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º£²ó¤ÏÎãÂê¤È¤·¤Æ¡¤¥æ¡¼¥¶¤Ë¡Ö¥¦¥§¥Ö¥Ú¡¼¥¸¤Î¥¿¥¤¥È¥ë¡×¡¤¡ÖURL¡×, ¡Ö¥á¡¼¥ë¥¢¥É¥ì¥¹¡×¤òÆþÎϤ·¤Æ¤â¤é¤¤¡¤ÆþÎÏÆâÍƤò³Îǧ¸å¡¤¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¥×¥í¥°¥é¥à¤ò ºîÀ®¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡¥
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ÍÑ°Õ¤¹¤ë¥Õ¥¡¥¤¥ë¡Ê¥Õ¥¡¥¤¥ë¤Ç¤¹¤¬¡¤º¸¥¯¥ê¥Ã¥¯¤ò»È¤¦¤Î¤Ç¤Ï¤Ê¤¯¡¤±¦¥¯¥ê¥Ã¥¯¤«¤éÊݸ¤·¤Æ¤¯¤À¤µ¤¤¡¥¡Ë
input.php¡¡¡¡¥æ¡¼¥¶¤Ë¥¿¥¤¥È¥ë¡¤URL¡¤¥á¡¼¥ë¥¢¥É¥ì¥¹¤òÆþÎϤ·¤Æ¤â¤é¤¦¤¿¤á¤Î¥Õ¥©¡¼¥à¤Ç¤¹¡¥
confirm.php¡¡¥æ¡¼¥¶¤¬ÆþÎϤ·¤¿ÆâÍƤËÉÔÈ÷¤¬¤Ê¤¤¤«¡¤É½¼¨¤·¤Þ¤¹¡¥
regist.php¡¡ºÇ½ªÅª¤Ë¥æ¡¼¥¶¤ÎÆþÎϤ·¤¿ÆâÍƤ¬ÅÐÏ¿¤µ¤ì¤¿¤³¤È¤ò¼¨¤·¤Þ¤¹¡¥
definition.php ¤Á¤ç¤Ã¤È¤·¤¿¹©Éפò»Ü¤¹¤¿¤á¤ËÍøÍѤ¹¤ë¥Õ¥¡¥¤¥ë¤Ç¤¹¡¥¤Þ¤¿¤¢¤È¤ÇÀâÌÀ¤·¤Þ¤¹¡¥

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¡¦ÆþÎÏ¥Õ¥©¡¼¥à¤¬¤¢¤ëinput.php¤«¤é¡¥¥æ¡¼¥¶¤Ï¡Ö¥¦¥§¥Ö¥Ú¡¼¥¸¤Î¥¿¥¤¥È¥ë¡×¡¤¡ÖURL¡×, ¡Ö¥á¡¼¥ë¥¢¥É¥ì¥¹¡×¤òÆþÎϤ·¤Þ¤¹¡¥
¡¦confirm.php¤Ï¡¤¥æ¡¼¥¶¤ÎÆþÎÏ·ë²Ì¤òPOST¥á¥½¥Ã¥É¤Ç¼õ¤±¼è¤ê¡¤ÆþÎÏ·ë²Ì¤ò¥æ¡¼¥¶¤Ë³Îǧ¤·¤Þ¤¹¡¥
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confirm.php¤Ï¥»¥Ã¥·¥ç¥ó¤ËÆþÎÏ·ë²Ì¤òÊݸ¤·¤Þ¤¹¡¥
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¥Õ¥£¡¼¥ë¥É̾ ¥Õ¥£¡¼¥ë¥É·¿ °À­
title varchar  
url varchar  
address varchar  

¤Þ¤º¤Ï¡¤°Ê²¼¤òÄêµÁ¤·¤¿definition.php¤òÍÑ°Õ¤·¤Þ¤¹¡¥
¤³¤ì¤Ï¡ÖPHP¤ÎÄê¿ô¡×¤È¡¤¡ÖHTML¤Îname°À­¡×¤òÂбþÉÕ¤±¡¤Ê£¿ô¤Îphp¥Õ¥¡¥¤¥ë¤Çʬ¤«¤ê¤ä¤¹¤¯°·¤¦¤¿¤á¤Ë»ÈÍѤ·¤Þ¤¹¡¥
PHP¤òºîÀ®¤¹¤ë¥×¥í¥°¥é¥Þ¤È¡¤HTML¤òºîÀ®¤¹¤ë¥Ç¥¶¥¤¥Ê¤Ê¤É¤Ç¡¤Ê¬Ã´ºî¶È¤ò¹Ô¤¦ºÝ¤â¡¤¤³¤ÎÊýË¡¤ò¾å¼ê¤Ë»È¤¨¤Ð¡¤ HTML¤Î¥Õ¥©¡¼¥à¤Ë½¤Àµ¤¬Æþ¤Ã¤¿ºÝ¡¤Ê£¿ô¤ÎPHP¤Î¥×¥í¥°¥é¥à¤ËÍưפËÈ¿±Ç¤¹¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡¥

