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This article mainly introduces "how php removes the content behind a character". In daily operation, I believe many people have doubts about how php removes the content behind a character. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the question of "how php removes the content behind a character". Next, please follow the editor to study!

Method: 1, use strpos () to find the position of the specified character, syntax "strpos ($str," specified character ")"; 2, use substr () to intercept from the beginning of the string to the position of the specified character (because the position starts from zero, so you need to add 1), syntax "substr ($str,0, position value + 1)".

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

Php removes the content after a character

In php, you can use the strpos () and substr () functions to remove the content after a character

Realize the idea:

Use the strpos function to find the position of the specified character, such as the character d

Use the substr function to intercept from the beginning of the string to the position of the character d (because the position starts from zero, you must add 1)

Implementation example:

Extended knowledge: the content before a character can also be removed by using the strpos () and substr () functions.

Simply use the substr function to intercept the string from the specified character position (there is no need to add 1 at this time)

At this point, the study on "how to remove the content behind a character by php" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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