When should str_replace be used over ereg_replace() in PHP?

str_replace should be used over ereg_replace() in PHP when you simply need to replace a substring in a string without using regular expressions. str_replace is faster and more efficient for simple string replacements compared to ereg_replace which involves regular expression matching. Therefore, if you have a straightforward string replacement task, it is recommended to use str_replace. 

// Using str_replace to replace a substring in a string
$string = "Hello, World!";
$new_string = str_replace("Hello", "Hi", $string);
echo $new_string; // Output: Hi, World!

Keywords

str_replace ereg_replace PHP string manipulation regular expressions

Related Questions