PHP Date Time | PHP Questions

Que.	Which of the following functions do not return a timestamp? 1. time() 2. date() 3. strtotime() 4. localtime() 5. gmmktime()
a.	Option 1 and 5
b.	Option 1 and 4
c.	Option 2 and 4
d.	Option 2 and 4
Answer: Option 2 and 4

Que.	What will the following script output? $time = strtotime ('2004/01/01'); echo date ('H:i:s', $time); ?>
a.	00:i:00
b.	12:i:00
c.	12:00:00
d.	0:00:00
Answer: -1

Que.	How many constants does the DateTime class have?
a.	10
b.	11
c.	8
d.	9
Answer: 11

Que.	To create an object and set the date to JUNE 22, 2013, which one of the following statement should be executed?
a.	$date = new Date(“JUNE 22 2013”)
b.	$date = new DateTime(“22 JUNE 2013”)
c.	$date = Date(“22 JUNE 2013”)
d.	$date = DateTime(“22 JUNE 2013”)
Answer: $date = new DateTime(“22 JUNE 2013”)

Que.	................Checks a date for numeric validity.
a.	check_date
b.	Verify_date
c.	checkdate
d.	verifydate

checkdate

Que.	Which function displays the web page’s most recent modification date?
a.	lastmod()
b.	get_last_mod()
c.	getlastmod()
d.	last_mod()
Answer: getlastmod()

Que.	What will be the output of the following PHP code? echo (checkdate(4,31,2 ? 'Valid' : 'Invalid'); ?>
a.	Valid
b.	Invalid
c.	FALSE
d.	TRUE
Answer: Invalid

Que.	.......... Returns the time of sunrise for a given day / location.
a.	date-sunrise()
b.	datesunrise()
c.	date.sunrise()
d.	date_sunrise()
Answer: date_sunrise()

Que.	Which one of the following function is useful for producing a timestamp based on a given date and time.
a.	mktime()
b.	time()
c.	mtime()
d.	mrtime()
Answer: mktime()

Que.	Say you want to calculate the date 45 days from the present date which one of the following statement will you use?
a.	totime(“+45”)
b.	totime(“+45 days”)
c.	strtotime(“-45 days”)
d.	strtotime(“+45 days”)

strtotime(“+45 days”)

Que.	Among the four PHP DateTimeZone classes given below how many are static? 1. listAbbreviations() 2. getName() 3. getOffset() 4. listIdentifiers()
a.	3
b.	4
c.	1
d.	2
Answer: 2

Que.	What will be the output of the following PHP code? If say date is 22/06/2013. printf( date("t") ) ?>
a.	JUNE
b.	22
c.	30
d.	2013
Answer: 30

Que.	The getdate() function returns
a.	An array
b.	An integer
c.	A string
d.	A floating-point number
Answer: boolean

Que.	Which one of the following format parameter can be used to identify timezone?
a.	I
b.	T
c.	N
d.	E
Answer: E

Que.	Which of the following statements can be used to add two months to the existing date?
a.	$date->modify(‘2+ months’);
b.	$date = modify(‘+2 months’);
c.	$date = modify(‘2+ months’);
d.	$date->modify(‘+2 months’);

$date->modify(‘+2 months’);

Que.	Which of the following statements can be used to set the time zone in individual scripts?
a.	date_set_default_timezone(‘Europe/London’);
b.	date_default_timezone(‘Europe/London’);
c.	date_default_timezone_set(‘Europe/London’);
d.	date_set_timezone(‘Europe/London’);
Answer: date_default_timezone_set(‘Europe/London’);

Que.	What will be the output of the following PHP code if date is 24/02/2008? $date = new DateTime(); echo $date->format('l,F,js,Y') ?>
a.	Sunday, 24 02 2008
b.	Sunday, 24th February 2008
c.	Sunday, February 24th 2008
d.	Sunday, 02 24 2008
Answer: Sunday, February 24th 2008

Que.	What will be the output of the following code? If say date is 22/06/2013. echo "Today is ".date("F d, Y") ?>
a.	Today is 22 June, 2013
b.	Today is 06-22-2013
c.	Today is 22-06-2013
d.	Today is June 22, 2013
Answer: Today is June 22, 2013

Que.	The date() function returns ___ representation of the current date and/or time.
a.	Boolean
b.	String
c.	Integer
d.	Float
Answer: String

Que.	Among the four PHP DateTimeZone classes given below how many are nonstatic? 1. _construct() 2. getName() 3. getOffset() 4. getTransitions()
a.	4
b.	2
c.	1
d.	3

4

Que.	Which of the following is the right way to use the DateTime class?
a.	$date = new DateTime();
b.	$date = get_Class(DateTime);
c.	$date = new class DateTime();
d.	$date = class DateTime;
Answer: $date = new DateTime();

Que.	Which method is simply an object-oriented version of date()?
a.	DateTime::setTime()
b.	DateTime::format()
c.	DateTime::modify()
d.	DateTime::setDate()
Answer: DateTime::format()

Que.	Which method enables you to calculate whether daylight saving time is in force at a specific date and time?
a.	savingTime()
b.	getTranitions()
c.	getOffset()
d.	ISODate()
Answer: getTranitions()

Que.	How many methods does the DateTime class have?
a.	8
b.	10
c.	11
d.	9
Answer: 9

Que.	If the format is F then which one of the following will be returned?
a.	Complete text representation of month
b.	Day of month, without zeros
c.	Day of month, with leading zero
d.	Daylight saving time

Complete text representation of month