Print HTML table to dot matrix printer - php

I have a php website which generate invoice in the form of html tables, I need to print these html tables to dot-matrix printer. I have tried to print webpage directly with browser print option, but it seems the printer treat it as image because it prints characters dot-by-dot instead of complete characters in a single pass like it would an ascii text file, which result in blurred characters.
Is there any way to make the printer treat it as text file? Or is there any way to convert html page to text file without losing the position styling(spacing, margins, etc)?
Or maybe there's an alternative approach I could use?
One thing to note is I can't use text-based browser to do this as it will be used by clients.
The invoice is a html table with small logo at the top-left, title, and description as thead, and simple table cell with borders as tbody.
I use Epson LX300+II printer.

<?php
// Download printer driver for dot matrix printer ex. 1979 Dot Matrix Regular or Consola
?>
<html>
<head>
<title>PHP to Dot Matrix Printer</title>
<style>
#font-face { font-family: kitfont; src: url('1979 Dot Matrix Regular.TTF'); }
.customFont { /* <div class="customFont" /> */
font-style: kitfont;
font-size:10;
}
#mainDiv {
height: 324px; /* height of receipt 4.5 inches*/
width: 618px; /* weight of receipt 8.6 inches*/
position:relative; /* positioned relative to its normal position */
}
#cqm { /* <img id="cqm" /> */
top: 10px; /* top is distance from top (x axis)*/
left: 105px; /* left is distance from left (y axis)*/
position:absolute; /* position absolute based on "top" and "left" parameters x and y */
}
#or_mto {
position: absolute;
left: 0px;
top: 0px;
z-index: -1; /*image */
}
#arpno {
top: 80px;
left: 10px;
position:absolute;
}
#payee {
top: 80px;
left: 200px;
position:absolute;
}
#credit {
top: 80px;
right: 30px; /* distance from right */
position:absolute;
}
#paydate {
top: 57px;
right: 120px;
position:absolute;
}
</style>
</head>
<body>
<?php
//sample data
$arpno = 1234567;
$payee = "Juan dela Cruz";
$credit = 10000;
$paydate = "Dec. 6, 2015" ;
?>
<div id="mainDiv"> <!-- invisible space -->
<div id="cqm" class="customFont">ABC TRADING</div>
<div id="arpno" class="customFont"><?php echo $arpno; ?></div>
<div id="payee" class="customFont"><?php echo $payee; ?></div>
<div id="credit" class="customFont"><?php echo $credit; ?></div>
<div id="paydate" class="customFont"><?php echo $paydate; ?></div>
<img id="or_mto" src="or_mto.jpg" /> <!---- sample for logo ---->
</div>
</body>
</html>

For anyone looking to print directly from browser to printer, and assuming you need to print text only, I found the answer in this post how-to-print-page-in-plain-text-format-for-matrix-dot-printer
Github for the application is here.
A simple tutorial can be found here.
Basically you install QZ Tray in your client machine and you add the script provided by them in your html.
Works OK in Windows 10 with a OKI 320 Turbo Dot Matrix Printer, but you have to change the driver for the printer to Generic / Text Only.
Then in javascript you just do something like this:
try {
await qz.websocket.connect();
console.log("connected")
const printer = await qz.printers.find("OKI");
console.log(`Printer ${printer} found !`);
const config = qz.configs.create(printer);
const data = [
'Some Data \n',
'More Data and More Data \n'
]
qz.print(config, data);
} catch(e) { console.log(e) }
Works like a charm!

We used to do this using a Java Applet that could write to the LPT port after due permissions on the browser and Java security.
However support for this has been phased out by all browsers. We are running it right now by using older versions of the browsers.
One way we are exploring is the possibility of a java service running on a port on the local PC and calling this service from the browser window.

an option to solve this problem is to download the TCPDF library https://tcpdf.org/docs/srcdoc/ and pass the reports to pdf but you have to download some dotmatrix type font and using the link http://www.xml-convert.com/en/convert-tff-font-to-afm-pfa-fpdf-tcpdf, convert fonts to the format that TCPDF uses.

