It calculates a 32-bit CRC  for a string

Example

<?php
echo crc32(“phpcode”);
?>

Output

975211817

It return information about characters used in a string

Example

<?php
echo “<pre>”;
print_r(count_chars(“phpcode”,1));
?>

Output

Array
(
[99] => 1
[100] => 1
[101] => 1
[104] => 1
[111] => 1
[112] => 2
)

It Uuencode a string

Example

<?php
echo convert_uuencode(“phpcode”);
?>

Output

‘<&AP8V]D90“ `

It decodes a uuencoded string

Example

<?php
echo convert_uudecode(convert_uuencode(“phpcode”));
?>

Output

phpcode

It converts from one Cyrillic character set to another

Example

<?php
echo convert_cyr_string(“phpcode Ã¥”,’w’,’a’);
?>

Output

phpcode

It splits a string into smaller chunks

Example

<?php
echo chunk_split(“phpcode”,1,”.”);
?>

Output

p.h.p.c.o.d.e.

It returns a character based on ASCII value .

Example

<?php
echo chr(52);
?>

Output

4

Its an alias of rtrim() and it removes white spaces from the right end of a string

Example

<?php
echo chop(“phpcode  “);
?>

Output

phpcode

It convert binary data into hexadecimal representation

Example

<?php
echo bin2hex(“phpcode”);
?>

Output

706870636f6465

It  returns a string with backslashes in front of the specified characters

Example

<?php
echo addslashes(‘p/h”p{[^’);
?>

Output

p/h”p{[^