Creating Arrays Use array(); Arrays in PHP can contain a mix of values if you wish (e.g. strings, integers, null, arrays). Create an empty array Create an array of values Get array value (Gets the array value if it exists, otherwise to an empty string/int) Calling a function with an array of values Key & […]
Category: Array
Array issues
json stored within json fields When you decode remember that you will need to decode the nested json field as a separate decode operation, you won’t get a single array which automatically nests the sub json.
Array Of SQL Results
Creating An Array Of All Results $all_results = array(); //Empty array to hold returned rows while ($row = @mysql_fetch_array($search_query)) { $all_results[] = $row; }
Comma Separated Strings
Convert comma separated string to array and test for entries Ensure no trailing comma that will produce a blank final array entry Examples Convert array into comma separated string
Converting Arrays
Converting an array to individual variables Argument lists may include the … token to denote that the function accepts a variable number of arguments. The arguments will be passed into the given variable as an array; for example: You can use “…” with an array when calling functions to unpack the array or Traversable variable […]
Create Array From
Create An Array From A String With A Delimiter Character Create array of individual digits from a number
Debugging Arrays
Echo the contents of an array If you want to return it, not echo it
For each
Foreach result Getting Key and Value Working through a json array
Key => Value Arrays
Key & Value Arrays or create like this Accessing array keys and values Remove Array Value
Manipulating Arrays
Remove array entry Inserting New Entry into array Insert at index 0 The rest of the array entries move down if there is already a [0] entry Sort Array https://www.w3schools.com/php/php_arrays_sort.asp Sort by array key ksort() sorts an associative array in ascending order, according to the key