diff --git a/samples/3.json b/samples/3.json
new file mode 100644
index 0000000..a767354
--- /dev/null
+++ b/samples/3.json
@@ -0,0 +1,86 @@
+{
+"candidats":{
+    "A":"albert",
+    "B":"Beatrice",
+    "C":"Chloé",
+    "D":"Deborah",
+    "E":"Eric",
+    "F":"Francçois",
+    "G":"Gisèle",
+    "H":"Hugo"
+},
+"votants":{
+    "decompte":11
+},
+"mentions":[
+    "Très Bien",
+    "Bien",
+    "Assez Bien",
+    "Passable",
+    "Insuffisant",
+    "A rejeter"
+],
+"votation":
+    {
+	"date":"14 juin 2025",
+	"lieu":"liffré",
+	"votes":[
+	    {
+		"A":1,
+		"C":2,
+		"D":3
+	    },
+	    {
+		"B":1,
+		"C":2,
+		"E":3
+	    },
+	    {
+		"A":1,
+		"C":2,
+		"F":3
+	    },
+	    {
+		"G":1,
+		"C":2,
+		"D":3
+	    },
+	    {
+		"A":1,
+		"G":2,
+		"E":3
+	    },
+	    {
+		"E":1,
+		"C":2,
+		"D":3
+	    },
+	    {
+		"E":1,
+		"C":2,
+		"D":3
+	    },
+	    {
+		"A":1,
+		"D":2
+	    },
+	    {
+		"A":5,
+		"C":2,
+		"D":3
+	    },
+	    {
+		"A":4
+	    },
+    	    {
+		"A":1,
+		"C":2,
+		"D":3,
+		"B":4,
+		"E":3,
+		"F":4,
+		"G":0
+	    }
+	]
+    }
+}
diff --git a/samples/parse_sample.php b/samples/parse_sample.php
index 462428a..2c5702d 100644
--- a/samples/parse_sample.php
+++ b/samples/parse_sample.php
@@ -33,20 +33,22 @@ $default_mention=$mentions-1;
 
 $votes=$poll["votation"]["votes"];
 if ($verbose) {
-    print('candidats:' . implode(",",$candidats));
-    print(implode(',',$votes));
+    print("candidats\n");
+    var_dump($candidats);
+    print("votes:\n");
+    var_dump($votes);
 }
 
 $warnings=[];
 $default_vote=[];
-foreach ($candidats as $candidat ) {
+foreach ($candidats as $candidat => $nom_candidat ) {
     $default_vote[$candidat]=$default_mention;
 }
 
 $collect=[];
 foreach ($votes as $vote) {
     # missing candidat in vote is the worts one
-    foreach ($candidats as $candidat) {
+    foreach ($candidats as $candidat => $nom_candidat ) {
         if (! array_key_exists($candidat,$vote)) {
             $vote[$candidat]=$default_mention;
 	}
@@ -72,15 +74,16 @@ foreach ($votes as $vote) {
 }
 
 if ($verbose) {
-    print($collect);
+   print("collect:\n");
+   print(json_encode($collect));
 }
 
-$votant_median_check= ($votants % 2 == 0) ? $votants / 2 : (($votants-1) / 2);
+$votant_median_check= ($votants % 2 == 0) ? intdiv($votants,2) : intdiv(($votants-1),2) + 1;
 
-$votant_median=$votants / 2  + $votants % 2;
+$votant_median=intdiv($votants, 2)  + $votants % 2;
 
 if ( $votant_median_check != $votant_median ) {
-        print('[ERROR] le nombre median de votants semble erroné. contactez le developpeur de ce code.' + str($votant_median_check));
+        print('[ERROR] le nombre median de votants (' .  $votant_median_check . '/' . $votant_median . ') semble erroné. contactez le developpeur de ce code.');
 }
 
 $merite=[];
@@ -92,7 +95,7 @@ $merite_pourcent=[];
 # cumul du pire au meilleur
 $range_mentions = $mentions;
 
-foreach ($candidats as $candidat) {
+foreach ($candidats as $candidat => $nom_candidat) {
     $vote=$collect[$candidat];
     $cumul=0;
     for ($i=0; $i < $range_mentions; $i	 ++) {
@@ -100,7 +103,7 @@ foreach ($candidats as $candidat) {
 	     $pourcent[$i]=0;
     }
     $mention_m=null;
-    for ($i=$range_mentions -1; $i > 0; $i --) {
+    for ($mention=$range_mentions -1; $mention >=0; $mention --) {
         if ( array_key_exists($mention,$vote) ) {
             $cumul=$cumul+$vote[$mention];
             $pourcent[$mention]= ( 100 * $vote[$mention] ) / $votants;
@@ -108,11 +111,10 @@ foreach ($candidats as $candidat) {
         if ($cumul >= $votant_median and $mention_m == null ) {
             $mention_m=$mention;
 	}
-	    
         $m[$mention]=$cumul;
     }
     if ($cumul < $votants) {
-        print('[ERROR] le cumul des votes doit correspondre au nombre de votants. contactez le developpeur de ce code.');
+        print("[ERROR] le cumul des votes " . $cumul . " doit correspondre au nombre de votants. contactez le developpeur de ce code.");
     }
     $mention_mediane[$candidat]=$mention_m;
     $merite[$candidat]=$m;
@@ -120,20 +122,16 @@ foreach ($candidats as $candidat) {
 }
 
 if ($verbose) {
-    print($merite) ;
-    print($mention_mediane);
+   print("\nmerite:\n");
+   print(json_encode($merite));
+   print("\nmention_mediane:\n");
+   print(json_encode($mention_mediane));
 }
 
 # les gagnants sont ceux qui ont la mention mediane minimale ( la meilleure )
 $found=[];
 
-    print(json_encode($mention_mediane));
-
-# la clé de candidats est un shortcut
-    print(json_encode($candidats));
-
-    
-for ($i = 0; $i < $mentions; $i ++) {
+for ($mention = 0; $mention < $mentions; $mention ++) {
     foreach ($mention_mediane as $candidat => $merite_median)
         if ($merite_median == $mention) {
 	   $item=[];