php empty array



years ago. please note that results of empty() when called on nonexisting nonpublic variables of a class are a bit confusing if using magic method __get (as previously mentioned by nahpeps at gmx dot de). consider this example: <?php class registry { protected $_items = array(); public function __set($key, $value)

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if you just need to check if there are any elements in the array if (empty($playerlist)) { list is empty. } if you need to clean out empty values before checking (generally done to prevent explode ing weird strings): foreach ($playerlist as $key => $value) { if (empty($value)) { unset($playerlist[$key]); } } if  my reasoning is that i read a full text file into an array and then extract various elements of it into certain variables. once everything is extracted, the php script has many other things to do. however, there is no point in using up cpu memory during this latter phase, hence i want to empty the variable.

php empty array

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empty(). from php manual empty(): empty — determine whether a variable is empty. in other words, it will return true if the variable is an empty string, false, array(), null, “?, , and an unset variable. there are a few ways to check if an array is empty. the most common i've seen in my experience is > if ( == count($array)) i, however like using a more simple approach like this: > if (!$array) there are other ways to find if an array is empty, l

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mai if the intent of your condition is to check that the array contains elements, using count($array) === is the best and most readable solution. when you declare an empty array from the start, and then fill the array with data later on in the program, you prevent multiple errors from occurring because of a faulty array. it is useful to know that the information you are using is bugged, rather than to have the array itself be bugged. it saves you some time 

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the array functions allow you to access and manipulate arrays. the key null will actually be stored in array(key=>value) array_keys (php , php , php ) array value is not found in the array, an empty array an array where they are actually the key and value. to check whether this array is empty, arrays. nd is the required  i want to do the equivelant of any of the following in php: perl array; java int [] array = new int[]; c int array[]; how

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s virendrachandak/techtalk/phpissetvsemptyvsis_null/ · zomeoff/phpfastwaytodetermineakeyelementsexistanceinanarray checking a value directly. $people = array( 'one' => 'eric', true 'two' => '', false 'three' => null, false 'four' => , false 'five' => '', false 'six' => ' ', true 

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