Date and Time

Introduzione
Installazione/Configurazione
Costanti predefinite
List of Supported Timezones
Date/Time Funzioni
- checkdate — Verifica una data/orario gragoriana/o
- date_create — Returns new DateTime object
- date_date_set — Sets the date
- date_default_timezone_get — Gets the default timezone used by all date/time functions in a script
- date_default_timezone_set — Sets the default timezone used by all date/time functions in a script
- date_format — Returns date formatted according to given format
- date_isodate_set — Sets the ISO date
- date_modify — Alters the timestamp
- date_offset_get — Returns the daylight saving time offset
- date_parse — Returns associative array with detailed info about given date
- date_sun_info — Returns an array with information about sunset/sunrise and twilight begin/end
- date_sunrise — Returns time of sunrise for a given day and location
- date_sunset — Returns time of sunset for a given day and location
- date_time_set — Sets the time
- date_timezone_get — Return time zone relative to given DateTime
- date_timezone_set — Sets the time zone for the DateTime object
- date — Formatta una data o orario locale
- getdate — Riceve informazioni su data/orario
- gettimeofday — Riceve l'orario attuale
- gmdate — Formatta una data/ora GMT/UTC
- gmmktime — Riceve l'UNIX timestamp per una data GMT
- gmstrftime — Formatta una data/ora GMT/UTC secondo i parametri locali
- idate — Format a local time/date as integer
- localtime — Riceve l'orario locale
- microtime — Restituisce l'attuale UNIX timestamp con i microsecondi
- mktime — Restituisce la UNIX timestamp per una data
- strftime — Formatta una data/orario locale accordandola/o alle impostazioni locali according to locale settings
- strptime — Parse a time/date generated with strftime
- strtotime — Analizza le descrizioni testuali di datetime in Inglese nell'UNIX timestamp
- time — Restituisce l'attuale UNIX timestamp
- timezone_abbreviations_list — Returns associative array containing dst, offset and the timezone name
- timezone_identifiers_list — Returns numerically index array with all timezone identifiers
- timezone_name_from_abbr — Returns the timezone name from abbrevation
- timezone_name_get — Returns the name of the timezone
- timezone_offset_get — Returns the timezone offset from GMT
- timezone_open — Returns new DateTimeZone object
- timezone_transitions_get — Returns all transitions for the timezone

add a note User Contributed Notes
Date/Time

zoe at monkeehouse dot com
24-Oct-2008 10:52


Should you want to convert between HH:MM:SS and plain seconds like in MySQL, these functions should do the trick:





<?php


function time_to_sec($time) {


    $hours = substr($time, 0, -6);


    $minutes = substr($time, -5, 2);


    $seconds = substr($time, -2);





    return $hours * 3600 + $minutes * 60 + $seconds;


}





function sec_to_time($seconds) {


    $hours = floor($seconds / 3600);


    $minutes = floor($seconds % 3600 / 60);


    $seconds = $seconds % 60;





    return sprintf("%d:%02d:%02d", $hours, $minutes, $seconds);


}


?>

JonathanCross.com
25-Jul-2008 08:13


<?php

// A demonstration of the new DateTime class and the

// fact that it fixes dates before 1970 and after 2038.

?>

<h2>PHP 2038 date bug demo (php version <?=phpversion()?>)</h1>

<div style='float:left;margin-right:3em;'>

<h3>OLD Buggy date()</h3>

<?

for ( $i = 1900; $i < 2050; $i++) {

  $datep = "$i-01-01";

  print "  Trying: $datep ... ";

  print date("F j, Y", strtotime($datep));

  print "<BR>";

}

?></div>

<div style='float:left;'>

  <h3>NEW DateTime Class (v 5.2+)</h3><?

  for ( $i = 1900; $i < 2050; $i++) {

    $datep = "$i-01-01";

    $date = new DateTime($datep);

    print "  Trying: $datep ... ";

    print $date->format('F j, Y');

    print "<BR>";

  }

?></div>

add a note

Introduzione

Estensioni correlate a calendari ed eventi

Last updated: Fri, 18 Jul 2008