php get last number from string code example

Example 1: get last character of string php

substr("testers", -1); // returns "s"

Example 2: php get first digit of number

// in case the number is a string
$s = '123';
$a = $s[0];  
echo $a; // 1

// in case the number is an integer

// Possibility 1
$k = 123;
$s = $k.''; // or: $s = (string)$k;
$a = $s[0];  
echo $a; // 1
 
// Possibility 2
$k = 123;
$a = floor($k/100);
echo $a; // 1
 
// Possibility 3
$k = 123;
$a = substr($k, 0, 1); 
echo $a; // 1

Example 3: Get the Last Character of a String in PHP

phpCopy<?php 
$string = "This is a string";
$lastCharPosition = strlen($string) - 1;  
for ($x = $lastCharPosition; $x < strlen($string); $x++) {
    $newString = $string[$x]; 
} 
echo "The last char of the string is $newString.";
?>