Code Examples -> Exploder class . Explodes a string into segments given any amount of delimiters. Can also esc characters.Useful for parsing query input from a form.

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PHP Code Examples

Title :	Exploder class . Explodes a string into segments given any amount of delimiters. Can also esc characters.Useful for parsing query input from a form.
Categories :	PHP Classes, HTTP	Ed Williams
Date :	May 04th 1999
Grade :	1 of 5 (graded 2 times)
Viewed :	5194
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by Ed Williams
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?
/******************************************************************
class Exploder
*******************************************************************

Purpose : split a string up into segments given delimiter(s)
Usage : pizza = "slice1:slice2|'slice3:|slice4'";
expl = new Exploder(array(":","|"), pizza, "'");
slices = expl->GetSegments();

        NOTE : segment three will be slice3:|slice4 because inbetween
                 esc chars

*******************************************************************/

class Exploder {

var $m_segments;

function Exploder($tokens, $string, $esc="") {

$string = stripslashes($string);
$segstart = false;
                $escstart = false;

                // loop through characters in string
                for ($i=0; $i < strlen($string); $i++) {

                        $char = $string[$i];

                        // check if token char
                        for ($t=0; ($t < count($tokens)); $t++)
                                if ($char == $tokens[$t] || $char == $esc)
                                        break;

                        // if not a token
                        if ($t == count($tokens) || $escstart && $char != $esc)
{
                                $segstart = true;
                                $segment .= $char;
                        } else {
                                if ($segstart) {
                                        $this->m_segments[] = $segment;
                                        $segment = "";
                                }
                                $segstart = false;
                        }

                        // check if esc has begun or ended
                        if ($char == $esc)
                                $escstart = !$escstart;

                }
                if ($segstart)
                        $this->m_segments[] = $segment;
        }

function GetSegments() {
return $this->m_segments;
}
function GetNumber() {
return count($this->m_segments);
}
};
?>

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User Comments

	Screw Driver wrote :300 `Very nice class. Works Perfectly. Thanks!!!`