String Splitting in PHP
Given a string:
<?php
$str = 'aaa bbb ccc';
?>
Write each word of this string into a separate array element.
Given an array:
<?php
$arr = ['a', 'b', 'c', 'd', 'e'];
?>
Merge the elements of this array into a string so that they are separated by commas.
Given a string:
<?php
$str = '1234567890';
?>
Split it into the following array:
['12', '34', '56', '78', '90']
Given a string:
<?php
$str = '1234567890';
?>
Split it into the following array:
['1', '2', '3', '4', '5', '6', '7', '8', '9', '0']
Given a string:
<?php
$str = '1234567890';
?>
Make the following string from it without using a loop:
'12-34-56-78-90'
The variable $date contains a date in the format
year-month-day. Convert this date
to the format day.month.year.
Given a string:
<?php
$str = 'word※word※word※word';
?>
Split the string by the character '※' using mb_split.
Given a string:
<?php
$str = 'программирование';
?>
Split the string into an array of characters using mb_str_split.
Given a string:
<?php
$str = 'кириллица';
?>
Split the string into an array of characters using mb_str_split,
specifying a fragment length of 2 characters.
