To call thegreetings()function from another file, you need to import thelibrary.phpfile as shown below: // 👇 import the PHP filerequire"library.php";// 👇 call the functiongreetings(); By using therequirestatement, PHP will evaluate the code in that file before running the current fil...
return call_user_func_array([$pdo, $name], $arguments); } private static function initializePool(): void { self::$pool = new Pool(10); self::$pool->setConnectionCreator(function () { return new \PDO('mysql:host=127.0.0.1;dbname=your_database'...
}//Functionsetthesessionvariablefunctionsession_set($key,$value){ $k=APP_ID.'.'.$key; $_SESSION[$k]=$value;??returntrue; } 8.封装实用辅助函数到一个类中 所以,你必须在一个文件中有很多实用函数: functionutility_a(){??//Thisfunctiondoesautilitythinglikestringprocessing}functionutility_b(){...
上面的语法规定中发现了如下特点,产生如下语未能规定: 1.函数以**function开始** 2.function后面接空格,空格后接函数名 3.函数名与变量命名规则基本一样,但是不同的是:**函数名不区分大小写** 4.所谓参数其实就是变量 5.函数名后接括号,括号内跟参数,参数全都有[](中括号)括起来了,代表参数可填可不填 6...
public function__unserialize(array$data):void; ?> 新的序列化机制取代了Serializable接口,并且将会在未来弃用。 不带参数的数组合并函数 现在可以不带任何参数调用array_merge()和array_merge_recursive(),此时会返回空数组。这跟展开运算符结合非常有用,比如array_merge(...$arrays)。
php// Defining recursive functionfunctionprintValues($arr){global$count;global$items;// Check input is an arrayif(!is_array($arr)){die("ERROR: Input is not an array");}/* Loop through array, if value is itself an array recursively call the function else add the value found to the ...
newFiber('var_dump');newFiber(fn(string $message)=>print $message);newFiber(function(string $message):void{print $message;}); The parameters of the callback will receive the exact same parameters that the Fiber::start() method is called with. ...
1$request->whenFilled('name', function ($input) { 2 // The "name" value is filled... 3}, function () { 4 // The "name" value is not filled... 5});To determine if a given key is absent from the request, you may use the missing method:1if ($request->missing('name')) ...
// Simple key -> value set $redis->set('key', 'value'); // Will redirect, and actually make an SETEX call $redis->set('key','value', 10); // Will set the key, if it doesn't exist, with a ttl of 10 seconds $redis->set('key', 'value', ['nx', 'ex'=>10]); // ...
array_filter() array_walk() array_map() array_reduce() array_walk_recursive() call_user_func_array() call_user_func() filter_var() filter_var_array() registregister_shutdown_function() register_tick_function() forward_static_call_array() uasort() uksort() ...