Merge e5303d7ea0 into 8557d4f3d8

adding the at() method

languages/javascript.js

@@ -72,6 +72,7 @@ array.splice(start, deleteCount, item1, item2, ...)  // Adds and/or removes elem
 arr.unshift([element1[, ...[, elementN]]])           // Adds one or more elements to the front of an array and returns the new length of the array.
 
 // Instance: accessor methods
+arr.at(index)                                        // Returns the element at the specified index in the array.
 arr.concat(value1[, value2[, ...[, valueN]]])        // Returns a new array comprised of this array joined with other array(s) and/or value(s).
 arr.includes(searchElement, fromIndex)               // Determines whether an array contains a certain element, returning true or false as appropriate.
 arr.indexOf(searchElement[, fromIndex])              // Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.

languages/php.php

@@ -602,3 +602,8 @@ echo $host; // domain-name.com
 $text = "A regular expression (shortened as regex) is a sequence of characters that define a search pattern. Usually such patterns are used by string-searching algorithms for 'find' or 'find and replace' operations on strings, or for input validation.";
 $text = preg_replace("/\b(regex)\b/i", 'replaced content', $text);
 echo $text; /*A regular expression (shortened as replaced content) is a sequence of characters that define a search pattern. Usually such patterns are used by string-searching algorithms for 'find' or 'find and replace' operations on strings, or for input validation.*/
+
+//  spread operator > PHP 7.4
+$array1 = [1, 2, 3];
+$array2 = [4, 5, 6];
+$merge_array = [0, ...$array1, ...$array2]; // [0, 1, 2, 3, 4, 5, 6]