php string remove character code example

Example 1: str_replace php variable

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

Example 2: str_replace php

echo str_replace("worss","world","Hello worss in PHP!!");

Example 3: replace all numbers in string php

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