Str_ireplace()

Our article is about the PHP function str_ireplace(), which is used to replace a string in a given string with another string, ignoring case sensitivity. This function is useful when you need to replace a string in a case-insensitive manner. In this article, we will discuss the syntax and usage of str_ireplace(), as well as provide some examples.

The str_ireplace() function is used to replace a string in a given string with another string, ignoring case sensitivity. The syntax of the str_ireplace() function is as follows:

mixed str_ireplace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] )

The function takes three required parameters: $search, $replace, and $subject. $search is the string to search for, $replace is the replacement string, and $subject is the original string. The function also takes an optional parameter, $count, which is a variable that will be filled with the number of replacements made.

Here is an example of how to use the str_ireplace() function:

<?php
$string = "The quick brown fox jumps over the lazy dog";
$new_string = str_ireplace("FOX", "cat", $string);
echo $new_string; // Output: The quick brown cat jumps over the lazy dog
?>

In this example, we have a string variable $string that contains the phrase "The quick brown fox jumps over the lazy dog". We use the str_ireplace() function to replace the word "fox" with "cat". Since we have used the str_ireplace() function with the i modifier, it will ignore the case of the string "FOX" and replace it with "cat".

The output of this code will be:

The quick brown cat jumps over the lazy dog

As you can see, the str_ireplace() function has successfully replaced the word "fox" with "cat" in the string, while ignoring the case sensitivity.

The str_ireplace() function is a useful tool for replacing a string in a given string with another string, ignoring case sensitivity. It allows you to easily replace a string in a case-insensitive manner in PHP. By mastering this function, you can become a more proficient PHP developer.

We hope this article has been helpful in understanding the str_ireplace() function in PHP.