The recommended function (a construct, really, but works as a function) would be array("value", "value"), which is much more backwards compatible. However the short syntax of ["value", "value"] is also available and frequently used, as it has been for some time.
The array_map function in PHP loops over each elements of the passed array(s), and runs the given function. It then returns a new array that contains the values returned by each call to the given function.
There are a number of different ways to loop using PHP. They're as follows:ForForeachWhileDo-whileBelow are some examples of how each of these types of loop work.ForForeachWhileDo-while
Well it got nothing to do with PHP, you going to need JavaScript to do that :)
the dollar sign appears before a variable/array. Essentially it just tells php that its a variable. $food = "cheese pizza"; or $myfavoritenumber = 2 ;
In the declaration of the receiving function, you add an ampersand. <?php function myWayCoolFunction( &$params) {.....} $x = array('1','2','3'); myWayCoolFunction($x) ?>
$foo = array(1.41421356, 1.61803399, 2.71828183, 3.14159265);
To empty an array in PHP you need to use the unset function like shown below: <?php $array = array('hello', 'hi', 'weee'); unset($array); // empty ?>
To find the size of an array in PHP you can either use the count() function or the sizeof() function as they will produce the same result. <?php $array = array(1, 2, 3, 4, 5, 6, 7); echo count($array); // outputs 7 echo sizeof($array); // outputs 7 ?>
To shuffle an array in PHP is easy to do, all you need to use is the shuffle() function like shown below: <?php $array = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); shuffle($array); // array results will be randomly shuffled ?>
To pick random results from an array in PHP you will need to use the array_rand() function, you can select the amount of results you wish it too select too. <?php $array = array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); $rand_results = array_rand($array, 3); // will select 3 random results from the array and store in a new array ?>
To reverse the results in a PHP array is really simple, all you need to do is use the array_reverse() function like shown below: <?php $my_array = array(1, 2, 3); $reverse_me = array_reverse($my_array); // will be stored as 3, 2, 1 now ?>
To separate a sentence into an array of words, you can use PHP's explode() function. If $text is your sentence, then use the following: $result = explode(" ", $text);
The array_map function in PHP loops over each elements of the passed array(s), and runs the given function. It then returns a new array that contains the values returned by each call to the given function.
build an array of vowels then do a foreach on the array and then explode the string on the array value and the answer is -1 of the result
To check if a value is already in an array you will need to use the in_array function like shown below! <?php $values = array("pizza","hello","cheese","fred"); $newvalue = "hello"; if (in_array($newvalue, $values)) { echo "$newvalue is already in the array!"; } ?>
Using the function "count". <?php $foo = array("John", "Jacob", "Jingleheimer", "Schmidt"); echo count($foo); // <-- outputs the number 4 ?>
how to create report in php