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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
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
22
17
7
14
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