How to Learn PHP implode ()

How to Learn PHP implode ()

Implode function understanding 1

The implode () function combines array elements into a string.

1. How to understand array elements;

2. Whether the array element is a target object;

3. Whether the purpose is to integrate into a string;

 

Implode function understanding 2

Syntax

Implode (separator, array)

1. Whether the implode parameter 1 separator is added to each key value of the array;

2. Whether the implode Parameter Two array is an array of objects;

 

Parameters

Description

 

Optional. Specifies the content to be placed between array elements. The default value is "" (Null String ).

Array is required. Array to be combined as a string.

Description

Although the separator parameter is optional. However, we recommend that you use two parameters for backward compatibility.

1. Is the separator parameter optional;

2. Required for implode parameter 2 arra;

 

 

Tips and comments

Note: implode () can receive two parameter sequences. However, explode () cannot be used for historical reasons. The separator parameter must be set before the string parameter.

 

 

 

Implode function 3

<? Php

$ Arr = array ('h', 'I', 'J', 'K! ');

Echo implode ('M', $ arr );

?>

Output result: Hm Im Jm K!

<? Php

$ Arr = array ('h', 'I', 'J', 'K! ');

Echo implode ('', $ arr );

?>

 

Output result: h I J K!