, . PHP - , , - . , , ; , .
- is_array , .
: bool is_array (mixed $var). TRUE, var array, FALSE .
:
<?php
$yes = array('', '');
echo is_array($yes)? '': ' ';
echo "\n";
$no = ' ';
echo is_array($no)? '': ' ';
?>
:
- array_search
.
: mixed array_search (mixed $needle, array $haystack [, bool $strict = false ]). needle, , FALSE. needle haystack , . , , array_keys() search_value.
array_search():
<?php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');
$key = array_search('green', $array); // $key = 2;
$key = array_search('red', $array); // $key = 1;
?>
- asort , .
: bool asort (array &$array [, int $sort_flags = SORT_REGULAR ]). , . , , , => .
asort():
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
asort($fruits);
foreach ($fruits as $key => $val) {
echo "$key = $val\n";
}
?>
:
c = apple
b = banana
d = lemon
a = orange
, , [4].
, PHP . , . .
- checkdate .
: bool checkdate (int $month, int $day, int $year). . , . TRUE, , FALSE .
|
|
|
- getdate /.
: array getdate ([ int $timestamp = time() ]). (array), , timestamp , timestamp .
getdate()
<?php
$today = getdate();
print_r($today);
?>
- :
Array
(
[seconds] => 40
[minutes] => 58
[hours] => 21
[mday] => 17
[wday] => 2
[mon] => 6
[year] => 2003
[yday] => 167
[weekday] => Tuesday
[month] => June
[0] => 1055901520
)
PHP - , -. , -, , . PHP : , HTTP, , , .
:
- PHP;
- , ;
- .
