Definition
The strcspn() function returns the number of characters (including whitespaces) found in a string before any part of the specified characters are found.
Syntax
strcspn(string, char, start, length)
Parameters
| Parameter | Description |
|---|---|
string |
Required. Specifies the string to search. |
char |
Required. Specifies the characters to search for. |
start |
Optional. Specifies where in string to start. |
length |
Optional. Specifies the length of the string (how much of the string to search). |
Example
<?php
echo strcspn("Welcome to PHP!", "e") . "<br>";
echo strcspn("Welcome to PHP!", "e", 8) . "<br>";