get string before character php code example

Example 1: php remove last character from string

$hell = substr('hello', 0, -1);

Example 2: get the string after a character in php

$data = "123_String";    
$whatIWant = substr($data, strpos($data, "_") + 1);    
echo $whatIWant;

Example 3: javascript get first character of string

var str="Hello Folks!"
var firstStringChar = str.charAt(0); //H

Example 4: php get string before character

$arr = explode("/", $string, 2);
$first = $arr[0];