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PHP str_ireplace() Function

PHP str_ireplace() function is used to replace some characters with some other characters in a given input string. It is similar to the str_replace() function but it is case-insensitive.

Syntax:

  str_ireplace($find, $replace, $string, $count );

Parameter Values

Parameter	Description
find	This is a required parameter. This parameter defines the value to find.
replace	This is a required parameter. This parameter defines the value to replace the value in find.
string	This is a required parameter. This parameter contains the string to be searched.
count	This is an optional parameter. This parameter contains a variable that counts the number of replacements.

Here is an example of str_ireplace() function in PHP:

<html>
<body>

<?php
echo str_ireplace("Abhi","Jerry","Hello everyone!! I am Abhi.");
?>

</body>
</html>

Output:
Hello everyone!! I am Jerry.

Here is an another example of str_ireplace() function in PHP:

<html>
<body>

<?php
$str= "Red yelloe pink green red black red blue black white red black";
print_r(str_ireplace("Red","Black",$str,$i)); // Case-insensitive
echo "<br>" . "Replacements: $i";
?>

</body>
</html>

Output:
Black yelloe pink green Black black Black blue black white Black black
Replacements: 4

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