How to remove the 0 on the left in php

php method to remove the 0 on the left: 1. Create a new php file; 2. Create a numeric variable starting with 0; 3. Use the preg_replace function and use the regular expression "/^0 /", Just replace one or more 0s in front of the variable with nothing.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

php How to remove the 0 on the left?

Create a new php file, named test.php, to explain how to remove the 0 in front of 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 outputting Chinese garbled characters.

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

In the test.php file, use the preg_replace function and use the regular expression "/^0 /" to replace one or more 0s in front of the variable with nothing.

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

Open the test.php file in the browser to view the results.

Recommended study: "PHP Video Tutorial"

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