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From: Matthew Carter <m@ahungry.com>
Newsgroups: comp.lang.php
Subject: Re: count chars but not using count_chars
Date: Sat, 14 Nov 2015 23:08:41 -0500
Organization: Ahungry (http://ahungry.com)
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Jerry Stuckle <jstucklex@attglobal.net> writes:

> On 11/14/2015 5:42 AM, albert wrote:
>> If have "Hello World World"
>> how can count the spaces number?
>> 
>> I founded this
>> $str = "Hello World World";
>> $strArray = count_chars($str,1);
>> 
>> 
>> but is necessary to create more code for to have the value
>> foreach ($strArray as $key=>$value)
>>     {echo "The character ".chr($key)."was found $value time";}
>> 
>> and filter the $key
>> 
>> there isn't a directly function?
>> 
>> 
>
> Not for a specific character, there isn't.  There are several ways of
> doing it.  For instance, using count_chars, you could use something like:
>
>   $cts = count_chars($str, 0); // Return counts of all chars
>   $spacecnt = $cts[' '];  // Get number of spaces
>
> Alternatively, something like:
>
> $cts = 0;
> for ($i = =; i < strlen($str); $i++)
>    if ($str[$i] == ' ')
>       $cts++;
>
> Or any number of ways.  You could use a regex, as Pointed Head
> indicated, but that can get pretty complex for a new programmer pretty
> quickly - and really is overkill for something relatively simple.
>
> And BTW - don't worry about Pointed Head's complaints.  He's a
> well-known troll in this and several other newsgroups.

If you have a somewhat recent version of PHP, this will work:

$str = "Hello World World";
$spaces = count_chars($str,1)[32];

echo "You had {$spaces} spaces.";

-- 
Matthew Carter (m@ahungry.com)
http://ahungry.com