php replace all spaces in string code example

Example 1: remove spaces from string php

<?php
$phone = preg_replace( '/\s+/', '', "01234 567890" );
echo $phone;

Example 2: remove every whitespace php

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

Example 3: php string replace space

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

Example 4: php remove all whitespace from a string

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