Online PHP editor | rfc for HCBiG

@ 2016-03-16T13:28:28Z

<?php

function standard_date_format($str) {
    preg_match_all('/(\d{1,2}) (\w+) (\d{4})/', $str, $matches);
    foreach ($matches[1] as $day)   { $days [] = $day; }
    foreach ($matches[2] as $month) { $months [] = $month; }
    foreach ($matches[3] as $year)  { $years [] = $year; }
              
    $all_months = array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
     
    for ($i = sizeof($days) - 1; $i >= 0; $i --) {
        $month = array_search($months[$i], $all_months) + 1;
        $month = strlen($month) < 2 ? '0'.$month : $month; 
        $results [] = $years[$i] . '-' . $month . '-' . $days[$i];
    }
    return  $results;
}
        
$str1 = "Company registered on 16 March 2003";
$str2 = "Activity between 10 May 2006 an 10 July 2008 - no changes.";
    
print_r(standard_date_format($str1));
print_r(standard_date_format($str2));

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => 2003-03-16 ) Array ( [0] => 2008-07-10 [1] => 2006-05-10 )

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