Function auth_error has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

as$x=>$V){list($X,$O,$T,$h)=array_map('base64_decode',explode("-",$x));if($X==DRIVER&&$O==SERVER&&$T==$_GET["username"]&&$h==DB)unset($gd[$x]);}cookie("adminer_permanent",implode(" ",$gd));}function
auth_error($k){global$b,$Zb;$k=h($k);$Od=session_name();if(isset($_GET["username"])){header("HTTP/1.1 403 Forbidden");if(($_COOKIE[$Od]||$_GET[$Od])&&!$Zb)$k='Session expired, please login again.';else{add_invalid_login();$G=get_password();if($G!==null){if($G===false)$k.='<br>'.sprintf('Master password expired. <a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to make it permanent.','<code>permanentLogin()</code>');set_password(DRIVER,SERVER,$_GET["username"],null);}unset_permanent();}}if(!$_COOKIE[$Od]&&$_GET[$Od]&&ini_bool("session.use_only_cookies"))$k='Session support must be enabled.';$ed=session_get_cookie_params();cookie("adminer_key",($_COOKIE["adminer_key"]?$_COOKIE["adminer_key"]:rand_string()),$ed["lifetime"]);page_header('Login',$k,null);echo"<form action='' method='post'>\n";$b->loginForm();echo"<div>";hidden_fields($_POST,array("auth"));echo"</div>\n","</form>\n";page_footer("auth");exit;}if(isset($_GET["username"])){if(!class_exists("Min_DB")){unset($_SESSION["pwds"][DRIVER]);unset_permanent();page_header('No extension',sprintf('None of the supported PHP extensions (%s) are available.',implode(", ",$kd)),false);page_footer("auth");exit;}$f=connect();}$i=new

• Read up
  Read up

Function _applyPlugin has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

    function _applyPlugin($function, $args) {
        foreach ($this->plugins as $plugin) {
            if (method_exists($plugin, $function)) {
                switch (count($args)) { // call_user_func_array() doesn't work well with references
                    case 0: $return = $plugin->$function(); break;

• Read up
  Read up

Function auth_error has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

as$z=>$X){list($Jg,$O,$V,$i)=array_map('base64_decode',explode("-",$z));if($Jg==DRIVER&&$O==SERVER&&$V==$_GET["username"]&&$i==DB)unset($ze[$z]);}cookie("adminer_permanent",implode(" ",$ze));}function
auth_error($k){global$b,$Dc;$k=h($k);$wf=session_name();if(isset($_GET["username"])){header("HTTP/1.1 403 Forbidden");if(($_COOKIE[$wf]||$_GET[$wf])&&!$Dc)$k='Session expired, please login again.';else{add_invalid_login();$we=get_password();if($we!==null){if($we===false)$k.='<br>'.sprintf('Master password expired. <a href="https://www.adminer.org/en/extension/" target="_blank">Implement</a> %s method to make it permanent.','<code>permanentLogin()</code>');set_password(DRIVER,SERVER,$_GET["username"],null);}unset_permanent();}}if(!$_COOKIE[$wf]&&$_GET[$wf]&&ini_bool("session.use_only_cookies"))$k='Session support must be enabled.';$pe=session_get_cookie_params();cookie("adminer_key",($_COOKIE["adminer_key"]?$_COOKIE["adminer_key"]:rand_string()),$pe["lifetime"]);page_header('Login',$k,null);echo"<form action='' method='post'>\n";$b->loginForm();echo"<div>";hidden_fields($_POST,array("auth"));echo"</div>\n","</form>\n";page_footer("auth");exit;}if(isset($_GET["username"])){if(!class_exists("Min_DB")){unset($_SESSION["pwds"][DRIVER]);unset_permanent();page_header('No extension',sprintf('None of the supported PHP extensions (%s) are available.',implode(", ",$Ee)),false);page_footer("auth");exit;}$e=connect();}$j=new

• Read up
  Read up

Method create_xml_response has 42 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function create_xml_response() 
{
  global $linenumber, $foffset, $totalqueries, $curfilename, $delimiter,
                 $lines_this, $lines_done, $lines_togo, $lines_tota,
                 $queries_this, $queries_done, $queries_togo, $queries_tota,

Consider simplifying this complex logical expression.

