4.   <\/li>\n
    1. function writeMyName()  
    2. {  \/\/ bbs.it-home.org
    3.   echo \"jeremyLin\";  
    4. }
    5. writeMyName();  
    6. ?><\/li>\n
    7. <\/body>  <\/li>\n
    8. <\/html> <\/li>\n<\/ol><\/div>\n復(fù)制代碼<\/em>\n<\/div>\n
      2，函數(shù) - 添加參數(shù)\n第一個函數(shù)是一個非常簡單的函數(shù)。\n它只能輸出一個靜態(tài)的字符串。\n通過可以添加參數(shù)，向函數(shù)添加更多的功能。參數(shù)類似一個變量。\n例子：\n <\/p>\n
      \n
        \n
      1. \n
      2.   <\/li>\n
      3. 

        国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂
          <\/li>\n
      4. function writeMyName($fname)  
      5. {  \/\/ bbs.it-home.org
      6.   echo $fname . \"jeremy.
        \";  <\/li>\n
      7. }  <\/li>\n
      8.   <\/li>\n
      9. echo \"My name is \";  <\/li>\n
      10. writeMyName(\"lin\");  <\/li>\n
      11.   <\/li>\n
      12. echo \"My name is \";  <\/li>\n
      13. writeMyName(\"kobe\");  <\/li>\n
      14.   <\/li>\n
      15. echo \"My name is \";  <\/li>\n
      16. writeMyName(\"John\");  <\/li>\n
      17. ?>  <\/li>\n
      18. <\/body>  <\/li>\n
      19. <\/html> <\/li>\n<\/ol><\/div>\n復(fù)制代碼<\/em>\n<\/div>\n
        3.函數(shù) - 返回值\n函數(shù)也能用于返回值。\n <\/p>\n
        \n
          \n
        1. \n
        2.   <\/li>\n
        3.   <\/li>\n
        4. function add($x,$y)  
        5.   {  
        6.   $total = $x   $y;  
        7.   return $total;  
        8.   }  
        9.   
        10. echo \"4   26 = \" . add(4,26);  
        11. ?>  <\/li>\n
        12. <\/body>  <\/li>\n
        13. <\/html><\/li>\n<\/ol><\/div>\n復(fù)制代碼<\/em>\n<\/div>\n
          輸出：\n4 26=30<\/p>\n
          >>> 查看更多 php入門教程 <\/p>\n<\/td><\/tr><\/table>\n\n\n\n
          \n<\/div>\n\n
          <\/div>\n

          "}	
	






	

          
    

          

	
	
          
		
          
			
          
							
          
					
          
						?
						
												??? ??
						
												PHP ????
						
						PHP ?? ????(7) PHP ??
					
          
					
					
          
						
          
							
          PHP ?? ????(7) PHP ??
          
							
							Jul 25, 2016 am	 08:55 AM
														
						
          
					
          
					
          
					
          
						
          
						
						
						

					
          

          

            

          1. 

          2.   
            3. 

          3.   

            4. 

          4. function writeMyName()  
          5. {  // bbs.it-home.org
          6.   echo "jeremyLin";  
          7. }
          8. writeMyName();  
          9. ?>
            10. 

          10.   
            11. 

          11.  
            12. 

          
復(fù)制代碼

          

          2，函數(shù) - 添加參數(shù)
第一個函數(shù)是一個非常簡單的函數(shù)。
它只能輸出一個靜態(tài)的字符串。
通過可以添加參數(shù)，向函數(shù)添加更多的功能。參數(shù)類似一個變量。
例子：
 
          

          

            

          1. 

          2.   
            3. 

          3.   
            4. 

          4. function writeMyName($fname)  
          5. {  // bbs.it-home.org
          6.   echo $fname . "jeremy.
            ";  
            7. 

          7. }  
            8. 

          8.   
            9. 

          9. echo "My name is ";  
            10. 

          10. writeMyName("lin");  
            11. 

          11.   
            12. 

          12. echo "My name is ";  
            13. 

          13. writeMyName("kobe");  
            14. 

          14.   
            15. 

          15. echo "My name is ";  
            16. 

          16. writeMyName("John");  
            17. 

          17. ?>  
            18. 

          18.   
            19. 

          19.  
            20. 

          
復(fù)制代碼

          

          3.函數(shù) - 返回值
函數(shù)也能用于返回值。
 
          

          

            

          1. 

          2.   
            3. 

          3.   
            4. 

          4. function add($x,$y)  
          5.   {  
          6.   $total = $x   $y;  
          7.   return $total;  
          8.   }  
          9.   
          10. echo "4   26 = " . add(4,26);  
          11. ?>  
            12. 

          12.   
            13. 

          13. 

          
復(fù)制代碼

          

          輸出：
4 26=30
          

          >>> 查看更多 php入門教程 
          

          




          

          


          


          


						
          
					
          
					
          
						
          ? ????? ??
          
						
          ? ?? ??? ????? ???? ??? ??????, ???? ?????? ????. ? ???? ?? ???? ?? ??? ?? ????. ???? ??? ???? ???? ??? ?? admin@php.cn?? ?????.
          
					
          
				
          

				



				
          


				
    


					


											
          
							
          
								
          
									
									
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