Online PHP editor | rfc for 9UNY6

@ 2019-03-04T08:27:08Z

<?php

/**
 * An array in DESCENDING order (OP)
 */
$array = [
    61029,
    64698,
    67355,
    70000, // has bubble
    43651,
    48346,
    52029,  // has bubble 
    48029,
    48698,
    49355,
    50000,
];

/**
 * An array in ASCENDING order
 */
$asc_array = [
    10,
    20,
    30,
    40,
    50,
    45, //Has bubble
    55
];

/**
 * Given an array, identify a "bubble", aka. an increasing value in an otherwise decreasing value array.
 * Returns the $key where the bubble resides.
 */ 
function identifyBubble($array){
    foreach($array as $id => $item){
        if(!$id){
            continue;
        }
        if(!$array[$id+1]){
            continue;
        }
        if(($array[$id-1] < $array[$id]) && ($array[$id] > $array[$id+1])){
            return $id;
        }
    }
    return false;
}

/**
 * If an array is in ASCENDING order, switch it around,
 * otherwise return the array as is.
 */
function makeArrayDescending($array){
    if(reset($array) < end($array)){
        return array_values(array_reverse($array));
    }
    return $array;
}

var_dump(identifyBubble($array));

var_dump(makeArrayDescending($asc_array));

var_dump(identifyBubble(makeArrayDescending($asc_array)));

Output for git.master, git.master_jit, rfc.property-hooks: int(3) array(7) { [0]=> int(55) [1]=> int(45) [2]=> int(50) [3]=> int(40) [4]=> int(30) [5]=> int(20) [6]=> int(10) } int(2)

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview