array_keys($array,"blue"); //返回值为blue的键名 1. PHP二维数组去重复项函数 PHP数组去除重复项有个内置函数array_unique (),但是php的 array_unique函数只适用于一维数组,对多维数组并不适用,以下提供一个二维数组的array_unique函数 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
參考1. 'Remove empty array elements' 2. 'Remove Empty Array Elements In PHP'
phpinclude_once('./smarty-3.1.38/libs/Smarty.class.php');$smarty=newSmarty();$my_security_policy=newSmarty_Security($smarty);$my_security_policy->php_functions=null;$my_security_policy->php_handling=Smarty::PHP_REMOVE;$my_security_policy->php_modifiers=null;$my_security_policy->static_cla...
[ 'key' => [ 'in' => [ 'k' => 'value', 'arr0' => ['arr1' => 'val'] ] ] ] 从数组中获取值(Take a value from an array) 如果你想获得一个值,然后立即从数组中删除它,你可以使用 remove 方法:$array = ['type' => 'A', 'options' => [1, 2]]; $type = ArrayHelper:...
‘name'=>1)) mysql: order by name desc mongo: array(‘sort'=>array(‘name'=>-1)) mysql: limit 0,2 mongo: array(‘limit'=>array(‘offset'=>0,'rows'=>2)) mysql: select name,email mongo: array(‘name','email') mysql: select count(name) mongo: array(‘COUNT') //注意:COUNT...
But if instead of a valid array, a null value was passed in, you will see: 1 Warning: array_reverse() expects parameter 1 to be array, null given One way to get around this is to make sure all functions you use (PHP or your own) are “safe,” or do some level of null-...
("error",'SQL_ERROR'); + + $configs=array(); + while($row=$sql->fetch_assoc()){ + $configs[$row['name']]=$row['value']; + } + array_key_exists($configName,$configs) or returnInfoData("error","No found config"); + + return $configs[$configName]; +} + +function ...
The attempt method accepts an array of key / value pairs as its first argument. The values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column. If the user is found, the hashed ...
The array is:Array([0] => Rose[1] => Lili[3] => Jasmine[4] => Hibiscus[6] => Tulip[8] => Sun Flower[10] => Daffodil[11] => Daisy) Useunset()Function to Remove the Empty Array Elements in PHP Theunset()function removes the value stored in a variable. We can use it to...
$value.'!':$value; } ) // ['foo'=>['bar'=>'baz!'],'bar'=>['baz'=>'gnarr!'],'gnarr'=>['foo'=>'gnaz']] $output = []; array_map_deep( [1=>[2=>[3=>[4=>[5=>'ok1'],6=>[7=>'ok2']]],8=>'ok3']