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POhow to encode and decode multidimensional arrays in php?
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copied!<blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/5322129/php-array-encoding-and-decodingneed-a-function-for-encoding-and-decoding-string">PHP array Encoding and Decoding:Need a function for encoding and decoding string or array with delimiters or array itself…</a> </p> </blockquote> <p>hi. i am new to php. i need to write two separate functions for encoding and decoding of multidimensional arrays in php. i have attached one plugin .......... encode.class.php..............</p> <pre><code><?php /*------------------------- Author: Jonathan Pulice Date: July 26th, 2005 Name: JPEncodeClass v1 Desc: Encoder and decoder using patterns. -------------------------*/ class Protector { var $Pattern = ""; var $PatternFlip = ""; var $ToEncode = ""; var $ToDecode = ""; var $Decoded = ""; var $Encoded = ""; var $Bug = false; var $DecodePattern = ""; function Debug($on = true) { $this->Bug = $on; } function Encode() { $ar = explode(":", $this->Pattern); $enc = $this->ToEncode; if ($this->Bug) echo "\n"; foreach ($ar as $num => $ltr) { switch ($ltr) { case "E": $enc = base64_encode($enc); break; case "D": $enc = base64_decode($enc); break; case "R": $enc = strrev($enc); break; case "I": $enc = $this->InvertCase($enc); break; } if ($this->Bug) echo "\n"; } if ($this->Bug) echo "\n\n"; @$this->Encoded = ($enc == $this->Str) ? "<font color='red'>No Encoding/Decoding Pattern Detected!</font>" : $enc; return $this->Encoded; } function Decode() { $pattern = ($this->DecodePattern != "") ? $this->DecodePattern : $this->Pattern; //Reverse the pattern $this->PatternFlip($pattern); //make into an array $ar = explode(":", $this->PatternFlip); $t = ($this->Encoded == "") ? $this->ToDecode : $this->Encoded; if ($this->Bug) echo "\n"; foreach ($ar as $num => $ltr) { switch ($ltr) { case "E": $t = base64_encode($t); break; case "D": $t = base64_decode($t); break; case "R": $t = strrev($t); break; case "I": $t = $this->InvertCase($t); break; } if ($this->Bug) echo "\n"; } if ($this->Bug) echo "\n\n"; $this->Decoded = ($t == $this->Encoded) ? "<font color='red'>No Encoding/Decoding Pattern Detected!</font>" : $t; return $this->Decoded; } function MakePattern($len = 10) { //possible letters // E - Base64 Encode // R - Reverse String // I - Inverse Case $poss = array('E','R', 'I'); //generate a string for ( $i = 0 ; $i < $len ; $i++ ) { $tmp[] = $poss[ rand(0,2) ]; } //echo $str. "<br>"; //fix useless pattern section RR II $str = implode(":", $tmp); //fix $str = str_replace( 'R:R:R:R:R:R' , 'R:E:R:E:R:E' , $str ); $str = str_replace( 'R:R:R:R:R' , 'R:E:R:E:R' , $str ); $str = str_replace( 'R:R:R:R' , 'R:E:R:E' , $str ); $str = str_replace( 'R:R:R' , 'R:E:R' , $str ); $str = str_replace( 'R:R' , 'R:E' , $str ); //fix $str = str_replace( 'I:I:I:I:I:I' , 'I:E:I:E:I:E' , $str ); $str = str_replace( 'I:I:I:I:I' , 'I:E:I:E:I' , $str ); $str = str_replace( 'I:I:I:I' , 'I:E:I:E' , $str ); $str = str_replace( 'I:I:I' , 'I:E:I' , $str ); $str = str_replace( 'I:I' , 'I:E' , $str ); //string is good, set as pattern $this->Pattern = $str; return $this->Pattern; //if we need it } function PatternFlip($pattern) { //reverse the pattern $str = strrev($pattern); $ar = explode(":", $str); foreach ($ar as $num => $ltr) { switch ($ltr) { case "E": $tmp[] = "D"; break; case "D": $tmp[] = "E"; break; case "R": $tmp[] = "R"; break; case "I": $tmp[] = "I"; break; } } $rev = implode(":", $tmp); $this->PatternFlip = $rev; return $this->PatternFlip; } // This is my custom Case Invertor! // if you would like to use this in a script, please credit it to me, thank you function InvertCase($str) { //Do initial conversion $new = strtoupper( $str ); //spluit into arrays $s = str_split( $str ); $n = str_split( $new ); //now we step through each letter, and if its the same as before, we swap it out for ($i = 0; $i < count($s); $i++) { if ( $s[$i] === $n[$i] ) //SWAP THE LETTER { //ge the letter $num = ord( $n[$i] ); //see if the ord is in the alpha ranges ( 65 - 90 | 97 - 122 ) if ( ( $num >= 65 AND $num <= 90 ) OR ( $num >= 97 AND $num <= 122 ) ) { if ($num < 97 ) { $num = $num + 32; } else { $num = $num - 32; } $newchr = chr($num); $n[$i] = $newchr; } } } //join the new string back together $newstr = implode("", $n); return $newstr; } } ?>............ </code></pre> <p>from this plugin i need to use the encode and decode functions in my functions for pattern checking. If anybody can help me.......It ll be good for me.coz i am in need of it........</p>

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