Home  >  Article  >  Backend Development  >  How to remove the first digits of a string in php

How to remove the first digits of a string in php

王林
王林Original
2020-11-02 10:20:303633browse

php method to remove the first digits of a string: You can use the substr() function, such as [substr("Hello world",10)]. The substr() function can return the extracted part of the string, return false if it fails, or return an empty string.

How to remove the first digits of a string in php

The substr() function can return the extracted part of the string, return FALSE if it fails, or return an empty string.

(Video tutorial recommendation: php video tutorial)

Syntax:

substr(string,start,length)

If the start parameter is a negative number and length is less than or equal to start, then length is 0.

Example:

<?php
echo substr("Hello world",10)."<br>";
echo substr("Hello world",1)."<br>";
echo substr("Hello world",3)."<br>";
echo substr("Hello world",7)."<br>";
echo substr("Hello world",-1)."<br>";
echo substr("Hello world",-10)."<br>";
echo substr("Hello world",-8)."<br>";
echo substr("Hello world",-4)."<br>";
?>

Related recommendations:php training

The above is the detailed content of How to remove the first digits of a string in php. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn