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PHP strtotime() Function

PHP Date Reference Complete PHP Date Reference

Definition and Usage

The strtotime() function parses an English textual date or time into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT).

Syntax

strtotime(time,now)

Parameter Description
time Required. Specifies the time string to parse
now Optional. Specifies the timestamp used to calculate the returned value. If this parameter is omitted, current time is used

Tips and Notes

Note: If the year is specified in a two-digit format, values between 0-69 are mapped to 2000-2069 and values between 70-100 are mapped to 1970-2000.

Note: In PHP 5.1.0 this function returns false on failure (earlier versions returns -1).

Example

<?php
echo(strtotime("now") . "<br />");
echo(strtotime("3 October 2005") . "<br />");
echo(strtotime("+5 hours") . "<br />");
echo(strtotime("+1 week") . "<br />");
echo(strtotime("+1 week 3 days 7 hours 5 seconds") . "<br />");
echo(strtotime("next Monday") . "<br />");
echo(strtotime("last Sunday"));
?>

The output of the code above could be:

1138614504
1128290400
1138632504
1139219304
1139503709
1139180400
1138489200

PHP Date Reference Complete PHP Date Reference
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