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如何学习PHP implode()
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如何学习PHP implode()

Jun 13, 2016 am 09:29 AM
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如何学习PHP implode()

 implode函数理解1

implode() 函数把数组元素组合为一个字符串。

1.数组元素如何理解;

2.数组元素是否是作用的对象;

3.作用的目的是否是整合成一个字符串;

 

implode函数理解2

语法

implode(separator,array)

1.implode参数一separator是否是在数组的各个键值添加内容;

2.implode参数二array是否为作用的对象数组;

 

参数

描述

 

separator可选。规定数组元素之间放置的内容。默认是 ""(空字符串)。

array必需。要结合为字符串的数组。

说明

虽然 separator 参数是可选的。但是为了向后兼容,推荐您使用使用两个参数。

1.separator参数是否可选;

2.implode参数二arra是否必选;

 

 

提示和注释

注释:implode() 可以接收两种参数顺序。但是由于历史原因,explode() 是不行的。必须保证 separator 参数在 string 参数之前才行。

 

 

 

implode函数理解3

$arr = array('H','I','J','K!'); 

echo implode('m ',$arr); 

?>

输出结果为:Hm Im Jm K! 

$arr = array('H','I','J','K!'); 

echo implode('  ',$arr); 

?>

 

输出结果为:H I J K! 

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