Open

as$i=>$S){$hf=h(ME)."db=".urlencode($i);echo"<tr".odd().">".(support("database")?"<td>".checkbox("db[]",$i,in_array($i,(array)$_POST["db"])):""),"<th><a href='$hf'>".h($i)."</a>";$Wa=nbsp(db_collation($i,$Xa));echo"<td>".(support("database")?"<a href='$hf".($of?"&amp;ns=":"")."&amp;database=' title='".'Alter database'."'>$Wa</a>":$Wa),"<td align='right'><a href='$hf&amp;schema=' id='tables-".h($i)."' title='".'Database schema'."'>".($_GET["dbsize"]?$S:"?")."</a>","<td align='right' id='size-".h($i)."'>".($_GET["dbsize"]?db_size($i):"?"),"\n";}echo"</table>\n",(support("database")?"<fieldset><legend>".'Selected'." <span id='selected'></span></legend><div>\n"."<input type='hidden' name='all' value='' onclick=\"selectCount('selected', formChecked(this, /^db/));\">\n"."<input type='submit' name='drop' value='".'Drop'."'".confirm().">\n"."</div></fieldset>\n":""),"<script type='text/javascript'>tableCheck();</script>\n","<input type='hidden' name='token' value='$T'>\n","</form>\n";}}page_footer("db");}if(isset($_GET["status"]))$_GET["variables"]=$_GET["status"];if(isset($_GET["import"]))$_GET["sql"]=$_GET["import"];if(!(DB!=""?$e->select_db(DB):isset($_GET["sql"])||isset($_GET["dump"])||isset($_GET["database"])||isset($_GET["processlist"])||isset($_GET["privileges"])||isset($_GET["user"])||isset($_GET["variables"])||$_GET["script"]=="connect"||$_GET["script"]=="kill")){if(DB!=""||$_GET["refresh"]){restart_session();set_session("dbs",null);}connect_error();exit;}$Vd="RESTRICT|NO ACTION|CASCADE|SET NULL|SET DEFAULT";class

Function dumpData has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

    function dumpData($table, $style, $query) {
        if ($_POST['format'] == 'json') {
            if ($this->database) {
                echo ",\n";
            } else {

• Read up
  Read up

Function selectSearchPrint has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

selectColumnsPrint($N,$e){}function
selectSearchPrint($Y,$e,$t){$Y=(array)$_GET["where"];echo'<fieldset id="fieldset-search"><legend>'.'Search'."</legend><div>\n";$qc=array();foreach($Y
as$x=>$V)$qc[$V["col"]]=$x;$q=0;$m=fields($_GET["select"]);foreach($e
as$D=>$db){$l=$m[$D];if(preg_match("~enum~",$l["type"])||like_bool($l)){$x=$qc[$D];$q--;echo"<div>".h($db)."<input type='hidden' name='where[$q][col]' value='".h($D)."'>:",(like_bool($l)?" <select name='where[$q][val]'>".optionlist(array(""=>"",'no','yes'),$Y[$x]["val"],true)."</select>":enum_input("checkbox"," name='where[$q][val][]'",$l,(array)$Y[$x]["val"],($l["null"]?0:null))),"</div>\n";unset($e[$D]);}elseif(is_array($Xc=$this->_foreignKeyOptions($_GET["select"],$D))){if($m[$D]["null"])$Xc[0]='('.'empty'.')';$x=$qc[$D];$q--;echo"<div>".h($db)."<input type='hidden' name='where[$q][col]' value='".h($D)."'><input type='hidden' name='where[$q][op]' value='='>: <select name='where[$q][val]'>".optionlist($Xc,$Y[$x]["val"],true)."</select></div>\n";unset($e[$D]);}}$q=0;foreach($Y
as$V){if(($V["col"]==""||$e[$V["col"]])&&"$V[col]$V[val]"!=""){echo"<div><select name='where[$q][col]'><option value=''>(".'anywhere'.")".optionlist($e,$V["col"],true)."</select>",html_select("where[$q][op]",array(-1=>"")+$this->operators,$V["op"]),"<input type='search' name='where[$q][val]' value='".h($V["val"])."' onkeydown='selectSearchKeydown(this, event);' onsearch='selectSearchSearch(this);'></div>\n";$q++;}}echo"<div><select name='where[$q][col]' onchange='this.nextSibling.nextSibling.onchange();'><option value=''>(".'anywhere'.")".optionlist($e,null,true)."</select>",html_select("where[$q][op]",array(-1=>"")+$this->operators),"<input type='search' name='where[$q][val]' onchange='selectAddRow(this);' onsearch='selectSearch(this);'></div>\n","</div></fieldset>\n";}function

