['mday'] < $dobinfo['day']) ) {
        $age--;
    }
    return $age;
}

function dob_array_to_age_array($dobarr, $fmt = DEFAULT_FMT) {
    $result = array();
    foreach($dobarr as $dob) {
        $result[] = dob_to_age($dob, $fmt);
    }
    return $result;
}

function multidob_to_age_array($multidob, $fmt = DEFAULT_FMT, $delim = ',') {
    return dob_array_to_age_Array(explode($delim, $multidob), $fmt);
}

function format_age_array($dobarr, $idarr, $template,  $fmt = DEFAULT_FMT) {
    $result = array();
    $agearr = dob_array_to_age_array($dobarr, $fmt);
    for($i = 0; $i < count($agearr); $i++) {
        $result[] = sprintf($template, $idarr[$i], $agearr[$i]);   
    }
    return $result;
}

foreach(format_age_array(array('01/01/1991', '02/02/1992', '03/03/2013', '04/04/2014'), array('jeg', 'min kone', 'min søn', 'min datter'), '%s er %d år') as $line) {
    echo "$line\r\n";   
}
?>