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PHP Quiz PHP CertificatePHP stripos() Function
Example
Find the position of the first occurrence of "php" inside the string:
<?php
echo stripos("I love php, I love php too!","PHP");
?>
echo stripos("I love php, I love php too!","PHP");
?>
Run example »
Definition and Usage
The stripos() function finds the position of the first occurrence of a string inside another string.
Note: The stripos() function is case-insensitive.
Note: This function is binary-safe.
Related functions:
- strripos() - Finds the position of the last occurrence of a string inside another string (case-insensitive)
- strpos() - Finds the position of the first occurrence of a string inside another string (case-sensitive)
- strrpos() - Finds the position of the last occurrence of a string inside another string (case-sensitive)
Syntax
stripos(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: | 5+ |
Complete PHP String Reference
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