$state[0]= ‘111'; $state[1]= ‘222';
$state[] =‘111'; $state[] =‘222';
$state =array(‘111', ‘222'); $state =array(‘one'=>'111', ‘two'=>'222');
$state= array(‘one', ‘two', ‘three'); list($one,$two, $three) = $state;
$num= range(1, 6); //类似于$num =array(1, 2, 3, 4, 5, 6); 可选择奇偶:$num =range(1, 6, 2);
//$num= array(1, 3, 5); 可选择字母:$ch =range(“A”, “F”); //$ch= array(“A”, “B”, “C”, “D”, “E”, “F”);
$state= array(‘11', ‘22', ‘33'); array_unshift($state,‘00'); //$state= array(‘00', ‘11', ‘22', ‘33');
$state= array(‘1', ‘2'); array_push($state,‘3'); //$state= array(‘1', ‘2', ‘3');
$state= array(‘1', ‘2'); array_shift($state); //$state= array(‘2');
$state= array(‘1', ‘2'); array_pop($state); //$state= array(‘1');
$user= array(‘111', ‘222', ‘333');
$str= ‘111';
if(in_array($str,$user)){
echo‘yes';
}else{
echo ‘no';
}
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
if(array_key_exists('two',$arr)){
echo'yes';
}else{
echo‘no';
}
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
if(array_search('1',$arr)){
echo'yes';
}else{
echo‘no';
}
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
$keys= array_keys($arr);
var_dump($keys);
//array(3) {[0]=> string(3) "one" [1]=> string(3) "two" [2]=>string(5) "three" }
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
$values= array_values($arr);
var_dump($values);
//array(3) {[0]=> string(1) "1" [1]=> string(1) "2" [2]=>string(1) "3" }
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
$key= key($arr);
var_dump($key);
//string(3) "one"
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
$value= current($arr);
var_dump($value);
//string(1)“1”
$arr =array('one'=>'1', 'two'=>'2', 'three'=>'3');
var_dump(each($arr));
//array(4) {[1]=> string(1) "1" ["value"]=> string(1)"1" [0]=> string(3) "one" ["key"]=>string(3) "one" }
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
echo next($arr); //输出2
echo next($arr); //输出3
functiontest($value ,$key){
echo$value.' '.$key."
";
}
$arr= array('one'=>'1', 'two'=>'2', 'three'=>'3');
array_walk($arr,'test');
//1 one
//2 two
//3 three
$arr= array('A', 'B', 'C', 'A');
$res= array_count_values($arr);
print_r($res);
//Array( [A] => 2 [B] => 1 [C] => 1 )
$arr= array('A', 'B', 'C', 'A');
$res= array_unique($arr);
print_r($res);
//Array( [0] => A [1] => B [2] => C )
$arr= array('A', 'B', 'C');
$res= array_reverse($arr);
print_r($res);
//Array( [0] => C [1] => B [2] => A )
$arr= array('A', 'B', 'C');
$res= array_reverse($arr, true);
print_r($res);
//Array( [2] => C [1] => B [0] => A )
$arr= array('A', 'B', 'C');
$res= array_flip($arr);
print_r($res);
//Array( [A] => 0 [B] => 1 [C] => 2 )
$arr= array('C', 'B', 'A');
$res= $arr;
print_r($arr);
sort($arr);
print_r($arr);
asort($res);
print_r($res);
//Array ( [0]=> C [1] => B [2] => A ) Array ( [0] => A [1] => B [2] => C )Array ( [2] => A [1] => B [0] => C )
$arr= array('C', 'B', 'A', 'D');
arsort($arr);
print_r($arr);
//Array( [3] => D [0] => C [1] => B [2] => A )
$arr= array('C', 'B', 'A', 'D');
$arr1= array('1', '2', '3', '4');
$arr2= array_merge($arr, $arr1);
print_r($arr2);
//Array( [0] => C [1] => B [2] => A [3] => D [4] => 1 [5] => 2 [6]=> 3 [7] => 4 )
$arr= array('one'=>'C', 'one'=>'B');
$arr1= array('three'=>'1', 'one'=>'2');
$arr2= array_merge_recursive($arr, $arr1);
print_r($arr2);
//Array( [one] => Array ( [0] => B [1] => 2 ) [three] => 1 )
$arr= array('A', 'B');
$arr1= array('1', '2');
$arr2= array_combine($arr, $arr1);
print_r($arr2);
//Array( [A] => 1 [B] => 2 )
$arr= array('A', 'B', 'C', 'D');
$arr1= array_slice($arr, 2, 1);
print_r($arr1);
//Array( [0] => C )
$arr= array('A', 'B', 'C', 'D');
$arr1= array('A', 'B', 'E');
$arr2= array('A', 'F', 'D');
$arr3= array_intersect($arr, $arr1, $arr2);
print_r($arr3);
//Array( [0] => A )
$arr= array('a'=>'A', 'b'=>'B', 'c'=>'C', 'd'=>'D');
$arr1= array('a'=>'A', 'c'=>'B', 'E');
$arr2= array('a'=>'A', 'b'=>'F', 'd'=>'B');
$arr3= array_intersect_assoc($arr, $arr1, $arr2);
print_r($arr3);
//Array( [a] => A )
$arr= array('a'=>'A', 'b'=>'B', 'c'=>'C', 'd'=>'D');
$arr1= array('a'=>'A', 'b'=>'B', 'e'=>'E');
$arr3= array_diff_assoc($arr, $arr1);
print_r($arr3);
//Array( [c] => C [d] => D )
$arr= array('a'=>'A', 'b'=>'B', 'c'=>'C', 'd'=>'D');
$arr1= array_rand($arr, 2);
print_r($arr1);
//Array( [0] => b [1] => d )
$arr= array('A', 32, 12, 'B');
$count= array_sum($arr);
print_r($count);
//44
$arr= array('A', 'B', 'C', 'D');
$arr1= array_chunk($arr, 2);
print_r($arr1);
//Array( [0] => Array ( [0] => A [1] => B ) [1] => Array ( [0] => C [1]=> D ) )
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