232 lines
6.7 KiB
PHP
232 lines
6.7 KiB
PHP
<?php
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function tri_filemtime( $a, $b ) { return filemtime($a) - filemtime($b); }
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// ---
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// --- La config globale
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// ---
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chdir('/opt/TOPISTO/apps');
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require_once '/opt/TOPISTO/apps/global/inc/config.php';
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// ---
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// --- External dependances
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// ---
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require TOPISTO_PATH.'/ressources/vendor/autoload.php';
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// ---
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// --- Internal dependances
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// ---
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require_once APP_PATH.'/blockchain/inc/block.php';
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// ---
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// --- Par défaut on cherche le dernier block
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// ---
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$block_hash = '*';
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$methode='hasard';
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$mode=9999;
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// ---
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// --- Le cas échéant, on cherche le block passé en argument
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// ---
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if (isset($_REQUEST['hash'])) $block_hash = $_REQUEST['hash'];
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if (isset($_REQUEST['methode'])) $methode = $_REQUEST['methode'];
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if (isset($_REQUEST['mode'])) $mode = intval($_REQUEST['mode']);
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$img = null;
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$str_mode = '';
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if ($mode != 9999) $str_mode = '-'.$mode;
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// ---
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// --- Le cas général : on trouve le fichier image demandé
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// ---
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$imagefilename = DATA_PATH.'/'.$methode.'/'.$block_hash.$str_mode.'.png';
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if (file_exists($imagefilename)) $img = imagecreatefrompng($imagefilename);
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// ---
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// --- "strict" est un flag qui indique que l'on veut précisément
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// --- ce que les paramètres demandent
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// ---
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if (($img==null)&&(!isset($_REQUEST['strict'])))
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{
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//
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// On n'a pas passé de HASH
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//
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if (($img==null)&&(!isset($_REQUEST['hash'])))
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{
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//
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// On prend le dernier connu pour la méthode et le mode
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//
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$myarray = glob(DATA_PATH.'/'.$methode.'/*-'.$mode.'.png');
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if (isset($myarray[0]))
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{
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usort( $myarray, tri_filemtime );
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$img = imagecreatefrompng($myarray[0]);
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}
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//
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// On prend le dernier connu pour la méthode tout mode confondu
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//
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if ($img==null)
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{
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$myarray = glob(DATA_PATH.'/'.$methode.'/*.png');
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if (isset($myarray[0]))
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{
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usort( $myarray, tri_filemtime );
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$img = imagecreatefrompng($myarray[0]);
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}
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}
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}
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//
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// On a passé un HASH
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//
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if (($img==null)&&(isset($_REQUEST['hash'])))
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{
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//
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// On cherche le bon HASH et la bonne méthode
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//
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$imagefilename = DATA_PATH.'/'.$methode.'/'.$block_hash.'.png';
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if (($img==null)&&(file_exists($imagefilename)))
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{
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$img = imagecreatefrompng($imagefilename);
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}
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//
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// En fait on s'en fiche de la méthode tant qu'on a le bon HASH
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//
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$imagefilename = DATA_PATH.'/hasard/'.$block_hash.'.png';
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if (($img==null)&&(file_exists($imagefilename)))
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{
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$img = imagecreatefrompng($imagefilename);
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}
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}
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}
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//
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// On n'a rien trouvé, donc on dessine ce qui est demandé
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//
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if ($img==null)
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{
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if ($mode == 9999) $mode = 0;
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if ($block_hash == '*') $block_hash = blockchain::getLastCacheBlockHash();
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if ($methode == 'hasard') $methode = 'treemap';
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$imagefilename = DATA_PATH.'/'.$methode.'/'.$block_hash.'.png';
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$the_block = blockchain::getBlockWithHash($block_hash);
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if ($the_block === FALSE) die();
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$the_name = blockchain::hash2SpecialName($the_block->hash);
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if ($the_name == $the_block->hash) $the_name ='';
