php remove all whitespace from string code example

Example 1: remove empty spaces php

$string = str_replace(' ', '', $string);

Example 2: php remove all whitespace from a string

//remove all white spaces from a string
$whatonearth=preg_replace('/\s/','',"what o n   ear th");

Example 3: Remove All Spaces Out of a String in PHP

phpCopy<?php 
$searchString = " ";
$replaceString = "";
$originalString = "This is a programming tutorial"; 
 
$outputString = str_replace($searchString, $replaceString, $originalString); 
echo("The original string is: $originalString \n");  
echo("The string without spaces is: $outputString"); 
  
?>