remove substring php code example

Example 1: php remove text from string

<?php
  //Replace the characters "world" in the string "Hello world!" with "Peter":
echo str_replace("world","Peter","Hello world!");
?>

Example 2: str_replace php variable

$var1 = 'hello.world';
$var2 = str_replace(".", "-", $var1);
echo $var2; // hello-world

Example 3: php replace

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

Example 4: replace all occurrence char in string php

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

Example 5: replace all numbers in string php

$words = preg_replace('/[0-9]+/', '', $words);