How to remove last character of string using php

There are many ways to delete the last character of a string in How to remove last character of string using php. This article will introduce to you four methods of deleting the last character of a string in How to remove last character of string using php. Friends in need can refer to it.

Method 1: substr_replace function

Use the substr_replace function to remove the last character from a string in PHP.

The basic syntax is as follows:

substr_replace($string ,"", -1);

The example is as follows

$string = "Hello admin!";
echo "Original string: " . $string . "\n";
echo "Updated string: " . substr_replace($string ,"",-1) . "\n";

The running effect is as follows:

Original string: Hello admin!
Updated string: Hello admin

Method 2: substr function

Use the substr function to remove the last character from any string in PHP string

The basic syntax is as follows

substr($string, 0, -1);

The example is as follows

$string = "Hello Admin!";
echo "Original string: " . $string . "\n";
echo "Updated string: " . substr($string, 0, -1) . "\n";

Run The effect is as follows:

Original string: Hello admin!
Updated string: Hello admin

Method 3: mb_substr function

Use the mb_substr function to delete characters from the end of the string.

The basic syntax is as follows

mb_substr($string, 0, -1);

The example is as follows

$string = "Hello Admin!";
echo "Original string: " . $string . "\n";
echo "Updated string: " . mb_substr($string, 0, -1) . "\n";

The running effect is as follows

Original string: Hello admin!
Updated string: Hello admin

Method 4: rtrim function

rtrim function is used to delete specific characters from the end of a string

The basic syntax is as follows

rtrim($string,'x');

Here "x" is the character to be deleted.

The example is as follows

$string = "Hello TecAdmin!";
echo "Original string: " . $string . "\n";
echo "Updated string: " . rtrim($string, "!") . "\n";

The running result is as follows

Original string: Hello admin!
Updated string: Hello admin

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