PHP strspn() Function

The strspn() function is used to returns the number of characters found in the string that contains only characters from the charlist parameter.

strspn(string,charlist,start,length)

• string - (Required) Specify the string to search.
• char - (Required)Specify the characters to find.
• start - (optional)Specify where the string to start.
• length -(optional) Specify the length of the to string.

<?php
    echo strspn("Good Morning","MornGsd");
?>

4

<?php
    echo strspn("Good Morning !","Morning Good !");
?>

14