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PHP str_replace() Function

PHP str_replace() Function

PHP str_replace() function is used to replace some characters of a given string with other characters. It replaces all the characters of the given string which matches with the replacement string. It is case-sensitive & binary-safe.

Syntax:

  str_replace( $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_replace() function in PHP:

<html>
<body>

<?php
$str = "Hello everyone.. I am Abhi..";
echo str_replace("Abhi","Jerry",$str);
?>

</body>
</html>
Output:
Hello everyone.. I am Jerry..

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

<html>
<body>

<?php
$str= "Red yellow pink green red black red blue black white red black";

echo str_replace("red","Black",$str,$i); // Case-sensitive

echo "<br>" . "Replacements: $i";
?>

</body>
</html>
Output:
Red yellow pink green Black black Black blue black white Black black
Replacements: 3

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