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$bandeau = 50;
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$marge = 25;
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$text_border = 20;
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$width = GRAPH_WIDTH;
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$height = GRAPH_HEIGHT;
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// Pour que l'image simple ait les proportions que l'image full
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$width = $marge + ($width*2) + (2*$text_border);
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$height = $marge + ($height*2);
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$img_w = $width;
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$img_h = $height+(2*$bandeau);
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$type=2;
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if (count($the_block->tx)==1) $type=4;
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// création d'une image plus haute pour inclure bandeaux haut et bas
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$img = imagecreatetruecolor($img_w, $img_h);
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$param0 = blockchain::DrawBlockHeaderFooter($the_block, $img, $bandeau);
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$parametres = [];
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$parametres['x'] = 0;
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$parametres['y'] = $bandeau;
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$parametres['width'] = $width;
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$parametres['height'] = $height;
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$parametres['methode'] = $mode;
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$parametres['type'] = $type;
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$parametres['transparent_color'] = $param0[0];
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$parametres['background_color'] = $param0[1];
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$parametres['font_color'] = $param0[2];
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$parametres['fontname'] = $param0[3];
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$parametres['font_RGB'] = $param0[4];
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$parametres['background_RGB'] = $param0[5];
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switch($methode)
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{
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case 'veraMolnar':
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require_once APP_PATH.'/methode/veraMolnar/inc/treemap.php';
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topisto_veraMolnar::DrawBlock($the_block, $img, $parametres);
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break;
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case 'treemapV2':
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require_once APP_PATH.'/methode/treemapV2/inc/treemap.php';
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topisto_treemap::DrawBlock($the_block, $img, $parametres);
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break;
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case 'treemap_fuzzy':
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require_once APP_PATH.'/methode/treemap_fuzzy/inc/treemap.php';
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topisto_treemap_fuzzy::DrawBlock($the_block, $img, 0, $bandeau, $width, $height, $mode, $type);
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break;
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case 'spline':
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require_once APP_PATH.'/methode/spline/inc/splines.php';
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topisto_spline::DefaultDrawBlock($the_block, $img, 0, $bandeau, $width, $height, $mode, $type);
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break;
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case 'spline_2':
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require_once APP_PATH.'/methode/spline/inc/splines.php';
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topisto_spline::DrawBlock($the_block, $img, 0, $bandeau, $width, $height, $mode, 200, $type);
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break;
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case 'treemap' :
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default:
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require_once APP_PATH.'/methode/treemap/inc/treemap.php';
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topisto_treemap::DrawBlock($the_block, $img, 0, $bandeau, $width, $height, $mode, $type);
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break;
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}
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// Les textes
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/*
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* INUTILE depuis que blockchain::DrawBlockHeaderFooter ajoute elle-même les textes
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*
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putenv('GDFONTPATH='.RESS_PATH.'/fonts/');
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$font = 'DS-DIGIB.TTF';
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$fontColor = imagecolorallocate($img, 227,227,153);
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$the_texte = "Height : ".$the_block->height;
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imagettftext($img,18, 0, 5, $bandeau-5, $fontColor, $font, $the_texte);
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$the_texte = "Inputs : ".$the_block->topisto_inputs;
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if ($type == 4) $the_texte = "Reward : ".$the_block->topisto_reward;
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imagettftext($img,15, 0, 5, $bandeau+$height+18, $fontColor, $font, $the_texte);
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if ($the_name == '') $the_name = date('Ymd H:m:s', $the_block->time);
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$bbox = imagettfbbox(14, 0, $font, $the_name);
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imagettftext($img, 14, 0, ($img_w-3)-($bbox[2]-$bbox[0]), ($bandeau-5), $fontColor, $font, $the_name);
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*/
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// Sauvegarder l'image et ajouter
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// - un lien sur le mode
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// - un lien dans le dossier "hasard"
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$imagefilename2 = str_replace(".png","-$mode.png", $imagefilename);
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imagepng($img,$imagefilename2);
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if (!file_exists($imagefilename)) link($imagefilename2, $imagefilename);
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$imagefilename2 = str_replace("methode/$methode/","methode/hasard/", $imagefilename);
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if (!file_exists($imagefilename2)) link($imagefilename, $imagefilename2);
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}
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$seconds_to_cache = 7200;
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$ts = gmdate("D, d M Y H:i:s", time() + $seconds_to_cache) . " GMT";
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header("Expires: $ts");
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header("Pragma: cache");
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header("Cache-Control: max-age=$seconds_to_cache");
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header('Content-Type: image/png');
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imagepng($img);
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imagedestroy($img);
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?>
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