PHP question

ShardHostSarah

HI all,

Just a quick one, what's the best way to remove the part before a decimal place and the part after a decimal place in a string.

E.g

string of "12345.567843

I need to return both 12345 and 567843 seperately

Thanks in advance.

upfreak

use the explode function

$source  = "12345.567843";
$result = explode(".", $source);
echo $result[0]; // 12345
echo $result[1]; // 567843

Adduc

<?php
$str = "12345.567843";
$arr = explode(".", $str);
print_r($arr);

Outputs:

Array
(
    [0] => 12345
    [1] => 567843
)

ShardHostSarah

Perfect, thanks!

serverian

GOD BLESS OVERKILLING

preg_match_all('|([0-9]*)\.([0-9]*)|', $in, $out);

print_r($out);

super320

<?php
preg_match('/([0-9]+)\.([0-9]+)/', $str, $regx);
array_shift($regx);
print_r($regx);

sleddog

But regex's are so slow

$value = 12345.567843;
$first_part = floor($value);
$second_part = str_replace("${first_part}.", '', $value);

In reality I'd probably do:

list($first_part,$second_part) = explode('.', $value);

After first testing that $value is in the expected format.

Microlinux

I feel like we should have a competition to see who can do this using the most code.

ShardHostSarah

What did I start...

sleddog

It's interesting to see how many different ways a simple task can be accomplished

mpkossen

@super320 said:
<?php
preg_match('/([0-9]+).([0-9]+)/', $str, $regx);
array_shift($regx);
print_r($regx);

I can take a nap while that preg_match is running ;-)

Adduc

$value = "12345.567843";
$first_part = strtok($value, '.');
$second_part = strtok('.');

sman

What no sed or awk? This thread would not be complete without it.

serverian

$firstpart = '';
$lastpart = '';
$array = array();
$string = '12345.567843';
$stringsize = strlen($string);

for($i=0; $i<$stringsize; $i++)
{
   $array[] = $string[$i];
   if($string[$i] == '.')
   {
       $dotposition = $i;
   }
}

foreach($array as $key => $val)
{
    if($key < $dotposition)
    {
        $firstpart .= $val;
    }
    elseif($key > $dotposition)
    {
        $lastpart .= $val;
    }
}

echo $firstpart;
echo "\n";
echo $lastpart;

upfreak

lol you guys seems bored...

serverian

$string = '12345.567843';
$array = str_split($string);
$dotposition = array_search('.', $array);
$firstpart = implode('', array_slice($array, 0, $dotposition-1));
$lastpart = implode('', array_slice($array, $dotposition+1, count($array)-1));

echo $firstpart;
echo "\n";
echo $lastpart;

Adduc

$value = "12345.567843";
$value = str_split($value);
$first_part = $second_part = '';
foreach($value as $key => $char) {
    unset($value[$key]);
    if($char == '.') {
        $second_part = implode('', $value);
        break;
    }
    $first_part .= $char;

}

Adduc

$value = "12345.567843";
list($first_part, $second_part) = sscanf($value, "%d.%d");

sman

This only removes the decimal. Too lazy to figure out the rest.

echo '12345.567843' | sed 's/.//g'

serverian

$firstpart = '';
$string = '12345.567843';
$i = 0;

while(true)
{
    $firstpart .= $string[$i];
    if($string[$i] == '.')
    {
        break;
    }
    $i++;
}
    
$lastpart = str_replace($firstpart, '', $string);

echo rtrim($firstpart, '.');
echo "\n";
echo $lastpart;

pskosinski

@sman said:
This only removes the decimal. Too lazy to figure out the rest.

echo '12345.567843' | sed 's/.//g'

That removes everything.

I guess that you mean echo '12345.567843' | sed 's/\.//g'

Yeah, silly forum engine.

Adduc

$value = "12345.567843";
$arr = array('','');
$found_dot = 0;
foreach(str_split($value) as $char) {
    $found_dot = $found_dot || $char == '.';
    $arr[$found_dot] .= $char == '.' ? '' : $char;
}

list($first_part, $second_part) = $arr;

netomx

pretty bored.

sman

@pskosinski said:
Yeah, silly forum engine.

Thanks for catching that. Yea, posted without the {code} tags at first and it must have stripped that.

Droidzone

print substr($word, 0, strpos($word,".")). " ". substr($word, strpos($word,".")+1);