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PHP strspn() Function

PHP strspn() Function

PHP strspn() function is used to find the length of the initial segment of a string inside another string that contains only characters from the charlist parameter. It returns the total number of characters found in the string. It is case-sensitive & binary-safe.

Syntax:

  strspn( $string, $charlist, $start, $length);

Parameter Values

Parameter Description
string This is a required parameter. This parameter contains the string to search.
charlist This is a required parameter. This parameter contains the characters to find.
start This is an optional parameter. This parameter defines from where to start.
length This is an optional parameter. This parameter defines the length of the string.

Here is an example of strspn() function in PHP:

<html>
<body>

<?php
echo strspn("Hello Everyone.. Welcome to PHPTPOINT","…..Hello Everyone..");
?>

</body>
</html>
Output:
17

Here is an another example of strspn() function in PHP:

<html>
<body>

<?php
echo strspn("gfrandyhugndtyu","and",3,5);
?> 
</body>
</html>
Output:
3

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