$array
=
[
0 => [
0 => 'hypertext',
1 => 0,
],
1 => [
0 => 'language',
1 => 10,
],
2 => [
0 => 'programming',
1 => 19,
],
]
#1
|
preg_split
|
('/[\s ]+/', |
#2
|
preg_split
|
("//", |
#3
|
preg_split
|
("/ /", |