character replace in php code example

Example 1: php str_replace

<?php
//str_replace("Original Value", "Value to be replaced", "String");
$result = str_replace("1", "2", "This is number 1");
// Output: This is number 2
?>

Example 2: php replace

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

Example 3: php replace string within string

$new_string = str_replace( $take_out, $put_in, $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
?>