Question

How to use addcslashes() function to add to string backslashes before characters that listed in charlist in PHP

Answer 1

echo addcslashes('abc', 'A..z');

   
/*
run: 

\a\b\c 

*/

 

70+ SQL courses for beginners and professionals

Answer 2

echo addcslashes('[ ]', 'A..z'); // small z

   
/*
run: 

\[ \] 

*/

 

70+ SQL courses for beginners and professionals

Answer 3

echo addcslashes('[ ]', 'A..Z'); // big z

   
/*
run: 

[ ] 

*/

 

70+ SQL courses for beginners and professionals