PHP: TCPDF で日本語を取り扱う

Ubuntu 21.04 で確認した方法です。

必要なライブラリーのインストール

sudo apt install php-tcpdf

pdf_create.php

#! /usr/bin/php
<?php
// ----------------------------------------------------------------
//
//  pdf_create.php
//
//
//                      Jun/09/2021
//
// ----------------------------------------------------------------
require_once ('/usr/share/php/tcpdf/tcpdf.php');

// ----------------------------------------------------------------
function dict_append_proc ($dict_aa,$id,$name,$population,$date_mod)
{
    $dict_unit = array ();
    $dict_unit['name'] = $name;
    $dict_unit['population'] = $population;
    $dict_unit['date_mod'] = $date_mod;
    $dict_aa[(string)$id]= $dict_unit;

    return  $dict_aa;
}

// ----------------------------------------------------------------
function dict_to_pdf_proc ($pdf_file,$dict_aa)
{
    $pdf=new TCPDF();
    $pdf->setPrintHeader( false );
    $pdf->AddPage();
    $font_path = '/usr/share/fonts/opentype/ipafont-mincho/ipamp.ttf';

    if (file_exists($font_path)) {
        $font = new TCPDF_FONTS();
        $fontX = $font->addTTFfont($font_path);
        $pdf->SetFont($fontX , '', 10,'',true);
        }

    $width = 40;
    $height = 10;

    foreach ($dict_aa as $key => $value)
        {
        $name = $value['name'];
        $population = $value['population'];
        $date_mod = $value['date_mod'];

        print "$key\t";
        print "$name\t";
        print "$population\t";
        print "$date_mod\n";

        $pdf->Cell($width,$height,$key,0,0);
        $pdf->Cell($width,$height,$name,0,0);
        $pdf->Cell($width,$height,$population,0,0);
        $pdf->Cell($width,$height,$date_mod,0,1);
        }

    $pdf->Output($pdf_file,'F');
}

// ----------------------------------------------------------------
fputs (STDERR,"*** 開始 ***\n");

$dict_aa = array ();

$dict_aa = dict_append_proc ($dict_aa,'t2381','名古屋',72534,'2002-5-14');
$dict_aa = dict_append_proc ($dict_aa,'t2382','豊橋',63473,'2002-8-12');
$dict_aa = dict_append_proc ($dict_aa,'t2383','岡崎',57982,'2002-9-01');
$dict_aa = dict_append_proc ($dict_aa,'t2384','一宮',46329,'2002-10-29');
$dict_aa = dict_append_proc ($dict_aa,'t2385','蒲郡',31765,'2002-7-14');
$dict_aa = dict_append_proc ($dict_aa,'t2386','常滑',29184,'2002-6-12');
$dict_aa = dict_append_proc ($dict_aa,'t2387','大府',82197,'2002-4-17');
$dict_aa = dict_append_proc ($dict_aa,'t2388','瀬戸',91578,'2002-3-24');
$dict_aa = dict_append_proc ($dict_aa,'t2389','犬山',79461,'2002-7-8');


$pdf_file = $argv[1];
dict_to_pdf_proc ($pdf_file,$dict_aa);

fputs (STDERR,"*** 終了 ***\n");
// ----------------------------------------------------------------
?>

実行コマンド

./pdf_create.php /tmp/cities.pdf

作成された　PDFファイル