• Read up
  Read up

Function get_file has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

pagination($F,$Ya){return" ".($F==$Ya?$F+1:'<a href="'.h(remove_from_uri("page").($F?"&page=$F".($_GET["next"]?"&next=".urlencode($_GET["next"]):""):"")).'">'.($F+1)."</a>");}function
get_file($x,$bb=false){$Eb=$_FILES[$x];if(!$Eb)return
null;foreach($Eb
as$x=>$V)$Eb[$x]=(array)$V;$K='';foreach($Eb["error"]as$x=>$k){if($k)return$k;$D=$Eb["name"][$x];$pe=$Eb["tmp_name"][$x];$Ta=file_get_contents($bb&&preg_match('~\\.gz$~',$D)?"compress.zlib://$pe":$pe);if($bb){$Td=substr($Ta,0,3);if(function_exists("iconv")&&preg_match("~^\xFE\xFF|^\xFF\xFE~",$Td,$yd))$Ta=iconv("utf-16","utf-8",$Ta);elseif($Td=="\xEF\xBB\xBF")$Ta=substr($Ta,3);$K.=$Ta."\n\n";}else$K.=$Ta;}return$K;}function

• Read up
  Read up

Function get_file has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

pagination($G,$nb){return" ".($G==$nb?$G+1:'<a href="'.h(remove_from_uri("page").($G?"&page=$G".($_GET["next"]?"&next=".urlencode($_GET["next"]):""):"")).'">'.($G+1)."</a>");}function
get_file($z,$ub=false){$mc=$_FILES[$z];if(!$mc)return
null;foreach($mc
as$z=>$X)$mc[$z]=(array)$X;$K='';foreach($mc["error"]as$z=>$k){if($k)return$k;$F=$mc["name"][$z];$jg=$mc["tmp_name"][$z];$fb=file_get_contents($ub&&preg_match('~\\.gz$~',$F)?"compress.zlib://$jg":$jg);if($ub){$Cf=substr($fb,0,3);if(function_exists("iconv")&&preg_match("~^\xFE\xFF|^\xFF\xFE~",$Cf,$af))$fb=iconv("utf-16","utf-8",$fb);elseif($Cf=="\xEF\xBB\xBF")$fb=substr($fb,3);$K.=$fb."\n\n";}else$K.=$fb;}return$K;}function

• Read up
  Read up

Function edit_fields has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

type_class($U){foreach(array('char'=>'text','date'=>'time|year','binary'=>'blob','enum'=>'set',)as$z=>$X){if(preg_match("~$z|$X~",$U))return" class='$z'";}}function
edit_fields($m,$Xa,$U="TABLE",$o=array(),$cb=false){global$e,$Oc;$m=array_values($m);echo'<thead><tr class="wrap">
';if($U=="PROCEDURE"){echo'<td>&nbsp;';}echo'<th>',($U=="TABLE"?'Column name':'Parameter name'),'<td>Type<textarea id="enum-edit" rows="4" cols="12" wrap="off" style="display: none;" onblur="editingLengthBlur(this);"></textarea>
<td>Length
<td>Options

