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This article mainly introduces "php how to get rid of the left 0". In the daily operation, I believe many people have doubts about how to remove the left 0 in php. The editor consulted all kinds of materials and sorted out a simple and easy-to-use operation method. I hope it will be helpful to answer the doubt of "how to get rid of the left 0 in php". Next, please follow the editor to study!

Php to remove the left 0 method: 1, create a new php file; 2, create a numeric variable that begins with 0; 3, use the preg_replace function, and the regular expression "/ ^ 0 variables /", replace one or more zeros in front of the variable with empty.

This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.

How does php remove the 0 on the left?

Create a new php file, named test.php, to explain how to remove the zero before the number in php.

In the test.php file, use the header () method to set the encoding format of the page to utf-8 to avoid output Chinese garbled.

In the test.php file, create a numeric variable that starts with 0 for testing.

In the test.php file, use the preg_replace function to replace one or more zeros in front of the variable with null using the regular expression "/ ^ 0variables /".

In the test.php file, use echo to output the processed numbers.

Open the test.php file in a browser and view the results.

At this point, the study of "how to get rid of the left zero of 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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