# PHP strpos() Function

PHP String Reference

## Example

Find the position of the first occurrence of "php" inside the string:

<?php
echo strpos("I love php, I love php too!","php");
?>
Run example »

## 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.

Related functions:

- strrpos() - Finds the position of the last occurrence of a string inside another string (case-sensitive)
- stripos() - Finds the position of the first occurrence of a string inside another string (case-insensitive)
- strripos() - Finds the position of the last occurrence of a string inside another string (case-insensitive)

## Syntax

strpos(string,find,start)

Parameter | Description
--- | ---
string | Required. Specifies the string to search
find | Required. Specifies the string to find
start | Optional. Specifies where to begin the search

## Technical Details

Return Value: | Returns the position of the first occurrence of a string inside another string, or FALSE if the string is not found. Note: String positions start at 0, and not 1.
PHP Version: | 4+

PHP String Reference

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