I have date in following format 07 Dec, 2010. I need to convert it to 07_Dec_2010.
How can I achieve following using single statement
Help appreciated
Thanks
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4 Answers
$newString = preg_replace('/\W+/', '_', $oldString);
This will replace any one or more non-word characters with a single underscore
$newdate = preg_replace('/[ ,]+/', '_', '07 Dec, 2010');
5 Comments
I-M-JM
does preg_replace have any compatibility issue like it works only on PHP 5 or something else?
Phil
@Rafe You're missing the regex delimeters around the pattern
Rafe Kettler
@PhilBrown thanks, that bit of PHP always mixes me up (never really got why that was necessary coming from Python)
Phil
@Rafe I hear you. I'd say it's because regular expressions aren't first class citizens in PHP, yet it still needs something to pass to the PCRE engine
Rafe Kettler
@PhilBrown regex aren't first class in Python either, but you can just pass a string to a regex function and it works that way. Dunno, a lot of the quirks of PHP syntax make no sense to me (why make everything ugly by requiring a sigil for a variable). It's all old perl stuff
$newdate = str_replace( ' ', '_', str_replace( ',','', "07 Dec, 2010" ) );
Edit:
$newdate = str_replace( array(',' , ' '), array('' , '_'), "07 Dec, 2010" );
5 Comments
Naveed
@downvoter: I will feel happy if you will tell me a reason and I will learn something new.
Naveed
Naveed
@pinaki: You still did not justify your comments.
pinaki
@NAVEED - you are right.. i think i confused the second blank with a underscore the other night; extremely sorry about that. On another note, i agree this does what is required, but is it one line? The OP wanted the change in a "single statement" and you have two statements there. I am not sure having multiple function calls in one-line can be termed as a single statement.
Naveed
@pinaki: Ok. I have edited my answer. Will you consider it as a single statement.
Try this:
echo date('d_M_Y',strtotime('07 Dec, 2010'));
