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PHP strcspn() Function

PHP strcspn() Function

PHP strcspn() function is used to get the number of characters present in a given input string before any part of the defined characters to be searched are found. It is case-sensitive and binary-safe.

Syntax:

strcspn( $string, $char, $start, $length);

Parameter Values

Parameter Description
string This is a required parameter. This parameter defines the string to search.
char This is a required parameter. This parameter defines the characters to search for.
start This is an optional parameter. This parameter defines where in string to start from.
length This is an optional parameter. This parameter defines the length of the string.

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

<html>
<body>

<?php
echo strcspn("PHPTPOINT","O");
?>
 
</body>
</html>
Output:
5

Here is an another example of strcspn() function in PHP

<html>
<body>

<?php
$str = "Hello Everyone.. I am Jerry";

echo strcspn($str,"J",0,25)."<br>";// start position is 0 and length of the search string is 25.
echo strcspn($str,"J",5,20)."<br>"; // start position is 5 and length of the search string is 20.
echo strcspn($str,"J",15,10)."<br>"; // start position is 5 and length of the search string is 20.
echo strcspn($str,"J",8,20)."<br>"; // start position is 5 and length of the search string is 20.
?>
 
</body>
</html>
Output:
22
17
7
14

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