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PHP | strstr() Function

PHP strstr() 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 strstr() Function.

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

Note: This PHP function is case-sensitive and binary-safe.


Following below is the syntax to use this function -


Parameter Details

Sr.NoParameters & Description


It specifies the string to search



It specifies the string to search



A boolean value whose default is "false". If set to "true", it returns the part of the string before the first occurrence of the search parameter.

Return Value

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


Try out the example below -

   echo strstr("kittuprasasd",111);

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 strtok() Function.

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