PHP addcslashes() Function
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PHP addcslashes()
The addcslashes() function is used to add backslashes before the specified characters in a given string.
Note: If you choose to escape characters 0, a, b, f, n, r, t and v. They will be converted to \0, \a, \b, \f, \n, \r, \t and \v, all of which are predefined escape sequences in PHP.
Example
PHP Compiler
<?php
$str = "This Is Text";
echo addcslashes($str, "T");
?>
Output
\This Is \Text
Syntax
addcslashes(str, char_list)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| str | Required | Specifies the string to be escaped. |
| char_list | Required | Specifies the sequence of characters. |
Return Value
| Value | Explanation |
|---|---|
| String | Returns a string with backslashes before characters that are listed in char_list parameter. |
More Example
Example
PHP Compiler
<?php
$str = "This Is Text";
echo "All T (uppercase only) Characters <br>";
echo addcslashes($str, "T") . "<br>";
echo "All Characters from A to Z (uppercase only) <br>";
echo addcslashes($str, "A..Z") . "<br>";
echo "All Characters from a to z (lowercase only) <br>";
echo addcslashes($str, "a..z") . "<br>";
echo "All Characters from A to z (uppercase and lowecase) <br>";
echo addcslashes($str, "A..z") . "<br>";
?>
Output
All T (uppercase only) Characters
\This Is \Text
All Characters from A to Z (uppercase only)
\This \Is \Text
All Characters from a to z (lowercase only)
T\h\i\s I\s T\e\x\t
All Characters from A to z (uppercase and lowecase)
\T\h\i\s \I\s \T\e\x\t
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