ç§èªèº«ãããã£ã¦ãã¾ãã®ã§ãèªåã¸ã®æããè¾¼ãã¦ãæªãã½ã¼ã¹ã³ã¼ããã®ä¾ãå¹¾ã¤ãä¸ãã¦ã¿ããã¨æãã¾ãã 1. åãæèããªãã§å¤æ°ã使ãã¾ãã $num = 1234; $num = 'number' . $num; echo $num; æ°ãã¤ãã¦ãªãã¨ããªãã®é »åº¦ã§ãããªã£ã¦ãã¾ããPHP ãªãã§ã¯ã®ç¾è±¡ã 2. æ¡ä»¶åå²ãã«ã¼ãã®ãã¹ããæ·±ããã if($param[0] == 'a'){ if($param[1] == 'b'){ foreach($arr as $value){ if($param[2] == $value){ for($i=0;$i<=10;$i++){ echo 'Hello, World!'; } } } } } ããã¦ãã¯ç®çãã¨ã«é¢æ°ãå®ç¾©ããã¨ç¶ºéºã«ã¾ã¨ã¾ããã¨ãå¤ãæ°ããã¾ãã 3. ä¸è¡ã«è©°ãè¾¼ã¿ããã echo htmlspecialchars
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