string functions and manipulations in php

vims · #81 (**permalink**) 11-18-2007, 10:22 PM

Let us discuss about strlen()

strlen - It is used to return the length of the string that is passed as an argument.

Syntax:
strlen(stringname);

Example:

Code:

$vString="Discuss web"; 
echo strlen($vString);

Output:
11

venkat_charya · #82 (**permalink**) 11-30-2007, 03:10 PM

str_word_count()

The str_word_count() function counts the number of words in a string.

Syntax
str_word_count(string,return,char)

Parameters are
string = Specifies the string to check and it is Required field.
return = Specifies the return value of the str_word_count() function and Optional.

Possible values:
0 - Default. Returns the number of words found
1 - Returns an array with the words from the string
2 - Returns an array where the key is the position of the word in the string, and value is the actual word

char = Specifies special characters to be considered as words and it is Optional field.

Note: This parameter was added in PHP 5.1

PHP Code:

  <?php

echo str_word_count("Hello world!");

?>

Output
2

Thanks

venkat_charya · #83 (**permalink**) 11-30-2007, 03:23 PM

strtok()

The strtok() function splits a string into smaller strings.

Syntax
strtok(string,split)

Parameters
string = Specifies the string to split and it is Required field.
split = Specifies one or more split characters and it is Required field.

strtok() splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token. That is, if you have a string like "This is an example string" you could tokenize this string into its individual words by using the space character as the token.

PHP Code:

  <?php

$first_token  = strtok('/something', '/');

$second_token = strtok('/');

var_dump($first_token, $second_token);

?>

Output:
string(0) ""
string(9) "something"

Thanks

Senthilkumar · #84 (**permalink**) 12-03-2007, 06:59 AM

Hi KK

Is any string function available in PHP to decode or encode the HTML contents?

Explizite · #85 (**permalink**) 12-04-2007, 01:17 AM

Why do you need to encode HTML contents?
Maybe you'd like to encode a string, or a number of strings maybe?
If so, there are thousand of algorythms to achieve this.
Try PHP: Manual Quick Reference

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