108 lines
3.6 KiB
PHP
108 lines
3.6 KiB
PHP
<?php
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namespace EesyPHP;
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class Date {
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/**
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* The date format
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* @see strftime()
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* @var string
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*/
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public static $date_format = "d/m/Y";
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/**
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* The datetime format
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* @see strftime()
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* @var string
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*/
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public static $date_time_format = "d/m/Y H:i:s";
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/**
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* Format a timestamp as date/datetime string
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* @param int|\DateTime $time The timestamp to format (or a DateTime object)
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* @param bool|string $with_time_or_format If true, include time in formatted string, if string
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* use it as date format (optional, default: true)
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* @return string
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*/
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public static function format($time, $with_time_or_format=true) {
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$format = (
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is_string($with_time_or_format)?
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$with_time_or_format:
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($with_time_or_format ? self :: $date_time_format : self :: $date_format)
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);
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return is_a($time, "DateTime")?$time->format($format):date($format, $time);
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}
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/**
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* Parse a date/datetime string as timestamp
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* @param string $date The date string to parse
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* @param bool|string $with_time_or_format If true, include time in formatted string, if string
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* use it as date format (optional, default: true)
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* @param \DateTimeZone|string|null $timezone Timezone of the loaded date
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* (optional, default: system)
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* @param bool $as_datetime If true, return a DateTime object instead of timestamp as integer
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* @return ( $as_datetime is true ? \DateTime : int )|false
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*/
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public static function parse(
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$date, $with_time_or_format=true, $timezone=null, $as_datetime=false
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) {
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$format = (
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is_string($with_time_or_format)?
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$with_time_or_format:
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($with_time_or_format ? self :: $date_time_format : self :: $date_format)
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);
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$date = \DateTime::createFromFormat($format, $date, self :: timezone($timezone));
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if ($as_datetime || $date === false)
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return $date;
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return $date->getTimestamp();
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}
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/**
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* Get timezone
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* @param \DateTimeZone|string|null $value Timezone name or 'system'|null for system timezone
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* (optional)
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* @param bool $as_string If true, return the name of the timezone instead of a DateTimeZone
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* object (optional, default: false)
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* @return ($as_string is true ? string|false : \DateTimeZone|false)
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*/
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public static function timezone($value=null, $as_string=false) {
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$timezone = (
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is_null($value) || $value == 'system'?
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get_system_timezone():
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timezone_open($value)
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);
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if (!$as_string || !$timezone)
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return $timezone;
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return $timezone -> getName();
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}
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/**
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* Create \DateTime object from timestamp
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* @param int $value The timestamp
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* @param \DateTimeZone|string|null $timezone Timezone name or 'system'|null for system timezone
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* (optional)
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* @return \DateTime
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*/
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public static function from_timestamp($value, $timezone=null) {
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$date = new \DateTime();
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$date -> setTimestamp($value);
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$date -> setTimezone(self :: timezone($timezone));
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return $date;
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}
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/**
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* Create \DateTime object
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* @param int|null $timezone The expected timezone (optional, default: system one)
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* @param \DateTimeZone|string|null $timezone Timezone name or 'system'|null for system timezone
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* (optional)
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* @return \DateTime
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*/
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public static function now($timezone=null) {
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$date = new \DateTime();
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$date -> setTimezone(self :: timezone($timezone));
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return $date;
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}
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}
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