PHP Classes

File: src/compat/compat_php81x.php

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File: src/compat/compat_php81x.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP Backwards Compatibility Library
Functions of newer PHP versions for older versions
Author: By
Last change: Updated to 1.1.3
Date: 3 days ago
Size: 3,384 bytes
 

Contents

Class file image Download
<?php
/**
 * __ _ ___ ___ ___ ___ ___ ____ _ __ ___ ___
 * / _` |/ / / __/ _ \ / _ \ / / / __/| '_ ` _ \ / /
 * | (_| |\ \| (_| (_) | (_) |\ \ | (__ | | | | | |\ \
 * \__,_|/__/ \___\___/ \___/ /__/ \___\|_| |_| |_|/__/
 *
 *
 *************************************************************************************
 * @ASCOOS-NAME : ASCOOS CMS 24' *
 * @ASCOOS-VERSION : 24.0.0 *
 * @ASCOOS-CATEGORY : Kernel (Frontend and Administration Side) *
 * @ASCOOS-CREATOR : Drogidis Christos *
 * @ASCOOS-SITE : www.ascoos.com *
 * @ASCOOS-LICENSE : [Commercial] http://docs.ascoos.com/lics/ascoos/AGL-F.html *
 * @ASCOOS-COPYRIGHT : Copyright (c) 2007 - 2023, AlexSoft Software. *
 *************************************************************************************
 *
 * @package : ASCOOS CMS - phpBCL
 * @subpackage : Core Compatibilities Manager for PHP < 8.0.0
 * @source : /phpBCL/src/compat/compat_php81x.php
 * @version : 1.1.3
 * @created : 2021-12-07 07:00:00 UTC+3
 * @updated : 2024-10-22 07:00:00 UTC+3
 * @author : Drogidis Christos
 * @authorSite : www.alexsoft.gr
 */


/**
 * If the function [ array_is_list ] does not exist then we create it.
 * ++ 8.1.0 ---- https://www.php.net/manual/en/function.array-is-list.php
 */
if (!function_exists('array_is_list'))
{
 
/**
   * Checks whether a given array is a list
   *
   * DESCRIPT : Determines if the given array is a list.
   * An array is considered a list if its keys consist of consecutive numbers from 0 to count($array)-1.
   *
   * @link https://www.php.net/manual/function.array-is-list.php
   *
   * @param array $array: The array being evaluated.
   * @return bool Returns true if array is a list, false otherwise.
   */
 
function array_is_list($array)
  {
   
$errors = array(
     
'array_is_list(): expects parameter 1 to be array, '.gettype($array).' given',
     
'array_is_list(): The array does not start at 0',
     
'array_is_list(): Non-integer keys',
     
'array_is_list(): Non-consecutive keys'
   
);

   
/******************
     * Check for Errors
     *****************/
    // If it is not an array, it returns a string with the error and the value False.
    
if (!is_array($array)) {
     
trigger_error($errors[0], E_USER_WARNING);
      return
false;
    }

   
// If the array is empty, return True
   
if ($array === []) return true;

   
// If the first key is greater than 0, it returns a string with the error and the value False.
   
if (array_key_first($array) !== 0) {
     
trigger_error($errors[1], E_USER_WARNING);
      return
false;
    }

   
$i = 0;
    foreach (
$array as $k => $v) {
     
// Non-integer keys
     
if (!is_int($k)) {
       
trigger_error($errors[2], E_USER_WARNING);
        return
false;
      }

     
// Non-consecutive keys
     
if ($k !== $i++) {
       
trigger_error($errors[3], E_USER_WARNING);
        return
false;
      }
    }
    return
true;
  }
}
?>