switch ,case文をèªã¿ã‚„ã™ãã™ã‚‹ - memo.xight.orgSummary caseæ–‡ã«ã¯é–¢æ•°ãŒä½¿ç”¨å¯èƒ½ï¼Ž switch æ–‡ã®å¼•æ•°ãŒ0ã®æ™‚ã«switch文を抜ã‘ã¦ã—ã¾ã†ã®ã§ï¼Œswitch(true)を利用ã™ã‚‹ã“ã¨ã§å›žé¿ï¼Ž 悪ã„例 $var = 0; // switch 文㌠falseã¨è©•ä¾¡ã•ã‚Œã¦ã—ã¾ã† switch($var) { case ($var == 0): echo "0!"; break; default: break; } 良ã„例 $var = 0; // switch 文を強制的ã«trueã§è©•ä¾¡ switch(true) { case ($var == 0): echo "0!"; break; default: break; } Sample $test = 'aaa'; switch (true) { case ($test > 10): echo "10!"; break; case is_numeric($test): e
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