• Read up
  Read up

Function search_tables has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

fields_from_edit(){global$i;$K=array();foreach((array)$_POST["field_keys"]as$x=>$V){if($V!=""){$V=bracket_escape($V);$_POST["function"][$V]=$_POST["field_funs"][$x];$_POST["fields"][$V]=$_POST["field_vals"][$x];}}foreach((array)$_POST["fields"]as$x=>$V){$D=bracket_escape($x,1);$K[$D]=array("field"=>$D,"privileges"=>array("insert"=>1,"update"=>1),"null"=>1,"auto_increment"=>($x==$i->primary),);}return$K;}function
search_tables(){global$b,$f;$_GET["where"][0]["op"]="LIKE %%";$_GET["where"][0]["val"]=$_POST["query"];$Qb=false;foreach(table_status('',true)as$R=>$S){$D=$b->tableName($S);if(isset($S["Engine"])&&$D!=""&&(!$_POST["tables"]||in_array($R,$_POST["tables"]))){$J=$f->query("SELECT".limit("1 FROM ".table($R)," WHERE ".implode(" AND ",$b->selectSearchProcess(fields($R),array())),1));if(!$J||$J->fetch_row()){if(!$Qb){echo"<ul>\n";$Qb=true;}echo"<li>".($J?"<a href='".h(ME."select=".urlencode($R)."&where[0][op]=".urlencode($_GET["where"][0]["op"])."&where[0][val]=".urlencode($_GET["where"][0]["val"]))."'>$D</a>\n":"$D: <span class='error'>".error()."</span>\n");}}}echo($Qb?"</ul>":"<p class='message'>".'No tables.')."\n";}function

• Read up
  Read up

Function insertUpdate has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

insert($Q,$P){return($P?parent::insert($Q,$P):queries("INSERT INTO ".table($Q)." ()\nVALUES ()"));}function
insertUpdate($Q,$M,$He){$d=array_keys(reset($M));$Fe="INSERT INTO ".table($Q)." (".implode(", ",$d).") VALUES\n";$Hg=array();foreach($d
as$z)$Hg[$z]="$z = VALUES($z)";$Kf="\nON DUPLICATE KEY UPDATE ".implode(", ",$Hg);$Hg=array();$ld=0;foreach($M
as$P){$Y="(".implode(", ",$P).")";if($Hg&&(strlen($Fe)+$ld+strlen($Y)+strlen($Kf)>1e6)){if(!queries($Fe.implode(",\n",$Hg).$Kf))return
false;$Hg=array();$ld=0;}$Hg[]=$Y;$ld+=strlen($Y)+2;}return

• Read up
  Read up

Function dumpData has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

    function dumpData($table, $style, $query) {
        if ($_POST['format'] == 'xml') {
            if (!$this->database) {
                $this->database = true;
                echo "<database name='" . h(DB) . "'>\n";

• Read up
  Read up

Function search_tables has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

fields_from_edit(){global$j;$K=array();foreach((array)$_POST["field_keys"]as$z=>$X){if($X!=""){$X=bracket_escape($X);$_POST["function"][$X]=$_POST["field_funs"][$z];$_POST["fields"][$X]=$_POST["field_vals"][$z];}}foreach((array)$_POST["fields"]as$z=>$X){$F=bracket_escape($z,1);$K[$F]=array("field"=>$F,"privileges"=>array("insert"=>1,"update"=>1),"null"=>1,"auto_increment"=>($z==$j->primary),);}return$K;}function
search_tables(){global$b,$e;$_GET["where"][0]["op"]="LIKE %%";$_GET["where"][0]["val"]=$_POST["query"];$uc=false;foreach(table_status('',true)as$Q=>$R){$F=$b->tableName($R);if(isset($R["Engine"])&&$F!=""&&(!$_POST["tables"]||in_array($Q,$_POST["tables"]))){$J=$e->query("SELECT".limit("1 FROM ".table($Q)," WHERE ".implode(" AND ",$b->selectSearchProcess(fields($Q),array())),1));if(!$J||$J->fetch_row()){if(!$uc){echo"<ul>\n";$uc=true;}echo"<li>".($J?"<a href='".h(ME."select=".urlencode($Q)."&where[0][op]=".urlencode($_GET["where"][0]["op"])."&where[0][val]=".urlencode($_GET["where"][0]["val"]))."'>$F</a>\n":"$F: <span class='error'>".error()."</span>\n");}}}echo($uc?"</ul>":"<p class='message'>".'No tables.')."\n";}function

