string addcslashes ( string str , stringcharlist )

<?php
str="Welcome to JavaTpoint";
echo "Your String : ".str;
echo "<br>"."By using 'addcslashes()' method your string: ".addcslashes($str,'T')."<br>";
?>

Your String : Welcome to JavaTpoint
By using 'addcslashes()' method your string: Welcome to Java\Tpoint

<?php
str="Welcome to JavaTpoint";
echo "Your String : ".str;
echo "<br>"."By using 'addcslashes()' method your string: ".addcslashes($str,'a')."<br>";
?>

Your String : Welcome to JavaTpoint
By using 'addcslashes()' method your string: Welcome to J\av\aTpoint

<?php
str ="Welcome to JavaTpoint"."<br>";
echo "str";
echo addcslashes($str,'A..Z')."<br>";
?>

Welcome to JavaTpoint
\Welcome to \Java\Tpoint

<?php
str ="Welcome to JavaTpoint"."<br>";
echo "str";
echo addcslashes($str,'a..z')."<br>";
?>

Welcome to JavaTpint
W\e\l\c\o\m\e \t\o J\a\v\aT\p\o\i\n\t<\b\r>

<?php
str ="Welcome to JavaTpoint";
echo "Your string value is: ".str."<br>";
echo "By using addcslashes() Function your value is : ".addcslashes($str,'a..m');
?>

Your string value is: Welcome to JavaTpoint
By using addcslashes() Function your value is : W\e\l\co\m\e to J\av\aTp\oint