bambslaundry-new/websocket_print/vendor/mike42/escpos-php/example/barcode.php

<?php
require __DIR__ . '/../vendor/autoload.php';
use Mike42\Escpos\Printer;
use Mike42\Escpos\PrintConnectors\FilePrintConnector;

$connector = new FilePrintConnector("php://stdout");
$printer = new Printer($connector);

/* Height and width */
$printer->selectPrintMode(Printer::MODE_DOUBLE_HEIGHT | Printer::MODE_DOUBLE_WIDTH);
$printer->text("Height and bar width\n");
$printer->selectPrintMode();
$heights = array(1, 2, 4, 8, 16, 32);
$widths = array(1, 2, 3, 4, 5, 6, 7, 8);
$printer -> text("Default look\n");
$printer->barcode("ABC", Printer::BARCODE_CODE39);

foreach($heights as $height) {
    $printer -> text("\nHeight $height\n");
    $printer->setBarcodeHeight($height);
    $printer->barcode("ABC", Printer::BARCODE_CODE39);
}
foreach($widths as $width) {
    $printer -> text("\nWidth $width\n");
    $printer->setBarcodeWidth($width);
    $printer->barcode("ABC", Printer::BARCODE_CODE39);
}
$printer->feed();
// Set to something sensible for the rest of the examples
$printer->setBarcodeHeight(40);
$printer->setBarcodeWidth(2);

/* Text position */
$printer->selectPrintMode(Printer::MODE_DOUBLE_HEIGHT | Printer::MODE_DOUBLE_WIDTH);
$printer->text("Text position\n");
$printer->selectPrintMode();
$hri = array (
    Printer::BARCODE_TEXT_NONE => "No text",
    Printer::BARCODE_TEXT_ABOVE => "Above",
    Printer::BARCODE_TEXT_BELOW => "Below",
    Printer::BARCODE_TEXT_ABOVE | Printer::BARCODE_TEXT_BELOW => "Both"
);
foreach ($hri as $position => $caption) {
    $printer->text($caption . "\n");
    $printer->setBarcodeTextPosition($position);
    $printer->barcode("012345678901", Printer::BARCODE_JAN13);
    $printer->feed();
}

/* Barcode types */
$standards = array (
        Printer::BARCODE_UPCA => array (
                "title" => "UPC-A",
                "caption" => "Fixed-length numeric product barcodes.",
                "example" => array (
                        array (
                                "caption" => "12 char numeric including (wrong) check digit.",
                                "content" => "012345678901"
                        ),
                        array (
                                "caption" => "Send 11 chars to add check digit automatically.",
                                "content" => "01234567890"
                        )
                )
        ),
        Printer::BARCODE_UPCE => array (
                "title" => "UPC-E",
                "caption" => "Fixed-length numeric compact product barcodes.",
                "example" => array (
                        array (
                                "caption" => "6 char numeric - auto check digit & NSC",
                                "content" => "123456"
                        ),
                        array (
                                "caption" => "7 char numeric - auto check digit",
                                "content" => "0123456"
                        ),
                        array (
                                "caption" => "8 char numeric",
                                "content" => "01234567"
                        ),
                        array (
                                "caption" => "11 char numeric - auto check digit",
                                "content" => "01234567890"
                        ),
                        array (
                                "caption" => "12 char numeric including (wrong) check digit",
                                "content" => "012345678901"
                        )
                )
        ),
        Printer::BARCODE_JAN13 => array (
                "title" => "JAN13/EAN13",
                "caption" => "Fixed-length numeric barcodes.",
                "example" => array (
                        array (
                                "caption" => "12 char numeric - auto check digit",
                                "content" => "012345678901"
                        ),
                        array (
                                "caption" => "13 char numeric including (wrong) check digit",
                                "content" => "0123456789012"
                        )
                )
        ),
        Printer::BARCODE_JAN8 => array (
                "title" => "JAN8/EAN8",
                "caption" => "Fixed-length numeric barcodes.",
                "example" => array (
                        array (
                                "caption" => "7 char numeric - auto check digit",
                                "content" => "0123456"
                        ),
                        array (
                                "caption" => "8 char numeric including (wrong) check digit",
                                "content" => "01234567"
                        )
                )
        ),
        Printer::BARCODE_CODE39 => array (
                "title" => "Code39",
                "caption" => "Variable length alphanumeric w/ some special chars.",
                "example" => array (
                        array (
                                "caption" => "Text, numbers, spaces",
                                "content" => "ABC 012"
                        ),
                        array (
                                "caption" => "Special characters",
                                "content" => "$%+-./"
                        ),
                        array (
                                "caption" => "Extra char (*) Used as start/stop",
                                "content" => "*TEXT*"
                        )
                )
        ),
        Printer::BARCODE_ITF => array (
                "title" => "ITF",
                "caption" => "Variable length numeric w/even number of digits,\nas they are encoded in pairs.",
                "example" => array (
                        array (
                                "caption" => "Numeric- even number of digits",
                                "content" => "0123456789"
                        )
                )
        ),
        Printer::BARCODE_CODABAR => array (
                "title" => "Codabar",
                "caption" => "Varaible length numeric with some allowable\nextra characters. ABCD/abcd must be used as\nstart/stop characters (one at the start, one\nat the end) to distinguish between barcode\napplications.",
                "example" => array (
                        array (
                                "caption" => "Numeric w/ A A start/stop. ",
                                "content" => "A012345A"
                        ),
                        array (
                                "caption" => "Extra allowable characters",
                                "content" => "A012$+-./:A"
                        )
                )
        ),
        Printer::BARCODE_CODE93 => array (
                "title" => "Code93",
                "caption" => "Variable length- any ASCII is available",
                "example" => array (
                        array (
                                "caption" => "Text",
                                "content" => "012abcd"
                        )
                )
        ),
        Printer::BARCODE_CODE128 => array (
                "title" => "Code128",
                "caption" => "Variable length- any ASCII is available",
                "example" => array (
                        array (
                                "caption" => "Code set A uppercase & symbols",
                                "content" => "{A" . "012ABCD"
                        ),
                        array (
                                "caption" => "Code set B general text",
                                "content" => "{B" . "012ABCDabcd"
                        ),
                        array (
                                "caption" => "Code set C compact numbers\n Sending chr(21) chr(32) chr(43)",
                                "content" => "{C" . chr(21) . chr(32) . chr(43)
                        )
                )
        )
);
$printer->setBarcodeTextPosition(Printer::BARCODE_TEXT_BELOW);
foreach ($standards as $type => $standard) {
    $printer->selectPrintMode(Printer::MODE_DOUBLE_HEIGHT | Printer::MODE_DOUBLE_WIDTH);
    $printer->text($standard ["title"] . "\n");
    $printer->selectPrintMode();
    $printer->text($standard ["caption"] . "\n\n");
    foreach ($standard ["example"] as $id => $barcode) {
        $printer->setEmphasis(true);
        $printer->text($barcode ["caption"] . "\n");
        $printer->setEmphasis(false);
        $printer->text("Content: " . $barcode ["content"] . "\n");
        $printer->barcode($barcode ["content"], $type);
        $printer->feed();
    }
}
$printer->cut();
$printer->close();