PHP Snippets
get_world_pop
Information
(PHP Version >= 3.0.12)Functions used in this snippet: date, strtotime, time, number_format.
Description
str get_world_pop( [int seconds[, bool english]] )
calling get_world_pop with no arguements will return a formatted string of the estimated current world population at that second. If you supply the seconds parameter it will supply the world population for the date as long as it is between the years of 2005 and 2048. If the english value is set to false the formatted string will have periods instead of commas seperating thousands and hundreds etc.
Snippet
<?php
function get_world_pop($seconds=NULL,$english=true){
$pops = array(
"2005" => array( "start" => 6451058790, "added" => 74427813),
"2006" => array( "start" => 6525486603, "added" => 74629207),
"2007" => array( "start" => 6600115810, "added" => 74940532),
"2008" => array( "start" => 6675056342, "added" => 75228043),
"2009" => array( "start" => 6750284385, "added" => 75466071),
"2010" => array( "start" => 6825750456, "added" => 75688866),
"2011" => array( "start" => 6901439322, "added" => 75802963),
"2012" => array( "start" => 6977242285, "added" => 75615963),
"2013" => array( "start" => 7052858248, "added" => 75167390),
"2014" => array( "start" => 7128025638, "added" => 74490498),
"2015" => array( "start" => 7202516136, "added" => 73766792),
"2016" => array( "start" => 7276282928, "added" => 73055605),
"2017" => array( "start" => 7349338533, "added" => 72230253),
"2018" => array( "start" => 7421568786, "added" => 71289623),
"2019" => array( "start" => 7492858409, "added" => 70235773),
"2020" => array( "start" => 7563094182, "added" => 69180831),
"2021" => array( "start" => 7632275013, "added" => 68144353),
"2022" => array( "start" => 7700419366, "added" => 67028250),
"2023" => array( "start" => 7767447616, "added" => 65862519),
"2024" => array( "start" => 7833310135, "added" => 64679285),
"2025" => array( "start" => 7897989420, "added" => 63596858),
"2026" => array( "start" => 7961586278, "added" => 62635490),
"2027" => array( "start" => 8024221768, "added" => 61689308),
"2028" => array( "start" => 8085911076, "added" => 60746079),
"2029" => array( "start" => 8146657155, "added" => 59800227),
"2030" => array( "start" => 8206457382, "added" => 58925303),
"2031" => array( "start" => 8265382685, "added" => 58132001),
"2032" => array( "start" => 8323514686, "added" => 57333600),
"2033" => array( "start" => 8380848286, "added" => 56512857),
"2034" => array( "start" => 8437361143, "added" => 55666984),
"2035" => array( "start" => 8493028127, "added" => 54846652),
"2036" => array( "start" => 8547874779, "added" => 54058633),
"2037" => array( "start" => 8601933412, "added" => 53249683),
"2038" => array( "start" => 8655183095, "added" => 52414904),
"2039" => array( "start" => 8707597999, "added" => 51542658),
"2040" => array( "start" => 8759140657, "added" => 50686755),
"2041" => array( "start" => 8809827412, "added" => 49847392),
"2042" => array( "start" => 8859674804, "added" => 48957732),
"2043" => array( "start" => 8908632536, "added" => 48019825),
"2044" => array( "start" => 8956652361, "added" => 47040969),
"2045" => array( "start" => 9003693330, "added" => 46074635),
"2046" => array( "start" => 9049767965, "added" => 45123225),
"2047" => array( "start" => 9094891190, "added" => 44148176),
"2048" => array( "start" => 9139039366, "added" => 43161841));
$yearly = 31535999; // seconds in a year usually
if($seconds !== NULL){
$year = date('Y',$seconds);
$thisyear = $seconds - strtotime('jan 1 ' . $year . ' 00:00');
}else{
$year = date('Y');
$thisyear = time() - strtotime('jan 1 ' . $year . ' 00:00');
}
$sep = $english ? ',' : '.';
return number_format(($pops[$year]['start'] + (($thisyear / $yearly) * $pops[$year]['added'])),0,'.',$sep);
}
?>
Example
get_world_pop Can be used in the following way:
<?php
echo get_world_pop();
// returns the current world population formatted like 6,578,968,451
echo get_world_pop(strtotime('July 6 2010'));
// returns the world estimated world populating on july 6 2010
echo get_world_pop(NULL,false);
// returns the current world population formatted like 6.578.968.451
?>
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