<?php
$employee_num = "1"; $employee_num = str_pad($employee_num, 5, "0", STR_PAD_LEFT); echo$employee_num."<br>"; //결과는 "00001"
$employee_num = "1"; $employee_num = str_pad($employee_num, 5, "0", STR_PAD_RIGHT); echo$employee_num."<br>"; //결과는 "10000"
$employee_num = "1"; $employee_num = str_pad($employee_num, 5, "0", STR_PAD_BOTH); echo$employee_num."<br>"; //결과는 "00100"
$employee_num = "1"; $employee_num = str_pad($employee_num, 5); echo$employee_num."<br>"; //결과는 "1 "
?>
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