How to remove the last two digits in php

In PHP, you can use the substr() function to remove the last two digits. This function is used to return a part of the string. When the parameters are set to "0" and "-2", this function will To remove the last 2 digits, the syntax is "substr(string object of specified number, 0,-2)".

The operating environment of this tutorial: windows10 system, PHP7.1 version, DELL G3 computer

How to remove the last two digits in php

The substr() function returns a part of a string.

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

Syntax

substr(string,start,length)

The parameters are described as follows:

string required. Specifies a part of the string to be returned.

start Required. Specifies where in the string to begin.

• Positive number - starts at the specified position in the string

• Negative number - starts at the specified position from the end of the string

• 0 - Start at the first character in the string

length optional. Specifies the length of the string to be returned. The default is until the end of the string.

• Positive number - Return from the position of the start parameter

• Negative number - Return from the end of the string

Examples are as follows:

<?php
$num = &#39;123456789&#39;;
$str = substr($num,0,-2);
echo $str;
?>

Output results:

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