Create and Access an Array
Creates an indexed array and an associative array, then reads values with explicit existence checks.
Open SnippetSnippet Library
Practical pure PHP patterns that are easy to study, adapt and use.
Get Array Length with count()
Counts array elements with count() and returns both the count and an empty-state flag.
Open SnippetAdd Element to an Array
Adds a trimmed scalar value to an array only when the value is not empty.
Open SnippetRemove Element from an Array
Removes all exact strict matches from an array and reindexes the result.
Open SnippetCheck if Key Exists in an Array
Checks an associative array for a key with array_key_exists() and returns the value only when present.
Open SnippetCheck if Value Exists in an Array
Checks whether a value exists in an array using strict in_array() comparison.
Open SnippetMerge Two Arrays
Merges two arrays and returns the combined values with duplicate scalar values removed.
Open SnippetSort an Array
Sorts indexed scalar values in ascending natural case-insensitive order.
Open SnippetSort an Associative Array by Value
Sorts an associative array by value while preserving keys.
Open SnippetSort an Associative Array by Key
Sorts an associative array by key while preserving the values assigned to each key.
Open SnippetGet Difference Between Two Arrays
Returns values from the first array that do not appear in the second array, using strict scalar comparison.
Open SnippetGet Intersection of Two Arrays
Returns scalar values that exist in both arrays using strict comparison.
Open Snippet