1/*{{{ proto array array_flip(array input)2Return array with key <-> value flipped*/3PHP_FUNCTION(array_flip)4{5//定义变量6zval *array, **entry, *data;7char*string_key;8uintstr_key_len;9ulongnum_key;10HashPosition pos;1112//解析数组参数13if(zend_parse_parameters(ZEND_NUM_ARGS()...
array_chunk — 将一个数组分割成多个 array_combine — 创建一个数组,用一个数组的值作为其键名,另一个数组的值作为其值 array_count_values — 统计数组中所有的值出现的次数 array_diff_assoc — 带索引检查计算数组的差集 array_diff_key — 使用键名比较计算数组的差集 array_diff_uassoc — 用用户提供的...
array_keys() returns an array containing the keys of given array. Examples 1. Get keys in the given array In this example, we will take an array with key-value pairs. We will call array_keys() function with the array provided as argument, to get all the keys in the array, and then...
keySpecifies the key (numeric or string) valueSpecifies the value Technical Details Return Value:Returns an array of the parameters PHP Version:4+ Changelog:As of PHP 5.4, it is possible to use a short array syntax, which replaces array() with []. ...
echo "$key: $value\n"; } ?> 输出: Fruit: Apple Fruit: Banana Fruit: Cherry name: Alice age: 25 city: New York 2. for 循环 for 循环通常用于遍历索引数组(即数组的键是数字)。 示例 php <?php $fruits = array("Apple", "Banana", "Cherry"); ...
($pdo); }); }returncall_user_func_array([$pdo, $name], $arguments); }privatestaticfunctioninitializePool():void{self::$pool =newPool(10);self::$pool->setConnectionCreator(function(){returnnew\PDO('mysql:host=127.0.0.1;dbname=your_database','your_username','your_password'); });self...
array each(m.nb.88148.com&$array) 参数:$array 是要遍历的数组。 返回值:返回一个关联数组,包含当前元素的键和值。如果没有更多的元素,则返回 false。 each() 函数的返回值 返回的数组包含以下键: key:当前元素的键。 value:当前元素的值。
If you use the array operator [ ] to assign variables to an array, PHP will use0,1,2, etc. as the keys. If you then sort the array using a function such asasort(), which keeps the keys intact, the array's keys will be out of order becauseasort()sorts by value, not by key....
An array to be compared with the first array array3,... Optional. An array to be compared with the first array myfunction Required. A string that define a callable comparison function. The comparison function must return an integer <, =, or > than 0 if the first argument is <, =, ...
Returns the key values associated with the data models. public array getKeys ( ) return array The list of key values corresponding to $models. Each data model in $models is uniquely identified by the corresponding key value in this array. Source code getModels() public method Defined in:...