strpos (PHP 4, PHP 5, PHP 7, PHP 8) strpos — Find the position of the first occurrence of a substring in a string

Definition and Usage The strpos () function finds the position of the first occurrence of a string inside another string. Note: The strpos () function is case-sensitive. Note: This function is binary-safe. …

In this tutorial, you'll learn how to use the PHP strpos () function to get the index of the first occurrence of a substring in a string.

The strpos () function in PHP is used to find the position of the first occurrence of a substring in a string. It returns the numeric position of the first

64 strpos returns false if the string is not found, and 0 if it is found at the beginning. Use the identity operator to distinguish the two:

More Examples Here're some more examples showing how strpos() function actually works: The following example uses the start parameter to perform searching.

The PHP String strpos () function allows us to find the first occurrence of a string in another string. This generates an integer representing the position of the first occurrence of the string. This function is …

Jul 20, 2023 · The strpos() function performs a case-sensitive search for the position of the first occurrence of a substring in a given string. If the substring is found, it will return the index of the …

Apr 14, 2023 · Learn how to use PHP's strpos () and stripos () functions effectively with this comprehensive guide, including detailed explanations and examples for developers.

Sep 14, 2025 · What Are strpos in PHP? strpos in PHP is a built-in function. Its use is to find the first occurrence of a substring in a string or a string inside another string. The function returns an integer …