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Help Building a Function to create coma separated string

Hi,

I need help creating a PHP function CreateMetaKeywords($string);

I have one string with a description:

$description = "Create Wind And Solar' Power Systems are alternative & ecologic systems* ";

$exclude array = "create, last, plane";

function should return a string:

1- excluding all non alpha characters
2- excluding the words in $exclude array.
3- excluding words with <= 3 characters
4- Return first 6 remaining words separated by a comma.

Output should be:

"Wind, Solar, Power, systems, alternative, ecologic"

I do appreciate any help with this code.

Thank in advance.

ASKER CERTIFIED SOLUTION

Ray Paseur

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Amar Bardoliwala

Hello Fernanditos

Following is code which can help you in creating a function you want

<?php
$mystr =  "Create Wind And Solar' Power Systems are alternative & ecologic systems* ";

$exclude_array = array("create", "last", "plane");

$mystr = preg_replace("/[^A-Za-z ]/", "", $mystr);

$mystr = str_ireplace($exclude_array,"",$mystr);

$mystr = preg_replace("/\b[^\s]{1,3}\b/", "", $mystr);

$mystr = preg_replace('!\s+!', ' ', $mystr);

$my_array = explode(" ", trim($mystr));

print implode(",",array_slice($my_array, 0, 6));
?>

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Hope this will help you.

Thank you.

Amar Bardoliwala

Fernanditos

ASKER

Amazing, as usual!

Fernanditos

ASKER

I just posted a related question here: https://www.experts-exchange.com/questions/27874721/Removing-duplicated-words-from-string.html