I had almost same requirement like this, i didn't get a perfect solution, so I used an alternative solution,
converted the html to text with the help of "w3m"
send this text to a python script running on a client machine through socket communication
through the python script(used pyusb) i sent this text directly to the printer via USB and printed.
In this solution, can't get all the solution in print.

Related

Rows color on report doesn't show up on print out/preview [duplicate]

I am trying to print a page. In that page I have given a table a background color.
When I view the print preview in chrome its not taking on the background color property...
So I tried this property:
-webkit-print-color-adjust: exact;
but still its not showing the color.
http://jsfiddle.net/TbrtD/
.vendorListHeading {
background-color: #1a4567;
color: white;
-webkit-print-color-adjust: exact;
}
<div class="bs-docs-example" id="soTable" style="padding-top: 10px;">
<table class="table" style="margin-bottom: 0px;">
<thead>
<tr class="vendorListHeading" style="">
<th>Date</th>
<th>PO Number</th>
<th>Term</th>
<th>Tax</th>
<th>Quote Number</th>
<th>Status</th>
<th>Account Mgr</th>
<th>Shipping Method</th>
<th>Shipping Account</th>
<th style="width: 184px;">QA</th>
<th id="referenceSO">Reference</th>
<th id="referenceSO" style="width: 146px;">End-User Name</th>
<th id="referenceSO" style="width: 118px;">End-User's PO</th>
<th id="referenceSO" style="width: 148px;">Tracking Number</th>
</tr>
</thead>
<tbody>
<tr class="">
<td>22</td>
<td>20130000</td>
<td>Jim B.</td>
<td>22</td>
<td>510 xxx yyyy</td>
<td>zznn#abc.co</td>
<td>PDF</td>
<td>12/23/2012</td>
<td>Approved</td>
<td>PDF</td>
<td id="referenceSO">12/23/2012</td>
<td id="referenceSO">Approved</td>
</tr>
</tbody>
</table>
</div>
The CSS property print-color-adjust: exact; works appropriately.
However, making sure you have the correct CSS for printing can often be tricky. Several things can be done to avoid the difficulties you are having. First, separate all your print CSS from your screen CSS. This is done via the #media print and #media screen.
Often times just setting up some extra #media print CSS is not enough because you still have all your other CSS included when printing as well. In these cases you just need to be aware of CSS specificity as the print rules don't automatically win against non-print CSS rules.
In your case, the print-color-adjust: exact is working. However, your background-color and color definitions are being beaten out by other CSS with higher specificity.
While I do not endorse using !important in nearly any circumstance, the following definitions work properly and expose the problem:
#media print {
tr.vendorListHeading {
background-color: #1a4567 !important;
print-color-adjust: exact;
}
}
#media print {
.vendorListHeading th {
color: white !important;
}
}
Here is the fiddle (and embedded for ease of print previewing).
That CSS property is all you need it works for me...When previewing in Chrome you have the option to see it BW and Color(Color: Options- Color or Black and white) so if you don't have that option, then I suggest to grab this Chrome extension and make your life easier:
https://chrome.google.com/webstore/detail/print-background-colors/gjecpgdgnlanljjdacjdeadjkocnnamk?hl=en
The site you added on fiddle needs this in your media print css (you have it just need to add it...
media print CSS in the body:
#media print {
body {-webkit-print-color-adjust: exact;}
}
UPDATE
OK so your issue is bootstrap.css...it has a media print css as well as you do....you remove that and that should give you color....you need to either do your own or stick with bootstraps print css.
When I click print on this I see color....
http://jsfiddle.net/rajkumart08/TbrtD/1/embedded/result/
Chrome will not render background-color, or several other styles, when printing if the background graphics setting is turned off.
This has nothing to do with css, #media, or specificity. You can probably hack your way around it, but the easiest way to get chrome to show the background-color and other graphics is to properly check this checkbox under More Settings.
I just needed to add the !important attribute onto the the background-color tag in order for it to show up, did not need the webkit part:
background-color: #f5f5f5 !important;
Your CSS must be like this:
#media print {
body {
-webkit-print-color-adjust: exact;
