Php converts all strings to uppercase or lowercase letters. Php converts all strings to uppercase/lowercase letters. This article describes how php converts all strings to uppercase/lowercase letters, it involves strtolower and strtoupper in php.
PHP converts all strings to uppercase or lowercase methods
This article mainly introduces PHP to convert all the strings into uppercase or lowercase methods, involving PHP strtolower and strtoupper functions such as the use of skills, the need for
: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data
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Php + ajax + json is the simplest example.
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Php programming notes-three methods for obtaining POST data from small_123 php
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Php + ajax + json is the simplest example.
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This article mainly introduces several PHP uppercase/lowercase conversion functions, which can be used to convert letters into uppercase/lowercase letters or convert all letters into uppercase/lowercase letters. For more information, see
This
We know that in PHP to implement the case conversion can use the Strtolower function, then today we will give you a very brief introduction of how to use PHP to achieve this effect.
1, convert the string to lowercase
Strtolower function: This
This article mainly introduces the PHP to convert all the strings to uppercase or lowercase methods, involving PHP strtolower and strtoupper functions such as the use of skills, need friends can refer to the
This example describes how PHP converts
Php generates a random string containing numbers, uppercase and lowercase English letters. php code
/*** Generate a random string of the specified length (including uppercase letters, lowercase letters, and numbers) ** @ author Wu Junwei ** @
In php, the uppercase/Lowercase conversion functions include: strtolower, strtoupper, ucfirst, ucwords, and so on, this article will introduce how to use these uppercase/Lowercase conversion functions.
1. convert string to lowercase
Strtolower ():
We found a strange phenomenon. if u is added, the results are different, and the results of uppercase and lowercase U are different. We found a strange phenomenon. if u is added, the results are different, and the results of uppercase and lowercase
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