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PHP | stristr() Function

PHP stristr() 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 stristr() Function.

The PHP stristr() function searches for the first occurrence of a string inside another string.

Note: This function is case-insensitive. For a case-sensitive() search, make use of the PHP strstr() function. This PHP function is binary-safe.


Following below is the syntax to use this function -

string stristr ( string $haystack , mixed $needle [, bool $before_needle = false ] )

Parameter Details

Sr.NoParameters & Description


It is used to specifies the string to search



It is used to specifies the string to search for

Return Value

This built-in function in PHP returns the rest of the string or else string is not found.


Try out the example below -

   echo stristr("nkpara kennedy","kennedy",true);


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


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 strlen() Function.

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