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How to remove the first digits of a string in php

王林
王林Original
2020-11-02 10:20:303619browse

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.

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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>";
?>

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