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@ 2013-11-21T06:22:01Z

<?php
function getPatientCodeDisplay($id='') {
        $retstr = "";
        if(intval($id)>0) {
            $max_id_length = 6;
            $id_length = strlen($id);
            if($id_length <= $max_id_length) {
                $prefix_code = "AH_D_D";
                $final_len = $max_id_length+strlen($prefix_code)-$id_length;
                $retstr = str_pad($prefix_code, $final_len, "0", STR_PAD_RIGHT);
                $retstr .= $id;
            }
        }

        return $retstr;
    }

echo getPatientCodeDisplay(1)." >> ";
echo getPatientCodeDisplay(12)." >> ";
echo getPatientCodeDisplay(123)." >> ";
echo getPatientCodeDisplay(1234)." >> ";
echo getPatientCodeDisplay(12345)." >> ";
echo getPatientCodeDisplay(123456)." >> ";
echo getPatientCodeDisplay(1234567)." >> ";

Output for git.master_jit, git.master, rfc.property-hooks: AH_D_D000001 >> AH_D_D000012 >> AH_D_D000123 >> AH_D_D001234 >> AH_D_D012345 >> AH_D_D123456 >> >>

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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