PHP MYSQL Programming, For Beginners, Quick Start Guide. by Ray Yao
Author:Ray Yao [Yao, Ray]
Language: eng
Format: azw3
Publisher: Step by Step Tutorial eBook & Book
Published: 2020-08-05T16:00:00+00:00
Explanation:
After using the file myfile. txt, fclose( $openfile ) closes the opened file.
Exercise: Extract Sth .
substr( ) Demo
Open your favorite PHP editor, write following codes to it:
<html>
<?php
echo 'substr("JavaScript in 8 Hours! ",4,6) returns: '. "<br>";
echo substr("JavaScript in 8 Hours! ",4,6). "<br><br>";
echo 'substr("JavaScript in 8 Hours! ",11) returns: '. "<br>";
echo substr("JavaScript in 8 Hours! ",11). "<br><br>";
?>
</html>
“Save ” the file with name “substrDemo. php”, and run the program.
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