This function supports in a full fledge mode in versions 4+.This function is considered binary safe as well.This function is considered as case sensitive function but when compared to str_ireplace() function the str_ireplace() function performs a case-insensitive search.Ī general string or the string can be string with all the occurrences of replaced value. The optional value of count has another significance which means count function is added in PHP version more than 5.0.Earlier Versions of PHP less than 4 involves function which involves quite a lot of complex functions such as find and replace which was indeed making the entire function of string find and replace very cumbersome.It will cause empty find indexes and interplay of internal pointers of arrays. All these complexities of find and replace got overcome with the count function being introduced in the PHP with versions 4+.Search functionality and replace function needs lot of attention and focus as both will be used internally in order to perform the functionality with respect to the search operation.Sometimes there is a misconception between str_replace() method and str_ireplace() method but the difference is not much very minute difference lies with the fact that both seals with the case sensitive and case insensitive modes respectively.Overall string_replace() function works with four mandate parameters which provides re-usability and flexibility to programmers at the time of implementation.Given below are the examples mentioned : Example #1 This program demonstrates the replace() function in PHP which first finds for the string and then replaces the value of the string with some part as defined. Let's Find for the string "Life_in_writing" and replace the value of writing with "Anusua" It makes the entire php string replaced with some value as shown in the output.
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