<?php

  //TITLE, URL, MAIL¤òÄê¿ô¤È¤·¤Æ°·¤¦

  define( 'TITLE', "my_title");
  define( 'URL', 'my_url' );
  define( 'MAIL', 'my_mail_address');

?>


¼¡¤Ë¥æ¡¼¥¶¤¬ÆþÎϤ¹¤ë¤¿¤á¤Î¥Õ¥©¡¼¥à¤Ç¤¢¤ëinput.php¤òºîÀ®¤·¤Æ¤¯¤À¤µ¤¤

<html>
<body>
<b>session¤òÍøÍѤ·¤¿ÅÐÏ¿</b>
 <br><br>
 <form method = "post" action = "confirm.php">
 <?php

//input.php

session_start();

  
require_once "definition.php";

  
  $title_txt = "";
  $url_txt = "";
  $mail_txt = "";
  
  if(isset($_SESSION[TITLE])) $title_txt = $_SESSION[TITLE];¡¦¡¦¡¦­¡
  if(isset($_SESSION[URL])) $url_txt = $_SESSION[URL];
  if(isset($_SESSION[MAIL])) $mail_txt = $_SESSION[MAIL];


  echo "¥¿¥¤¥È¥ë<br><input type = \"text\" name = \"my_title\" value=\"$title_txt\"><br>";
  echo "URL<br><input type = \"text\" name = \"my_url\" value=\"$url_txt\"><br>";
  echo "¥á¡¼¥ë¥¢¥É¥ì¥¹<br><input type = \"text\" name = \"my_mail_address\" value=\"$mail_txt\"><br><br><br>";
  echo "<input type =\"submit\" value=\"ÅÐÏ¿\"><br>";
  ?>
 </form>
</body>
</html>


input.php¤Ç¤Ïdefinition.php¤ò1ÅÙ¤À¤±Æɤ߹þ¤à´Ø¿ô¤Ç¤¢¤ërequire_once¤ò¸Æ¤Ó½Ð¤·¤Æ¤¤¤Þ¤¹¡¥¤³¤ì¤Ë¤è¤ê¡¤definition.php¤ÇÄêµÁ¤µ¤ì¤¿TITLE¡¤URL¡¤MAIL¤ÎÃͤòÍøÍѤ¹¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡¥

¼¡¤Ïinput.php¤ÇÆþÎϤµ¤ì¤¿¥Ç¡¼¥¿¤ò¥æ¡¼¥¶¤Ë³Îǧ¤·¤Æ¤â¤é¤¦¤¿¤á¤Ë¡¤confirm.php¤ò¸Æ¤Ó½Ð¤·¤Þ¤¹¡¥
$_POSTÊÑ¿ô¤«¤éÆþÎϤµ¤ì¤¿¾ðÊó¤ò¤³¤Î¥×¥í¥°¥é¥à¤Ç¤Ï¶õ¤Ç̵¤¤¤«³Îǧ¤·¤Æ¤¤¤Þ¤¹¡¥¡Ê²¼ confirm.php ¤Î¥½¡¼¥¹¥³¡¼¥É¤Î¡¡­£¡Ë¤â¤·¶õ¤Ç¤¢¤ì¤Ð¥¨¥é¡¼¤ò½ÐÎϤ·¡¤input.php¤ËÌá¤ê¤Þ¤¹¡¥


<html>
<body>

<?php
  
  //confirm.php

  session_start();//define¤È¤Î´Ø·¸

  require_once "definition.php";

  //¤³¤ì¤ËFALSE¤¬ÆþÎϤµ¤ì¤¿¤é¡¤¥¢¥¦¥È
  $bConfirm = array(TITLE=>TRUE, URL=>TRUE, MAIL=>TRUE);
  $nextPage = TRUE;//FALSE
  
  // ²¼¤ÎÊý¤Ë¼«Ê¬¤ÇÄêµÁ¤·¤¿´Ø¿ô ʸ»ú¤¬¤Ï¤¤¤Ã¤Æ¤¤¤ë¤« return "true" or "false"
  $bConfirm[TITLE] = containsChar( $_POST[TITLE] );
  $bConfirm[URL] = containsChar( $_POST[URL] );
  $bConfirm[MAIL] = containsChar( $_POST[MAIL] );
  
