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PHP | substr_replace() Function

PHP substr_replace() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP substr_replace() Function.

The PHP substr_replace() function replaces a part of a string with another string.

Note: This PHP function is binary-safe.


Following below is the syntax to use this function -


Parameter Details

Sr.NoParameters & Description


It is used to specify string to check



It specifies the string to insert



It specifies when in string to start inserting



It specifies length of a string

Return Value

This function returns the replaced string. If the string is an array then an array is going to be returned.


Try out the example below -

   echo substr_replace("Web designer tuts","Web Design Tutorialz",0);


When the above code is executed, it will produce the following result -

Web Design Tutorialz

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP substr() Function.

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