echo "$key: " . implode(', ', $items) . "\n"; } ?> 解释 创建嵌套数组: 使用array() 函数或短数组语法 [] 创建一个关联数组,其中每个键对应的值是一个数组。 例如,$multiMap = array('category1' => array('item1', 'item2', 'item3'), 'category2' => array('
PHP_URL_FRAGMENT(散列符号#之后)中的任何一个,然后会返回string。如果省略的话,那就返回关联数组array。 此外,还有一个函数parse_str()需要介绍一下: 函数原型为parse_str(string ,array) 这个函数可以把Query String中的变量解析到array中,array可以缺省,但是会覆盖原变量; 注意:php.ini中的magic_quotes_gpc设置...
It's not obvious from the samples, if/how associative arrays are handled. The "implode" function acts on the array "values", disregarding any keys: <?php declare(strict_types=1); $a= array('one','two','three'); $b= array('1st'=>'four','five','3rd'=>'six'); ...
It is also possible to implode an associative array using the following code (if you do not like (mis-)using http functions): <?php $assoc_array = array("Key1" => "Value1", "Key2" => "Value2"); $new_array = array_map(create_function('$key, $value', 'return $key.":".$...
此特性是 PHP 5.1.0 中新增的。 implode():把数组元素组合为一个字符串。 函数原型:implode(separator,array) 参数说明: separator 可选(不建议不填写)。规定数组元素之间放置的内容。默认是 ""(空字符串)。 array 必需。要结合为字符串的数组。
while ($s_parts[0]) {array_unshift($r_parts, '..');array_shift($s_parts); } return implode('/', $r_parts);}//---// Example:// Given a source path $sp generates the relative // location of $rp. $sp could be assigned using // $_SERVER['PHP_SELF'] but it's hardcoded ...
implode 将一个一维数组的值转化为字符串 import_request_variables 将GET/POST/Cookie 变量导入到全局作用域中 inclued_get_data Get the inclued data inet_ntop Converts a packed internet address to a human readable representation inet_pton Converts a human readable IP address to its packed in_addr ...
krsort() - It is used to sort an associative array in descending order, according to the keyQ9. What is implode() in php? Answer PHP implode() function is used join array elements with a string.In other words we can say it returns a string from the elements of an array. $array =...
$randomElements = array_map(function ($key) use ($numbers) { return $numbers[$key]; }, $randomKeys); echo "Multiple random elements: " . implode(', ', $randomElements) . "\n"; In this program, thearray_randfunction is used to pick random keys from the$numbersarray. The elements...
echo implode(", ", array_flip(array_intersect(array_flip($vals), explode(",", $db_field)));// will output "Blue, Pink, Yellow"?> up down -1 ben at kazez dot com ¶ 21 years ago To check whether an array $a is a subset of array $b, do the following:<?phpif(array...