How to delete numbers in string in php

php method to delete numbers in a string: 1. Use the str_split function to split the string into an array; 5. Use foreach to traverse the array, the syntax "foreach ($arr as $k=>$v ){//Loop body statement block;}"; 3. In the loop body, use the if statement and is_numeric function to determine whether the array element is a number; 4. If so, use the unset function to delete it.

The operating environment of this tutorial: Windows 7 system, PHP 8 version, Dell G3 computer.

How to delete numbers in a string in php:

Create a new php file named test.php to explain how to delete numbers in a string in php character.

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

In the test.php file, create a string variable and use the str_split function to split the string into an array.

In the test.php file, use foreach to traverse the array. Within foreach, through the if statement, use the is_numeric function to determine whether the array element is a number. If so, use The unset function deletes it.

In the test.php file, use the implode function to convert the array into a string and use echo to output it.

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

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