range

range -- Create an array containing a range of elements

Description

array range ( mixed low, mixed high)

דוגמה 1 . range( ) examples

 
foreach(

 
range(0

 
,

 
9

 
)

 
as

 
$number

 
)

 
{

 
echo

 
$number

 
;

 
}

 
foreach(range('a'

 
,

 
'z'

 
)

 
as

 
$letter

 
)

 
{

 
echo

 
$letter

 
;

 
}

 
foreach(range('z'

 
,

 
'a'

 
)

 
as

 
$letter

 
)

 
{

 
echo

 
$letter

 
;

 
}



הערה :

דוגמה 2 . Simulating decrementing ranges and character sequences

 
#

 
array_reverse

 
can

 
be

 
used

 
to

 
flip

 
the

 
order

 
of

 
a

 
range

 
foreach(

 
array_reverse(range(0,9)

 
)

 
as

 
$number

 
)

 
{

 
echo

 
$number

 
;

 
}

 
#

 
array_map(

 
)

 
can

 
be

 
used

 
to

 
turn

 
integers

 
into

 
characters

 
using

 
chr(

 
)

 
foreach(array_map('chr'

 
,

 
range(ord('a'),ord('z'))

 
)

 
as

 
$character

 
)

 
{

 
echo

 
$character

 
;

 
}



See shuffle( ) for another example of its use .