remove all whitespace from string php without & code example

Example 1: remove every whitespace php

$string = preg_replace('/\s+/', '', $string);

Example 2: remove whitespace from string php

$str = "\n\n\nHello World!\n\n\n";
echo "With trim: " . trim($str);

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"); 
  
?>