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Most people do not understand the knowledge points of this article "php how to remove all the characters after the specified characters", so the editor summarizes the following contents, detailed contents, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "php how to remove all the characters after the specified characters" article.

Method: 1, use the strpos () function to find the position of the specified character, the syntax is "strpos (string, specified character)"; 2, use the substr () function to remove all the characters after the specified character, and the syntax is "substr (string, 0, specified character position + 1)".

This article operating environment: Windows10 system, PHP7.1 version, Dell G3 computer.

How does php remove all characters after a specified character

In php, first find the position of a specified character, and then use the method of intercepting a string to achieve the content after removing a string.

Create a new php file, named test.php, to explain how php implements the content after the removal of a string. Use the header () method to set the encoding format of the page to utf-8.

Create a string and use the strpos function to find the position of the specified character, for example, the position of the d character.

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) to achieve the content after the removal of a string.

In the test.php file, use echo to output the resulting string. View the results.

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