HELP :: PHP regular expression question
This is a discussion on HELP :: PHP regular expression question within the Coding Help forums, part of the Webmaster Help category; I have to change the values of several variables passed as a string containing url parameters. But only the "to_" ...
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10-03-2007, 03:15 AM
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 HELP :: PHP regular expression question I have to change the values of several variables passed as a string containing url parameters. But only the "to_" date variables! "from_yyyy=2006&from_mm=03&from_dd=08&to_yyyy=2007 &to_mm=01&to_dd=08" Is preg_match the best option? Can someone give me advice on best way to approach the PCRE expression?         |
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10-03-2007, 03:25 AM
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| Looks easy with preg_replace and an array of strings of each date. But I'm a crappy programmer, I could be wrong.
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10-03-2007, 12:58 PM
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| I think this is the most technically correct way to do it: Code: <?php
$output = array();
parse_str( 'from_yyyy=2006&from_mm=03&from_dd=08&to_yyyy=2007 &to_mm=01&to_dd=08', $output );
if( isset($output['to_yyyy']) ){
//New Year
$output['to_yyyy'] = '';
}
if( isset($output['to_mm']) ){
//New Month
$output['to_mm'] = '';
}
if( isset($output['to_dd']) ){
//New Day
$output['to_dd'] = '';
}
$new_str = '';
$i=0;
foreach( $output as $k=>$v )
{
$new_str .= (($i>0)?('&'):('')) . $k . '=' . $v;
$i++;
}
echo $new_str;
?>
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13-03-2007, 10:33 PM
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| DavidDoran, you are a legend. Works a treat and no sight-nor-sign of those presky regular expressions. Yet again I dodge the neccessity to get my hands dirty with the PCRL. |
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| Tags |
| expression, php, question, regular |
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