PHP function stripos()
Availability in PHP 5.0
Finds the position of the first occurrence of a string without character size resolution.
TIP:
The
striposfunction has been used in the past to check whether a string contains a substring. Since PHP 8.0, there is a nativestr_contains()function for this.
Parameters
| Parameter | Data Type | Default Value | Note |
|---|---|---|---|
$haystack |
string |
not | String to search |
$needle |
string |
not | Note that a needle can be a string of one or more characters. |
$offset |
int |
null | The optional offset parameter allows you to specify which character in the haystack to start searching for. The returned position is still relative to the start of the stack. |
Return values
int - returns the position where the found substring starts.
If the substring is not found in the searched string, return false.