It parses input from a string according to a format

Example

<?php
$string = “first:php second:code”;
sscanf($string,”%s%s”,$first,$second);
echo $first.$second;
?>

Output

first:phpsecond:code

It returns a formatted string

Example

<?php
parse_str(“first=php&second=code”);
echo sprintf(“%s%s”,$first,$second);
?>

Output

phpcode

It calculates the  soundex key of a string

• A soundex key is a four character long alphanumeric string that represent English pronunciation of a word.
• The soundex() function can be used for spelling applications.
• The soundex() function creates the same key for similar sounding words.

Example

<?php
 echo soundex("phpcode");
 ?>

Output

P123

It calculates the similarity between two strings

Example

<?php
echo similar_text(“phpcode”,”phpcodez”);
?>

Output

7

It calculates the SHA-1 hash of a file

Example

<?php
echo sha1(“phpcode”);
?>

Output

1786808aabe8b4f824ef2741a9e63bf8212e52d3

It calculates the SHA-1 hash of a file

Example

<?php
echo sha1_file(“test.txt”);
?>

Output

1786808aabe8b4f824ef2741a9e63bf8212e52d3

It sets locale information

Example

<?php
echo setlocale(LC_ALL,”En-Us”);
?>

It strips whitespace from the end of a string

Example

<?php
echo rtrim(“phpcode  “);
?>

Output

phpcode

The quotemeta() function adds backslashes in front of some predefined characters in a string.

This function can be used to escape characters with special meanings, such as ( ), [ ], and * in SQL.

This function is binary-safe.

The predefined characters are:

• period (.)
• backslash (\)
• plus sign (+)
• asterisk (*)
• question mark (?)
• brackets ([])
• caret (^)
• dollar sign ($)
• parenthesis (())

Example

<?php
 echo quotemeta("php(code)'");
 ?>

Output

php(code)’

It convert a 8 bit string to a quoted-printable string

Example

<?php
echo quoted_printable_encode(“php=0Acode”);
?>

Output

php=3D0Acode