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Today, the editor will share with you the relevant knowledge points about how php removes the comma before and after. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

The method of removing the comma before and after: 1, use trim () to remove the comma on both sides of the string at one time, the syntax "trim ($str,") "; 2, use ltrim () to remove the comma at the beginning of the string, and rtrim () to remove the comma at the end, the syntax" ltrim (rtrim ($str, "),", ")".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Two methods of removing commas before and after php

Use trim ()

Use ltrim () + rtrim ()

1. Use the trim () function

2. Use the ltrim () + rtrim () function

The ltrim () function removes commas from the beginning of a string

The rtrim () function removes the comma at the end of a string

These are all the contents of the article "how to remove commas before and after php". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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