Re: Re: Vars inside an sql query [Regular expression question]

From: Date: Thu, 12 Jun 2003 11:53:04 +0000
Subject: Re: Re: Vars inside an sql query [Regular expression question]
References: 1  Groups: php.general 
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At 13:54 12-6-03, you wrote:
I got a headache doing this, i need to get vars inside an sql query. For example : $query = "select * FROM table where id='$value' order by name"; preg_match_all("/^('\$(.*)')/si", $query,$matches);
That doesn't work as the new string already is like "select * FROM table where id='2' order by name" assuming $value was 2...
True, so try using $query = "select * FROM table where id='__VALUE__' order by name"; if you insist on doing it this way. If you decide to keep trying with the $value, you need to know that variables inside "double quotes" are entered on the spot, while not so with 'single quotes'. Also it is nice to know that the $ has a special position in preg_matching, i kept this mail from a post from december in this list:
such as $, you must escape it twice. For example: $matchme = "\$example"; if (preg_match("/\$example/", $matchme)) { will not be matched because PHP interprets the \$ and passes it as $. Instead, you must do this: if (preg_match("/\\\$example/", $matchme)) {


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