php replace all characters in string code example

Example 1: php replace return character

$string = str_replace("\n", "", $string);
$string = str_replace("\r", "", $string);

Example 2: php replace

str_replace ($search, $replace, $subject);

Example 3: replace all occurrence char in string php

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

Example 4: php str replace

<?php
$string = str_ireplace("FoX", "CAT", "the quick brown fox jumps over the lazy dog");
echo $string; // the quick brown CAT jumps over the lazy dog
?>