Code Examples -> Using data from a string.

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PHP Code Examples

Title :	Using data from a string.
Categories :	PHP, Strings, CURL	Adam Royle
Date :	Mar 22nd 2002
Grade :	2 of 5 (graded 5 times)
Viewed :	4738
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by Adam Royle
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?

// I wrote this function in response to someone's question on the PHP-DB mailing
// list. What they wanted to do was get the output of a curl function and break it
// up into variables that they can use. You can (if you want) specify the newline
// separator as well as the the name/value separator. Default newline is '\n' and
// default name/value separator is '='.

header("Content-Type: text/plain");

$strText = "Name1=Value1 \n Name2 = Value 2\nName 3 =Value 3";

$arrPairs = extractPairs($strText);

print_r($arrPairs);

//Output:

Array
(
[Name1] => Value1
[Name2] => Value 2
[Name 3] => Value 3
)

//And here's the function you can use

// this one splits with \n and =
$arrPairs = extractPairs($strText);

// this one splits with \n and --
$arrPairs = extractPairs($strText,"--");

// this one splits with <br> and -->
$arrPairs = extractPairs($strText,"-->","<br>");

function extractPairs($strText,$strValueSeparator="=",$strNewlineSeparator="\n"){

        // kill the bad stuff... prevent a meaningless array
        if (!is_string($strText)){ return array(""=>""); }

        // gets rid of newlines/spaces etc so we don't get a crap array
        $strText = trim($strText);

        // separate each line in an element in an array
        $arrLines = explode($strNewlineSeparator,$strText);

        // loop through $arrLines, separating the
        // names/values and placing them in $arrOutput
        for ($i=0;$i<count($arrLines);$i++){
                $pos = strpos($arrLines[$i],$strValueSeparator);

                // get the text before and after the found position
                // and get rid of the whitespace b4 and after
                $tempName = trim(substr($arrLines[$i],0,$pos));
                $tempValue = trim(substr($arrLines[$i],$pos+1));

                // if its all cool, chuck it on the array
                if ($tempName && $tempValue){
                        $arrOutput[$tempName] = $tempValue;
                }
        }

        return $arrOutput;
}

?>

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