Online PHP editor | rfc for e9863

@ 2018-03-05T17:44:42Z

<?php

# The events array.
$events = [
  [
      "title" => "Title 1",
      "start_time" => "09:00",
      "end_time" => "17:00",
      "start_date" => "2017-05-25"
  ], [
      "title" => "Title 2",
      "start_time" => "09:00",
      "end_time" => "17:00",
      "start_date" => "2018-05-25"
  ], [
      "title" => "Title 3",
      "start_time" => "09:00",
      "end_time" => "17:00",
      "start_date" => "2018-05-27"
  ], [
      "title" => "Title 3",
      "start_time" => "09:00",
      "end_time" => "17:00",
      "start_date" => "2018-07-15"
  ], [
      "title" => "Title 4",
      "start_time" => "09:00",
      "end_time" => "17:00",
      "start_date" => "2019-01-02"
  ]
];

# Create an array to store the data.
$grouped = [];

# Iterate over every event.
foreach ($events as $event) {
    # Format and save the date as 'Month Year'.
	$monthYear = date("F Y", strtotime($event["start_date"]));
	
    # Define the key of the object as as an array, if not already defined.
	$grouped[$monthYear] = $grouped[$monthYear] ?? [];
	
    # Insert the title to the array corresponding to the formatted date.
	$grouped[$monthYear][] = $event["title"];
}

# Iterate over every key - value.
foreach ($grouped as $key => $value) {
    # Print the 'Month Year' key.
	echo $key . "\n";

    # Iterate over every title and print it.
	foreach ($value as $title) echo "- $title\n";

    # Separate each group with an empty line.
	echo "\n";
}

Output for git.master, git.master_jit, rfc.property-hooks: May 2017 - Title 1 May 2018 - Title 2 - Title 3 July 2018 - Title 3 January 2019 - Title 4

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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