PHP str_replace() Function

PHP str_replace() Function

The str_replace() function in PHP replaces all occurrences of the search string with the specified replacement string. This function is case-sensitive.

Syntax

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

Parameter

search(required)- This parameter signifies the value to search.

replace(required)- This parameter represents the replacement value that replaces found search values.

subject(required)- This parameter specifies the string to be searched.

count(optional)- This parameter signifies a variable that counts the number of replacements

Return

This function returns a string or an array with the replaced values.

Example 1

Output

The original string:Hello World!
After the str_replace() function...
New string: Hello world! 

Example 2

Output

After using the str_replace()...
 Array
 (
     [0] => T
     [1] => and
 ) 

Example 3

Output

Array
 (
     [0] => Hello
     [1] => world
     [2] => $
 )