• Read up
  Read up

Function insertUpdate has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

insert($R,$P){return($P?parent::insert($R,$P):queries("INSERT INTO ".table($R)." ()\nVALUES ()"));}function
insertUpdate($R,$M,$md){$e=array_keys(reset($M));$ld="INSERT INTO ".table($R)." (".implode(", ",$e).") VALUES\n";$Ge=array();foreach($e
as$x)$Ge[$x]="$x = VALUES($x)";$Zd="\nON DUPLICATE KEY UPDATE ".implode(", ",$Ge);$Ge=array();$xc=0;foreach($M
as$P){$W="(".implode(", ",$P).")";if($Ge&&(strlen($ld)+$xc+strlen($W)+strlen($Zd)>1e6)){if(!queries($ld.implode(",\n",$Ge).$Zd))return
false;$Ge=array();$xc=0;}$Ge[]=$W;$xc+=strlen($W)+2;}return

• Read up
  Read up

Method drop_create has 11 arguments (exceeds 4 allowed). Consider refactoring.

Open

drop_create($Fb,$g,$Gb,$Yf,$Hb,$B,$Ad,$zd,$_d,$Rd,$Id){if($_POST["drop"])query_redirect($Fb,$B,$Ad);elseif($Rd=="")query_redirect($g,$B,$_d);elseif($Rd!=$Id){$lb=queries($g);queries_redirect($B,$zd,$lb&&queries($Fb));if($lb)queries($Gb);}else

Consider simplifying this complex logical expression.

Open

as$x=>$V){if($x===""||!$V)break;$Ib++;}$Sc=($Ib?" onchange=\"var f = this.form['function[".h(js_escape(bracket_escape($l["field"])))."]']; if ($Ib > f.selectedIndex) f.selectedIndex = $Ib;\" onkeyup='keyupChange.call(this);'":"");$c.=$Sc;$Yb=(in_array($o,$Tb)||isset($Tb[$o]));echo(count($Tb)>1?"<select name='function[$D]' onchange='functionChange(this);'".on_help("getTarget(event).value.replace(/^SQL\$/, '')",1).">".optionlist($Tb,$o===null||$Yb?$o:"")."</select>":nbsp(reset($Tb))).'<td>';$mc=$b->editInput($_GET["edit"],$l,$c,$W);if($mc!="")echo$mc;elseif($l["type"]=="set"){preg_match_all("~'((?:[^']|'')*)'~",$l["length"],$Bc);foreach($Bc[1]as$q=>$V){$V=stripcslashes(str_replace("''","'",$V));$Fa=(is_int($W)?($W>>$q)&1:in_array($V,explode(",",$W),true));echo" <label><input type='checkbox' name='fields[$D][$q]' value='".(1<<$q)."'".($Fa?' checked':'')."$Sc>".h($b->editVal($V,$l)).'</label>';}}elseif(preg_match('~blob|bytea|raw|file~',$l["type"])&&ini_bool("file_uploads"))echo"<input type='file' name='fields-$D'$Sc>";elseif(($ge=preg_match('~text|lob~',$l["type"]))||preg_match("~\n~",$W)){if($ge&&$v!="sqlite")$c.=" cols='50' rows='12'";else{$M=min(12,substr_count($W,"\n")+1);$c.=" cols='30' rows='$M'".($M==1?" style='height: 1.2em;'":"");}echo"<textarea$c>".h($W).'</textarea>';}elseif($o=="json")echo"<textarea$c cols='50' rows='12' class='jush-js'>".h($W).'</textarea>';else{$Gc=(!preg_match('~int~',$l["type"])&&preg_match('~^(\\d+)(,(\\d+))?$~',$l["length"],$A)?((preg_match("~binary~",$l["type"])?2:1)*$A[1]+($A[3]?1:0)+($A[2]&&!$l["unsigned"]?1:0)):($we[$l["type"]]?$we[$l["type"]]+($l["unsigned"]?0:1):0));if($v=='sql'&&$f->server_info>=5.6&&preg_match('~time~',$l["type"]))$Gc+=7;echo"<input".((!$Yb||$o==="")&&preg_match('~(?<!o)int~',$l["type"])?" type='number'":"")." value='".h($W)."'".($Gc?" maxlength='$Gc'":"").(preg_match('~char|binary~',$l["type"])&&$Gc>20?" size='40'":"")."$c>";}}}function

Consider simplifying this complex logical expression.

