how to get first letter of string in php code example

Example 1: php get first 5 characters of string

$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"

Example 2: substr() php

<?php
echo substr('abcdef', 1);     // bcdef
echo substr('abcdef', 1, 3);  // bcd
echo substr('abcdef', 0, 4);  // abcd
echo substr('abcdef', 0, 8);  // abcdef
echo substr('abcdef', -1, 1); // f

// Accessing single characters in a string
// can also be achieved using "square brackets"
$string = 'abcdef';
echo $string[0];                 // a
echo $string[3];                 // d
echo $string[strlen($string)-1]; // f

?>

//substr() function returns certain bits of a string

Example 3: take last four digits php

$newstring = substr($dynamicstring, -7);

Example 4: php get first character of string

$firstStringCharacter = substr("hello", 0, 1);

Example 5: get first word from string php

function getFirstWord($string)
    {
        $arr = explode(' ', trim($string));
        return isset($arr[0]) ? $arr[0] : $string;
    }