What is the purpose of the "REPLACE" command in PHP and how is it used?

The "REPLACE" command in PHP is used to replace occurrences of a specified substring within a string with another substring. This can be useful for manipulating text data or making changes to a string dynamically. Example: 

$string = "Hello, World!";
$newString = str_replace("Hello", "Hi", $string);

echo $newString; // Output: Hi, World!

Keywords

REPLACE command PHP string manipulation syntax

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