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PHP method to convert all strings into uppercase or lowercase, uppercase and lowercase_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:02:45807browse
php method to convert all strings into uppercase or lowercase, uppercase and lowercase
This article describes the example of php method to convert all strings into uppercase or lowercase. Share it with everyone for your reference. The specific analysis is as follows:
In PHP, you can use the strtolower and strtoupper functions to convert all English characters in the string to lowercase or uppercase
<?php
$string = "Learn PHP string functions at jb51.net";
$lower = strtolower($string);
$upper = strtoupper($string);
print("$lower\n");
print("$upper\n");
print("\n");
?>
The output results are as follows:
learn php string functions at jb51.net LEARN PHP STRING FUNCTIONS AT JB51.NET
I hope this article will be helpful to everyone’s PHP programming design.
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