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php strpos 用法实例教程

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Release： 2016-06-13 11:16:52
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定义和用法
该strpos （ ）函数返回的立场，首次出现了一系列内部其他字串。

如果字符串是没有发现，此功能返回FALSE 。

语法

strpos(string,find,start)
Copy after login
Copy after login
Copy after login




	

	
		
		Parameter
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		Description
	

	

	string
	必选,
	

	

	find
	
	必需的。指定的查找字符串
	
	

	

	start
	可选,从哪里开始找
	





Copy after login
Copy after login



提示和说明 注： strpos （ ）函数是区分大小写的。 例如


 


<!--?phpecho strpos("Hello world!","wo");?-->
Copy after login


结出结果:6
Copy after login



	

	
                

            

            

                                

                    Related labels：
                    

                        php strpos Appear function Example Tutorial usage of return first                    

                

                                
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