PHP Date and Time Questions and Answers with Useful Programs
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PHP Programming : PHP Date and Time
PHP Date and Time Multiple Choice Questions and Answers with Useful Programs and Explanations.
1. How many php methods are available in DateTime Class?
Answer: A. 12
Explanation:
DateTime class have nine methods as below:DateTime::add — Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object
DateTime::__construct — Returns new DateTime object
DateTime::createFromFormat — Returns new DateTime object formatted according to the specified format
DateTime::getLastErrors — Returns the warnings and errors
DateTime::modify — Alters the timestamp
DateTime::__set_state — The __set_state handler
DateTime::setDate — Sets the date
DateTime::setISODate — Sets the ISO date
DateTime::setTime — Sets the time
DateTime::setTimestamp — Sets the date and time based on an Unix timestamp
DateTime::setTimezone — Sets the time zone for the DateTime object
DateTime::sub — Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object
2. How many constants does the DateTime class have in php 5.6?
Answer: D. 11
Explanation:
Nine constants are available in DateTime class in php 5.6 are as below:
const COOKIE = 'l, d-M-y H:i:s T';
const ISO8601 = 'Y-m-d\TH:i:sO';
const RFC822 = 'D, d M y H:i:s O';
const RFC850 = 'l, d-M-y H:i:s T';
const RFC1036 = 'D, d M y H:i:s O';
const RFC1123 = 'D, d M Y H:i:s O';
const RFC2822 = 'D, d M Y H:i:s O';
const RFC3339 = 'Y-m-d\TH:i:sP';
const RSS = 'D, d M Y H:i:s O';
const W3C = 'Y-m-d\TH:i:sP';
3. Which one of the following format parameter is correct to get timezone in date() function?
Answer: C. e
Explanation:
echo date('e');
Examples: UTC, GMT, Atlantic/Azores
4. Which one of the following format parameter can be used to get seconds with leading zero?
Answer: D. s
Explanation:
echo date('s');
It will return current seconds with leading zero 00 through 59.
5. How we can set default timezone for our PHP application or website?
Answer: C. date_default_timezone_set('UTC');
Explanation:
date_default_timezone_set('UTC'); is used to set the default timezone to use. Available since PHP 5.1
6. What will be the output of following PHP snippet?
<?php
echo date('\i\t \i\s \t\h\e jS \d\a\y.');
?>
Answer: B. it is the 10th day.
7. Which of the following functions do not return a timestamp?
Answer: B. date()
8. ................ Formats a local time or date according to locale settings.
Answer: A. strftime
9. The ......... function parses an English textual date or time into a Unix timestamp
Answer: C. strtotime()
10. What would happen if the following script were run on a Windows server set to Moscow, Russia’s time zone?
<?php
echo gmmktime(0, 0, 0, 1, 1, 1970);
?>
<?php
echo gmmktime(0, 0, 0, 1, 1, 1970);
?>
Answer: B. It would output the number -1
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PHP Date and Time Programs/Functions
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Davinder Singh 1 year ago Reply
Thanks admin ... i really like this... please share more questions
Yogesh 1 year ago
yes its really nice ...