How to learn PHP implode ()

How to learn PHP implode ()

Implode function Understanding 1

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

1. How the array elements are understood;

2. Whether the array element is a function object;

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

Implode function Understanding 2

Grammar

Implode (Separator,array)

The 1.implode parameter separator whether the content is added to the various key values in the array;

2.implode parameter two array whether the array is an action object;

Parameters

Separator is optional. Specifies what is placed between the elements of the array. The default is "" (an empty string).

Array required. An array to combine as a string.

Description

Although the separator parameter is optional. However, for backwards compatibility, it is recommended that you use two parameters.

Whether the 1.separator parameter is optional;

2.implode parameter two arra is required;

Hints and Notes

Note: Implode () can receive two parameter sequences. But for historical reasons, explode () is not working. You must ensure that the separator parameter is not preceded by a string parameter.

Implode function Understanding 3

<?php $arr = Array (' H ', ' I ', ' J ', ' k! '); echo implode (' m ', $arr);?>

The output is: Hm Im Jm K!

<?php$arr = Array (' H ', ' I ', ' J ', ' k! '); echo implode ('  , $arr);?>

The output is: H I J K!

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