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Detailed explanation of addcslashes() function in PHP

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May 08, 2021 pm 03:22 PM

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Detailed explanation of addcslashes() function in PHP

The previous article told you about "How to understand foreach traversing a two-dimensional array in php". This article mainly talks about php The addcslashes() function in. In the actual use of

php, we may need to escape some characters in the string. At this time, we need to use the php Built-in function addcslashes() function, this article will take you to take a look.

addcslashes    ( string $str   , string $charlist   )

$str: Characters to be escaped
$charlist: Characters or character range to be escaped.
Return value: escaped characters.

Code example:

<?php 
$str = "Welcome to php.cn!"; 
echo $str."<br>"; 
echo addcslashes($str,&#39;n&#39;)."<br>"; 
echo addcslashes($str,&#39;h&#39;)."<br>"; 
?>

输出：
Welcome to php.cn!
Welcome to php.c\n!
Welcome to p\hp.cn!

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