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PHP Function idate()

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Syntax

int idate ( string $format [, int $timestamp] );

Definition and Usage

Returns a number formatted according to the given format string using the given integer timestamp or the current local time if no timestamp is given. In other words, timestamp is optional and defaults to the value of time().

Paramters

ParameterDescription
formatRequired. Specifies how to return the result:
  • B - Swatch Beat/Internet Time
  • d - Day of the month
  • h - Hour (12 hour format)
  • H - Hour (24 hour format)
  • i - Minutes
  • I - returns 1 if DST (daylight saving time) is activated, 0 otherwise
  • L - returns 1 for leap year, 0 otherwise
  • m - Month number
  • s - Seconds
  • t - Days in current month
  • U - Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)
  • w - Day of the week (Sunday=0)
  • W - ISO-8601 week number of year (week starts on Monday)
  • y - Year (1 or 2 digits)
  • Y - Year (4 digits)
  • z - Day of the year
  • Z - Timezone offset in seconds
timestampOptional. This is an integer Unix timestamp that defaults to the current local time if a timestamp is not given. In other words, it defaults to the value of time().

Return Value

Always returns an integer and as they can't start with a "0", idate() may return fewer digits than you would expect.

Example

Following is the usage of this function:

<?php
$timestamp = strtotime('1st January 2004');
echo idate('y', $timestamp);
echo"\n";
echo idate('t', $timestamp);
?>

This will produce following result:

4
31
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