[PHP] Sample to automatically generate select option tags from the latest year back to the past 100 years

2022-02-24

A sample program to output a select box from the latest year back to 100 years ago with PHP, and

We'll introduce patterns such as setting a specific year as the initial value.

The JavaScript version is introduced in the article below.

【JS】Sample to generate select option tags from this year back to 100 years ago

Simply the past 100 years

<select>
<?php
$dateY = (int) date('Y');
$past = 100; //年前まで
for($i = 0; $i < $past; ++$i):
$year = $dateY - $i; ?>
	<option value="<?= $year; ?>"><?= $year; ?></option>
<?php endfor; ?>
</select>

Past 100 years, initial value set to 22 years ago

How about this for recruitment sites, etc.?

If your target audience is somewhat defined, let's make such considerations!

<select>
<?php
$dateY = (int) date('Y');
$past = 100; //年前まで
$select = 22; //年前を初期値に
for($i = 0; $i < $past; ++$i):
$year = $dateY - $i;

$prop = '';
if($i == $select){
	$prop = ' selected';
}
?>
	<option value="<?= $year; ?>"<?= $prop; ?>><?= $year; ?></option>
<?php endfor; ?>
</select>

100 years from 3 years in the future

How about this for university graduation (expected) year on recruitment sites, etc.?

<select>
<?php
$dateY = (int) date('Y');
$start = 2; //年後から
$past = 100; //年前まで
$dateY += $start;
for($i = 0; $i < $past; ++$i):
$year = $dateY - $i; ?>
	<option value="<?= $year; ?>"><?= $year; ?></option>
<?php endfor; ?>
</select>