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Последние активные темы форума |
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prev
(PHP 3, PHP 4 , PHP 5) prev -- Rewind the internal array pointer
Descriptionmixed prev ( array &array ) Returns the array value in the previous place that's pointed to by
the internal array pointer, or FALSE if there are no more
elements.
Внимание | If the array contains empty elements then this function will
return FALSE for these elements as well.
To properly traverse an array which may contain empty elements
see the each() function.
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prev() behaves just like
next(), except it rewinds the internal array
pointer one place instead of advancing it.
Пример 1. Example use of prev() and friends
<?php
$transport
= array(
'foot'
,
'bike'
,
'car'
,
'plane'
);
$mode
=
current
(
$transport
);
// $mode = 'foot';
$mode
=
next
(
$transport
);
// $mode = 'bike';
$mode
=
next
(
$transport
);
// $mode = 'car';
$mode
=
prev
(
$transport
);
// $mode = 'bike';
$mode
=
end
(
$transport
);
// $mode = 'plane';
?>
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Смотрите также current(), end(),
next(), and reset().
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