Remove the first and the second item: $cars=array("Volvo","BMW","Toyota");unset($cars[0],$cars[1]); Try it Yourself » Remove Item From an Associative Array To remove items from an associative array, you can use theunset()function. ...
// remove item from array or object and fill up gaps (if numeric keys are available) __remove_by_key([0 => 'foo', 1 => 'bar', 2 => 'baz'], 1) // [0 => 'foo', 1 => 'baz'] __remove_by_key(['foo' => 1
("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 ...
* @return array */protectedfunctiongetOptions(){return[['host',null,InputOption::VALUE_OPTIONAL,'The host address to serve the application on','127.0.0.1'],['port',null,InputOption::VALUE_OPTIONAL,'The port to serve the application on',Env::get('SERVER_PORT')],['tries',null,InputOptio...
At this point tree,item (from the function’s scope) and In step 5, When the symbol table of the function is destroyed (in step 5), therefcount value decreases from 1 to 2.nodeisnowareferencetothethirdelementinthearray.Ifthevariableitem would not have been assigned by reference to the...
1 Route::get('/item/{id}', function ($id) { 2 return Item::findById($id); 3 }); But this doesn’t apply exclusively to the anonymous case, all functions create a closure. Unfortunately, at this point PHP doesn’t have support for “lambda expressions,” syntactically simpler ...
$opt_params =array('alt'=>"json"); How do I set a field to null? The library strips out nulls from the objects sent to the Google APIs as it is the default value of all of the uninitialized properties. To work around this, set the field you want to null toGoogle\Model::NULL_V...
Arrays are collections of related values, such as the data submitted from a form, the names of students in a class, or the populations of a list of cities. In Chapter 2, you learned that a variable is a named container that holds a value. An array is a container that holds multiple ...
1/** 2 * Get custom attributes for validator errors. 3 * 4 * @return array<string, string> 5 */ 6public function attributes(): array 7{ 8 return [ 9 'email' => 'email address', 10 ]; 11}Preparing Input for ValidationIf you need to prepare or sanitize any data from the ...
Key / Value Order Change Thefirst,last, andwheremethods on theArrclass, in addition to their associated global helper functions, now pass the "value" as the first parameter to the given callback Closure. For example: 1Arr::first($array,function($value,$key){ ...