89 lines
2.2 KiB
PHP
89 lines
2.2 KiB
PHP
<?php
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define("MAX_CHAR", 32);
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define("MAX_STR", 32);
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define("ESC", "\x1b");
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define("GS", "\x1d");
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define("LF", "\x0a");
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define("PORT", "/dev/usb/lp0");
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function rawlen($data) {
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if (strlen($data)<255 and strlen($data)<MAX_CHAR) {
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return hex2bin(dechex(strlen($data)));
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} else {
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return false;
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}
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}
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function initprint() {
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return file_put_contents(PORT, ESC . "@");
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}
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function println($data) {
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if (strlen($data)<MAX_CHAR) {
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return file_put_contents(PORT, $data . LF);
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} else {
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return false;
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}
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}
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function printcode39($data) {
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if (rawlen($data) and rawlen($data)<8) {
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$lp=fopen(PORT, 'w');
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fwrite($lp, "\x1dh\x50");
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fwrite($lp, "\x1dH\x02");
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fwrite($lp, "\x1df\x01");
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fwrite($lp, "\x1dk\x45");
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fwrite($lp, rawlen($data));
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fwrite($lp, $data);
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fwrite($lp, "\x0a");
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fclose($lp);
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return true;
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} else {
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return false;
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}
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}
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function printcode128($data) {
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if (rawlen($data)) {
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$lp=fopen(PORT, 'w');
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fwrite($lp, "\x1dh\x50");
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fwrite($lp, "\x1dH\x02");
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fwrite($lp, "\x1df\x01");
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fwrite($lp, "\x1dk\x49");
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fwrite($lp, rawlen($data));
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fwrite($lp, $data);
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fwrite($lp, "\x0a");
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fclose($lp);
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return true;
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} else {
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return false;
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}
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}
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function printean13($data) {
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if (rawlen($data) and (rawlen($data) == 12 or rawlen($data) == 13)) {
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$lp=fopen(PORT, 'w');
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fwrite($lp, "\x1dh\x50");
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fwrite($lp, "\x1dH\x02");
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fwrite($lp, "\x1df\x01");
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fwrite($lp, "\x1dk\x43");
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fwrite($lp, rawlen($data));
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fwrite($lp, $data);
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fwrite($lp, "\x0a");
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fclose($lp);
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return true;
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} else {
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return false;
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}
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}
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function printean8($data) {
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if (rawlen($data) and (rawlen($data) == 7 or rawlen($data) == 8)) {
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$lp=fopen(PORT, 'w');
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fwrite($lp, "\x1dh\x50");
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fwrite($lp, "\x1dH\x02");
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fwrite($lp, "\x1df\x01");
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fwrite($lp, "\x1dk\x44");
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fwrite($lp, rawlen($data));
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fwrite($lp, $data);
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fwrite($lp, "\x0a");
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fclose($lp);
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return true;
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} else {
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return false;
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}
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}
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?>
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