Date

The date/time class

This class can be used to manage date and time values and perform date arithmetic.

Example

$date = new Hazaar\Date('next tuesday');
echo $date; //Echo's a timestamp such as '2013-01-15 11:00:00.0'

Timezones

It is possible to set the timezone globally for all date/time functions and classes.

For example, to set your timezone to 'Australia/ACT', in your application.ini file add the line:

pre. php.date.timezone = Australia/ACT

See the PHP Manual for a list of valid timezones.

If a timezone is not set in the application.ini file, nor is one set in the global PHP configuration then as a last ditch effort the Date class will default to UTC. This is because not having an ini setting in date.timzone will cause a PHP runtime error.

Properties

usec

public int $usec

dateFormat

Global format for date part.

public string $dateFormat

timeFormat

Global format for time part.

public string $timeFormat

defaultFormat

public string $defaultFormat

instanceFormat

private string $instanceFormat

Methods

__construct

public  __construct({Array})

The Date class constructor takes two values. A datetime declaration and a timezone. Both are optional. If now datetime is specified then the current datetime is used. If no timezone is specified then the default timezone will be used.

Parameters

Parameter	Type	Description
$datetime	mixed	The datetime value you want to work with. This can be either an integer representing

                                  the datetime Epoch value (seconds since 1970-01-01) or a string datetime description supported by the
                                  PHP strtotime() function. This means that textual datetime descriptions such as 'now' and 'next
                                  monday' will work. See the PHP documentation on
                                  [[http://au1.php.net/manual/en/function.strtotime.php|strtotime()]] for more information on valid
                                  formats. If the datetime value is not set, the current date and time will be used. |

| $timezone | string | The timezone for this datetime value. If no timezone is specified then the default timezone is used. |

__toString

Magic method to output the datetime value as a string.

public  __toString({Array})

Uses the Date::timestamp() method.

__export

public  __export({Array})

setFormat

public  setFormat({Array})

Parameters

Parameter	Type	Description
$format	string

setTimezone

Set the timezone for the date object.

public  setTimezone({Array})

Setting this will cause the date and time to be output using the specified timezone. If a timezone is not given then the default system timezone will be used. This is a good way to convert a date of another timezone into the current default system timezone.

Parameters

Parameter	Type	Description
$timezone	string	The timezone to set. This can be either a [[DateTimeZone]] object, a string

                                  representation of a timezone, an offset in the format hh:mm, or a numeric value
                                  of the timezone returned by timezone_identifiers_list(). If it is left null, then
                                  the default system timezone is used. |

formatTZ

Return the date time value using a format string for a specified timezone.

public  formatTZ({Array})

Parameters

Parameter	Type	Description
$format	string	A standard date format string
$timezone	string	The timezone to use to convert the date time value

getSQLDate

Get the current datetime value as an SQL compliant formatted string.

public  getSQLDate({Array})

sec

Returns the current datetime value as epoch (seconds passed since 1970-01-01).

public  sec({Array})

usec

Return the microsecond part of the datetime value.

public  usec({Array})

This will more than likely always be 0 (zero) unless specified in the constructor.

date

Return the date part formatted by the global date format.

public  date({Array})

time

Return the time part formatted by the global time format.

public  time({Array})

datetime

Return the date and time.

public  datetime({Array})

This will use the global date and time formats and concatenate them together, separated by a space.

timestamp

Get the timestamp formatted as a string.

public  timestamp({Array})

This will use the global date and time formats and concatenate them together, separated by a space.

age

Returns the age in years of the date with optional precision.

public  age({Array})

Parameters

Parameter	Type	Description
$precision	int	The number of digits to round an age to. Default: 0

diffSeconds

Returns the difference between the current date/time value and the value supplied as the first argument.

public  diffSeconds({Array})

Normally this method will return a \DateInterval object which is the default for the \DateTime class. However this functionality has been extended with the $returnSeconds parameter which will instead return an integer value indicating the difference in whole seconds.

Parameters

Parameter	Type	Description
$timestamp	\DateTimeInterface	The timestamp to compare the current date/time to

year

Returns the objects current year.

public  year({Array})

month

Returns the objects current month.

public  month({Array})

day

Returns the objects current day.

public  day({Array})

hour

Returns the objects current hour(.

public  hour({Array})

minute

Returns the objects current minute.

public  minute({Array})

second

Returns the objects current second.

public  second({Array})

add

Add a date/time interval to the current date/time.

public  add({Array})

See the PHP documentation on how to use the DateInterval object.

Parameters

Parameter	Type	Description
$interval	string	Can be either a \DateInterval object or a string representing an

                                    interval, such as P1H to specify 1 hour |

| $returnNew | boolean | Doesn't update the current \Hazaar\Date object and instead returns a new object with the interval applied |

sub

Subtract a date/time interval from the current date/time.

public  sub({Array})

See the PHP documentation on how to use the DateInterval object.

Parameters

Parameter	Type	Description
$interval	string	can be either a \DateInterval object or a string representing an interval, such as P1H to specify 1 hour
$returnNew	bool	doesn't update the current \Hazaar\Date object and instead returns a new object with the interval applied

compare

Compare the current date with the argument.

public  compare({Array})

Parameters

Parameter	Type	Description
$date	mixed
$includeTime	bool

start

Returns the start time of the current date as a Date object.

public  start({Array})

end

Returns the end time of the current date as a Date object.

public  end({Array})

firstOfWeek

Returns the first day of the current week as a Date object.

public  firstOfWeek({Array})

lastOfWeek

Returns the last day of the current week as a Date object.

public  lastOfWeek({Array})

firstOfMonth

Returns the first day of the current month as a Date object.

public  firstOfMonth({Array})

firstOfYear

Returns the first day of the current year as a Date object.

public  firstOfYear({Array})

lastOfYear

Returns the last day of the current year as a Date object.

public  lastOfYear({Array})

getFuzzyDiff

Return a fuzzy diff between the current time and the Date value.

public  getFuzzyDiff({Array})

Parameters

Parameter	Type	Description
$precise	bool	Boolean indicating if precise mode should be used. This generally adds the time

                             to day-based results. |

| $dateThresholdDays | int | A threshold in days after which the full date will be returned. Avoids situations like "3213 days ago" which is silly. |

getLocaleData

public  getLocaleData({Array})

Parameters

Parameter	Type	Description
$locale	string
$	bool

getLocaleDateFormat

public  getLocaleDateFormat({Array})

Parameters

Parameter	Type	Description
$locale	string

jsonSerialize

Outputs the UTC timestamp (EPOCH) When an object is included in a json_encode call.

public  jsonSerialize({Array})

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