Open

as$z=>$X){if($z===""||!$X)break;$pc++;}$Wd=($pc?" onchange=\"var f = this.form['function[".h(js_escape(bracket_escape($l["field"])))."]']; if ($pc > f.selectedIndex) f.selectedIndex = $pc;\" onkeyup='keyupChange.call(this);'":"");$wa.=$Wd;$Cc=(in_array($q,$xc)||isset($xc[$q]));echo(count($xc)>1?"<select name='function[$F]' onchange='functionChange(this);'".on_help("getTarget(event).value.replace(/^SQL\$/, '')",1).">".optionlist($xc,$q===null||$Cc?$q:"")."</select>":nbsp(reset($xc))).'<td>';$Pc=$b->editInput($_GET["edit"],$l,$wa,$Y);if($Pc!="")echo$Pc;elseif($l["type"]=="set"){preg_match_all("~'((?:[^']|'')*)'~",$l["length"],$rd);foreach($rd[1]as$t=>$X){$X=stripcslashes(str_replace("''","'",$X));$Na=(is_int($Y)?($Y>>$t)&1:in_array($X,explode(",",$Y),true));echo" <label><input type='checkbox' name='fields[$F][$t]' value='".(1<<$t)."'".($Na?' checked':'')."$Wd>".h($b->editVal($X,$l)).'</label>';}}elseif(preg_match('~blob|bytea|raw|file~',$l["type"])&&ini_bool("file_uploads"))echo"<input type='file' name='fields-$F'$Wd>";elseif(($Zf=preg_match('~text|lob~',$l["type"]))||preg_match("~\n~",$Y)){if($Zf&&$y!="sqlite")$wa.=" cols='50' rows='12'";else{$M=min(12,substr_count($Y,"\n")+1);$wa.=" cols='30' rows='$M'".($M==1?" style='height: 1.2em;'":"");}echo"<textarea$wa>".h($Y).'</textarea>';}elseif($q=="json")echo"<textarea$wa cols='50' rows='12' class='jush-js'>".h($Y).'</textarea>';else{$yd=(!preg_match('~int~',$l["type"])&&preg_match('~^(\\d+)(,(\\d+))?$~',$l["length"],$C)?((preg_match("~binary~",$l["type"])?2:1)*$C[1]+($C[3]?1:0)+($C[2]&&!$l["unsigned"]?1:0)):($tg[$l["type"]]?$tg[$l["type"]]+($l["unsigned"]?0:1):0));if($y=='sql'&&$e->server_info>=5.6&&preg_match('~time~',$l["type"]))$yd+=7;echo"<input".((!$Cc||$q==="")&&preg_match('~(?<!o)int~',$l["type"])?" type='number'":"")." value='".h($Y)."'".($yd?" maxlength='$yd'":"").(preg_match('~char|binary~',$l["type"])&&$yd>20?" size='40'":"")."$wa>";}}}function

Function hidden_fields has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

preg_replace('~[^a-z0-9_]~i','-',$X);}function
hidden_fields($Me,$Kc=array()){while(list($z,$X)=each($Me)){if(!in_array($z,$Kc)){if(is_array($X)){foreach($X
as$Zc=>$W)$Me[$z."[$Zc]"]=$W;}else
echo'<input type="hidden" name="'.h($z).'" value="'.h($X).'">';}}}function

• Read up
  Read up

Function lzw_decompress has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

verify_token(){list($qe,$vd)=explode(":",$_POST["token"]);return($vd^$_SESSION["token"])==$qe;}function
lzw_decompress($za){$gb=256;$_a=8;$Ka=array();$Bd=0;$Cd=0;for($q=0;$q<strlen($za);$q++){$Bd=($Bd<<8)+ord($za[$q]);$Cd+=8;if($Cd>=$_a){$Cd-=$_a;$Ka[]=$Bd>>$Cd;$Bd&=(1<<$Cd)-1;$gb++;if($gb>>$_a)$_a++;}}$fb=range("\0","\xFF");$K="";foreach($Ka
as$q=>$Ja){$ob=$fb[$Ja];if(!isset($ob))$ob=$Ne.$Ne[0];$K.=$ob;if($q)$fb[]=$Ne.$ob[0];$Ne=$ob;}return$K;}function

• Read up
  Read up