CODEWITHSUNDEEP
phpdatestrtotime
Ashwini Agarwal
Ashwini Agarwal

Reputation: 4858

Strange behavior of Date Function

I encountered with this question today on StackOverflow but didn't get answer.

My question is 

echo date('Y-m-d',strtotime('2012-september-09')); // output - 2012-09-01

echo date('Y-m-d',strtotime('09-september-2012')); // output - 2012-09-09

Codepad

I am confused that why the first format don't produce correct answer. Any Help?

Upvotes: 4

Views: 122

Answers (3)

Ravichandran Jothi
Ravichandran Jothi

Reputation: 3066

I think in your code,

echo date('Y-m-d',strtotime('2012-september-09'));

strtotime('2012-september-09') is not a valid format ('2012-september-09') for strtotime() date function.

refer this link http://www.php.net/manual/en/datetime.formats.date.php

Upvotes: 1

lanzz
lanzz

Reputation: 43158

This is not behavior of the date function but of the strtotime. strtotime can handle only dates in specific formats listed on the Date Formats manual page. 09-september-2012 is in the dd ([ \t.-])* m ([ \t.-])* y format listed there, but 2012-september-09 does not match any of the supported formats.

Upvotes: 4

JvdBerg
JvdBerg

Reputation: 21856

From the manual:

if the separator is a slash (/), then the American m/d/y is assumed; whereas if the separator is a dash (-) or a dot (.), then the European d-m-y format is assumed.

Upvotes: 6

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