  //¥Õ¥©¡¼¥à¤¹¤Ù¤Æ¤Ëʸ»ú¤¬¤Ï¤¤¤Ã¤Æ¤¤¤ë¤«³Îǧ
  foreach($bConfirm as $value){
    if(!$value){
      $nextPage = FALSE;
    }
  }
  //Æþ¤Ã¤Æ¤¤¤¿¤é
  if($nextPage){
    echo "°Ê²¼¤ÎÆâÍƤǤè¤í¤·¤¤¤Ç¤·¤ç¤¦¤«?<br><br>";
    echo "¥¿¥¤¥È¥ë ¡§ ".htmlspecialchars($_POST[TITLE], ENT_QUOTES)."<br>";
    echo "URL : ".htmlspecialchars($_POST[URL], ENT_QUOTES)."<br>";
    echo "¥¢¥É¥ì¥¹ ¡§ ".htmlspecialchars($_POST[MAIL], ENT_QUOTES)."<br>";

    echo "<br><b><a href=\"regist.php\">³Îǧ¤·¤¿¾å¤ÇÅÐÏ¿<a></b>";
  }
  
  //Æþ¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¤é
  else{
    echo "<br><font color=\"red\">ÆþÎϤέ¤ê¤Ê¤¤²Õ½ê¤¬¤¢¤ê¤Þ¤¹¡¥</font><br><br>";
    
    echo "¥¿¥¤¥È¥ë : ";
    if(!$bConfirm[TITLE]) echo "<font color=\"red\">¥¿¥¤¥È¥ë¤ÎÆþÎϤ¬¤¢¤ê¤Þ¤»¤ó</font><br>";
    else {
      echo $_POST[TITLE]."<br>";      
    }
    
    
    echo "URL : ";
    if(!$bConfirm[URL]) echo "<font color=\"red\">URL¤ÎÆþÎϤ¬¤¢¤ê¤Þ¤»¤ó</font><br>";
    else {
      echo $_POST[URL]."<br>";
    }
    
    
    echo "¥á¡¼¥ë : ";
    if(!$bConfirm[MAIL]) echo "<font color=\"red\">¥á¡¼¥ë¤ÎÆþÎϤ¬¤¢¤ê¤Þ¤»¤ó</font><br>";
    else {
      echo $_POST[MAIL]."<br>";
    }
    //sessoin¾ðÊó¤ò»È¤¦

    echo "<br><a href=\"input.php\">Ìá¤ë</a>";
  }

  
  //ºÇ¸å¤ËPOSTÊÑ¿ô¤ÎÁ´¤Æ¤ËÆþ¤Ã¤Æ¤¤¤Ê¤¯¤Æ¤âÆþ¤Ã¤Æ¤¤¤Æ¤â¥»¥Ã¥·¥ç¥ó¤ËÆþ¤ì¤ë¡Ä­¢
  $_SESSION[URL] = $_POST[URL];
  $_SESSION[TITLE] = $_POST[TITLE];
  $_SESSION[MAIL] = $_POST[MAIL];



  //ʸ»ú¤¬ÊÑ¿ô¤ËÆþ¤Ã¤Æ¤¤¤ë¤«È½Äꤹ¤ë´Ø¿ô
//¡¦¡¦¡¦­£
  function containsChar( $sPost ){
    $bConfirm = TRUE;
    //$choppedChars = chop($sPost);
    if(!(isset($sPost)) || $sPost == "") {
      $bConfirm = FALSE;
    }
    return $bConfirm;
  }


?>

</body>
</html>

¥»¥Ã¥·¥ç¥ó¤ò»ÈÍѤ¹¤ë¤¿¤á¤Ë¤Ï¤Þ¤ººÇ½é¤Ë

session_start();

¤ò¸Æ¤Ó½Ð¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡¥

¸Æ¤Ó½Ð¤·¤¿¸å¤Ï¡¤$_SESSIONÊÑ¿ô¤ËÃͤòÆþ¤ì¤ë¤À¤±¤Ç¡¤¥Ú¡¼¥¸¤¬°Ü¤êÊѤï¤Ã¤Æ¤â$_SESSIONÊÑ¿ô¤Î¥Ç¡¼¥¿¤òÊÝ»ý¤¹¤ë¤³¤È¤¬½ÐÍè¤Þ¤¹¡¥¡Ê¤¿¤À¤·¡¤¼¡¤Î¥Ú¡¼¥¸¤Ç¤âsession_start()¤ò¸Æ¤Ó½Ð¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡Ë

