1 使用array_filter 数组函数 比如我们将数组里,name为abdul的用户删除 $array=array(array('name' => 'Jonathan', 'id' => '5'),array('name' => 'Abdul', 'id' => '22') );functionfn_filter($var) {if(strcasecmp($var['name'], 'abdul') == 0){returnfalse; }returntrue; }print_r(...
array_filter() 函数用回调函数过滤数组中的元素。 该函数把输入数组中的每个键值传给回调函数。如果回调函数返回 true,则把输入数组中的当前键值返回给结果数组。数组键名保持不变。 语法 array array_filter(array $array[,callable $callback[,int$flag=0]]) ...
array_filter() 函数用回调函数过滤数组中的元素。 该函数把输入数组中的每个键值传给回调函数。如果回调函数返回 true,则把输入数组中的当前键值返回给结果数组。数组键名保持不变。 语法: 1 array array_filter ( array $array [, callable $callback [, int $flag = 0 ]] ) array : 必需。规定要过滤...
The PHP array_filter() function filters elements of an array using a callback function. This function iterates over each value in the array passing them to ...
PHP Classes/Objects Define a class and an objectUsing the $this keywordUsing the instanceof keywordCreating a constructorCreating a destructorInheritanceClass constantsAbstract classesTraitsStatic methodStatic property PHP OOP (Classes/Objects) explained ...
No? Consider this example. Suppose we also needed to add all of the values within the array. So, we need add function:1 function add(float $a, float $b): float { 2 return $a + $b; 3 } Now, without fiddling with the internals of the function, I use the adder to reduce the ...
1Arr::first($array,function($value,$key){ 2return!is_null($value); 3}); In previous versions of Laravel, the$keywas passed first. Since most use cases are only interested in the$valueit is now passed first. You should do a "global find" in your application for these methods to ve...
/** * @property int $id * @property int|string $firstName * @property string $lastName * @property null|City $city * * @extends \Arrayy\Arrayy<array-key,mixed> */ class User extends \Arrayy\Arrayy { protected $checkPropertyTypes = true; protected $checkPropertiesMismatchInConstructor ...
<?php // Licence: https://bit.ly/2CFA5XY // Function definition for 'orderBy' that takes an array of items, an attribute, and an order ('asc' or 'desc') as parameters function orderBy($items, $attr, $order) { // Initialize an empty associative array to store the items with ...
use Improved\IteratorPipeline\Pipeline; $result = Pipeline::with($values) ->filter(function($value) { return is_int($value) && $value < 10; }) ->unique() ->map(function($value) { return $value * $value - 1; }) ->limit(10) ->toArray();...