PHP addslashes() 函數(shù)

PHP addslashes() 函數(shù)用于返回一個(gè)帶有斜杠的引號(hào)字符串。愛掏網(wǎng) - it200.com它適用于以下一些字符：

• 單引號(hào) (')
• 雙引號(hào) (")
• 反斜杠 (\)
• NUL（NUL字節(jié)）

string addslashes ( string $str );

示例1

<?php 
str = 'What does "WHO" mean?';
echo "Your string is :".str;
echo "<br>"."By using addslashes() function the result  is".addslashes($str); 
?> 

輸出：

Your string is :What does "WHO" mean?
By using addslashes() function the result isWhat does \"WHO\" mean?

示例2

<?php
str = "Who's the father of PHP?";
echostr . " This is not safe in a database query.<br>";
echo addslashes($str) . " This is safe in a database query.";
?>

輸出：

Who's the father of PHP? This is not safe in a database query.
Who\'s the father of PHP? This is safe in a database query.

示例3

<?php
str =  "Wow' PHP?";
eval("echo '" . addslashes(str) . "';");
?>

輸出:

Wow' PHP?

addslashes()的用例是在一個(gè)字符串中轉(zhuǎn)義上述字符，該字符串將由PHP進(jìn)行評(píng)估：

示例4

<?php
str = "Is The Father of PHP'Rasmus?";
//Is The Father of PHP\'Rasmus?
echo addslashes(str);
?>

輸出：

Is The Father of PHP\'Rasmus?