ÆþÎϥߥ¹¤Ê¤É¤Ç¡¤confirm.php¤«¤é¥¨¥é¡¼¤Çinput.php¤ËÌá¤Ã¤Æ¤·¤Þ¤Ã¤¿¾ì¹ç¡¤$_SESSION¡Êconfirm.php ¤Î¥½¡¼¥¹¥³¡¼¥É¤Î¡¡­¢¡ËÊÑ¿ô¤òÍøÍѤ·¤Æ¡¤¥æ¡¼¥¶¤ÎÆþÎϤ·¤¿ÆâÍƤòÊÝ»ý¤·¡¤input.php¤Î¥Õ¥©¡¼¥à¤Ëɽ¼¨¡Êinput.php¤Î¥½¡¼¥¹¥³¡¼¥É¤Î¡¡­¡¡Ë¤·¤Þ¤¹¡¥
¤³¤ì¤Ë¤è¤ê¡¤¥¨¥é¡¼¤Î¸¶°ø¤Ç¤Ê¤¤Éôʬ¤Ë¤Ä¤¤¤ÆºÆÅÙÆþÎϤ¹¤ë¼ê´Ö¤ò¾Ê¤¤¤Æ¤¤¤Þ¤¹¡¥

¿¿¤óÃæ¤Ë¤¢¤ëhtmlspecialchars´Ø¿ô¤Ï¥æ¡¼¥¶¤¬ÆþÎϤ·¤¿ÆâÍƤËÆüìʸ»ú¤¬¤¢¤ë¾ì¹ç¡¤html¥¨¥ó¥Æ¥£¥Æ¥£¤ËÊÑ´¹¤·¤Þ¤¹¡¥
(ex. &¢ª&amp;)

­£¤Ç¤Ï¼«Ê¬¤ÇÄêµÁ¤·¤¿´Ø¿ô¤òÍøÍѤ·¤Æ¤¤¤Þ¤¹¡¥´Ø¿ô¤òÍøÍѤ¹¤ë¤ÈƱ¤¸ÍͤÊÆâÍƤΥ½¡¼¥¹¤ò²¿ÅÙ¤â½ñ¤¯É¬Íפ¬¤Ê¤¯¤Ê¤ê¤Þ¤¹¡¥
´Ø¿ô¤Ë¤Ä¤¤¤Æ¤Ï¤³¤Á¤é¤ò¤´Í÷¤¯¤À¤µ¤¤¡¥

ºÇ¸å¤ËÅÐÏ¿´°Î»¤òÃΤ餻¤ë¡¤regist.php¤ò¸Æ¤Ó½Ð¤·¡¤$_SESSION¤ÎÆâÍƤò¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤·¤Þ¤¹¡¥

<html>
<body>
ÅÐÏ¿¤¬´°Î»¤·¤Þ¤·¤¿¡¥<br><br>
<?php
  session_start();

  require_once "definition.php";

  echo "<b>¡»ÅÐÏ¿ÆâÍÆ</b><br>";
  echo "¥¿¥¤¥È¥ë : ".htmlspecialchars($_SESSION[TITLE], ENT_QUOTES)."<br>";
  echo "URL : ".htmlspecialchars($_SESSION[URL], ENT_QUOTES)."<br>";
  echo "¥á¡¼¥ë : ".htmlspecialchars($_SESSION[MAIL], ENT_QUOTES)."<br>";

  echo "<br>¤´ÅÐÏ¿¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤·¤¿¡¥<br><br>";
  echo "<a href=\"./input.php\">ÆþÎÏ¥Õ¥©¡¼¥à¤ËÌá¤ë</a>";

  $sTitle = addslashes($_SESSION[TITLE]);
  $sUrl = addslashes($_SESSION[URL]);
  $sMail = addslashes($_SESSION[MAIL]);

  //DB¤Ø¤ÎÁàºî
  mysql_connect("127.0.0.1", "¥æ¡¼¥¶Ì¾", "¥Ñ¥¹¥ï¡¼¥É");
  mysql_select_db("¥Ç¡¼¥¿¥Ù¡¼¥¹Ì¾");
  $result = mysql_query("insert into ¥Æ¡¼¥Ö¥ë̾ values( '$sTitle', '$sUrl', '$sMail' )");
  
  session_destroy();
  ?>
</body>
</html>

°ìÈֺǸå¤Îsession_destroy()´Ø¿ô¤ò»È¤¦¤Èº£»È¤Ã¤Æ¤¤¤ë$_SESSIONÊÑ¿ô¤òÇË´þ¤·¤Þ¤¹¡¥¤³¤ì¤ò¸Æ¤Ð¤º¤Ë;·×¤Ê¥Ç¡¼¥¿¤ò»Ä¤¹¤È¡¤¥·¥¹¥Æ¥à¤ÎÀȼåÀ­¤Î¸¶°ø¤Ë¤Ê¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡¥¥»¥Ã¥·¥ç¥ó¤ÎÍøÍѤ¬½ª¤ï¤Ã¤¿¤é¤·¤Ã¤«¤ê¸Æ¤Ó¤Þ¤·¤ç¤¦¡¥

¥»¥Ã¥·¥ç¥ó¤òÍøÍѤ¹¤ëÊýË¡¤Ï¾¤Ë¤â¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡¥À§ÈóÄ´¤Ù¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡ª

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