Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.php > #15130

Re: Appropriate PDO::PARAM_<what here> for monetary value

From Jerry Stuckle <jstucklex@attglobal.net>
Newsgroups comp.lang.php
Subject Re: Appropriate PDO::PARAM_<what here> for monetary value
Date 2015-03-23 21:23 -0400
Organization A noiseless patient Spider
Message-ID <meqe8k$37m$1@dont-email.me> (permalink)
References <f4e9620d-19da-402a-94e5-de45797377f3@googlegroups.com> <meqbr0$rin$1@dont-email.me> <9fc7ffe3-e295-436f-904f-a368b7a2084c@googlegroups.com>

Show all headers | View raw


On 3/23/2015 8:56 PM, Fernando Basso wrote:
> On Monday, March 23, 2015 at 9:42:05 PM UTC-3, Jerry Stuckle wrote:
>> On 3/23/2015 7:23 PM, Fernando Basso wrote:
>>> Suppose I have this situation:
>>>
>>>     $price = '33.99';
>>>     $sth = $db->prepare( $sql );
>>>     $sth->bindParam( ':price', $price, PDO::PARAM_<what here?>
>>>
>>> What is the appropriate PDO param constant for that situation?
>>>
>>
>> It all depends on what the type in the database is.  Is it a numeric
>> type such as FLOAT or DOUBLE?  Or is it a string type such as VARCHAR?
> 
> In this case it is MariaDB, and the type of that specific
> column is NUMERIC(8,2). I failed to find something that seemed
> appropriate http://php.net/manual/en/pdo.constants.php
> 
>> The type here needs to match what's in the database.
>>

I can't answer for MariaDB - never used it.  However, I think it's still
close enough to MySQL.

The problem is there is no NUMERIC (DECIMAL) equivalent in PHP (or most
languages, for that matter).  So in PHP you have to store/retrieve the
value as a string (PDO::PARAM_STR).

Just remember that when converting to/from a floating point value in
PHP, most decimal values do not have an exact representation.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
jstucklex@attglobal.net
==================

Back to comp.lang.php | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Appropriate PDO::PARAM_<what here> for monetary value Fernando Basso <fernandobasso.br@gmail.com> - 2015-03-23 16:23 -0700
  Re: Appropriate PDO::PARAM_<what here> for monetary value Jerry Stuckle <jstucklex@attglobal.net> - 2015-03-23 20:41 -0400
    Re: Appropriate PDO::PARAM_<what here> for monetary value Fernando Basso <fernandobasso.br@gmail.com> - 2015-03-23 17:56 -0700
      Re: Appropriate PDO::PARAM_<what here> for monetary value Jerry Stuckle <jstucklex@attglobal.net> - 2015-03-23 21:23 -0400
        Re: Appropriate PDO::PARAM_<what here> for monetary value Fernando Basso <fernandobasso.br@gmail.com> - 2015-03-24 10:42 -0700

csiph-web