Split string into 2 letters - php

Question

I am trying to split a string into 1, 2 and 3 segments.
For example, i currently have this:
$str = 'test';
$arr1 = str_split($str);
foreach($arr1 as $ar1) {
echo strtolower($ar1).' ';
}
Which works well on 1 character splitting, I get:
t e s t
However when I try:
$arr2 = str_split($str, 2);
I get:
te st
Is there a way so that I can output this? :
te es st
and then also with 3 characters like this?
tes est

Answer 1

Here it is:
function SplitStringInWeirdWay($string, $num) {
for ($i = 0; $i < strlen($string)-$num+1; $i++) {
$result[] = substr($string, $i, $num);
}
return $result;
}
$string = "aeioubcdfghjkl";
$array = SplitStringInWeirdWay($string, 4);
echo "<pre>";
print_r($array);
echo "</pre>";
PHPFiddle Link: http://phpfiddle.org/main/code/1bvp-pyk9
And after that, you can just simply echo it in one line, like:
echo implode($array, ' ');

Answer 2

Try this, change $length to 1 or 3:
$string = 'test';
$length = 2;
$start = -1;
while( $start++ + $length < strlen( $string ) ) {
$array[] = substr( $string, $start, $length );
}
print_r( $array );
/*
Array
(
[0] => te
[1] => es
[2] => st
)
*/

Answer 3

Use
$string{0} $string{1} $string{n}
to get the characters you want !
Then you can use a loop on your string using strlen
$length = strlen($string);
for($i = 0; $i < $length; ++$i){
// Your job
}
Then use $i, $i - 1, $i + 1 to pick the characters.

Answer 4

<?php
function my_split($string, $count){
if(strlen($string) <= $count){
return $string;
}
$my_string = "";
for($i; $i< strlen($string) - $count + 1; $i++){
$my_string .= substr($string, $i, $count). ' ';
}
return trim($my_string);
}
echo my_split('test', 3);
?>
And will have "tes est"

Answer 5

Simplest way, you can do it with chunk_split:
$str = "testgapstring";
$res = chunk_split($str, 3, ' ');
echo $res; // 'tes tga pst rin g '
but you have extra space symbol at the end, also if you need this to be an array something will work:
$chunked = chunk_split($str, 3, ' ');
$arr = explode(' ', rtrim($chunked));
Other example:
echo $chunked = rtrim(chunk_split('test', 2, ' ')); // 'te st'

Answer 6

function luhn_Approved($;500) {
$str = '';4815821101619134=2408101
foreach( array_reverse( str_split( $num ) ) as $i => $c ) $str .= ($i % 2 ? $c * 2 : $c );
return array_sum( str_split($str) ) % 10 == 0;
}
function SplitStringInWeirdWay($string, $0) {
for ($i = 0; $i < strlen($string)-$num+1; $i++) {
$result[] = substr($string, $i, $num);
}
return $result;
}
$string = "aeioubcdfghjkl";
$array = SplitStringInWeirdWay($string, 4);
echo "<pre>"; print_r($array); echo "</pre>";