}
}
.vendorListHeading th {
background-color: #1a4567 !important;
color: white !important;
}
FOR THOSE USING BOOTSTRAP.CSS, this is the fix!
I have tried all the solutions and they weren't working... until I discovered that bootstrap.css had a super annoying #media print that resets all your colors, background-colors, shadows, etc...
#media print{*,:after,:before{color:#000!important;text-shadow:none!important;background:0 0!important;-webkit-box-shadow:none!important;box-shadow:none!important}
So either remove this section from bootstrap.css (or bootstrap.min.css)
Or override these values in the css of the page you want to print in your own #media print
#media print {
body {
-webkit-print-color-adjust: exact;
}
.customClass{
//customCss + !important;
}
//more of your custom css
}
For IE
If you are using IE then go to print preview ( right click on document -> print preview ), go to settings and there is option "print background color and images", select that option and try.
If you are using bootstrap or any other 3rd party CSS, make sure you specify the media screen only on it, so you have the control of the print media type in your own CSS files:
<link rel="stylesheet" media="screen" href="">
if you are using Bootstrap.just use this code in your custom css file. Bootstrap removes all your colors in print preview.
#media print{
.box-text {
font-size: 27px !important;
color: blue !important;
-webkit-print-color-adjust: exact !important;
}
}
Are your sure this is a css issue ? There are some posts on google around this issue:
http://productforums.google.com/forum/#!category-topic/chrome/discuss-chrome/eMlLBcKqd2s
It may be related to the print process. On safari, which is webkit also, there is a checkbox to print background images and colors in the printer dialog.
Use the following in your #media print style sheet.
h1 {
background-color:#404040;
background-image:url("img/404040.png");
background-repeat:repeat;
box-shadow: inset 0 0 0 1000px #404040;
border:30px solid #404040;
height:0;
width:100%;
color:#FFFFFF !important;
margin:0 -20px;
line-height:0px;
}
Here are a couple things to note:
background-color is the absolute fallback and is there for posterity mostly.
background-image uses a 1px x 1px pixel of #404040 made into a PNG. If the user has images enabled it may work, if not...
Set the box-shadow, if that doesn't work...
Border = 1/2 your desired height and/or width of box, solid, color. In the example above I wanted a 60px height box.
Zero out the heigh/width depending on what you're controlling in the border attribute.
Font color will default to black unless you use !important
Set line-height to 0 to fix for the box not having physical dimension.
Make and host your own PNGs :-)
If the text in the block needs to wrap, put it in a div and position the div using position:relative; and remove line-height.
See my fiddle for a more detailed demonstration.
There's a style in the bootstrap css files under #media print{*,:after,:before ....} that has color and background styles labeled !important, which remove any background colors on any elements. Kill those two pieces of css and it will work.
Bootstrap is making the executing decision that you should never have any background color in prints, so you have to edit their css or have another !important style that is a higher precedence. Good job bootstrap...
I used purgatory101's answer but had trouble keeping all colours (icons, backgrounds, text colours etc...), especially that CSS stylesheets cannot be used with libraries which dynamically change DOM element's colours. Therefore here is a script that changes element's styles (background-colour and colour) before printing and clears styles once printing is done. It is useful to avoid writing a lot of CSS in a #media print stylesheet as it works whatever the page structure.
There is a part of the script that is specially made to keep FontAwesome icons color (or any element that uses a :before selector to insert coloured content).
JSFiddle showing the script in action
Compatibility: works in Chrome, I did not test other browsers.
function setColors(selector) {
var elements = $(selector);
for (var i = 0; i < elements.length; i++) {
var eltBackground = $(elements[i]).css('background-color');
var eltColor = $(elements[i]).css('color');
var elementStyle = elements[i].style;
if (eltBackground) {
elementStyle.oldBackgroundColor = {
value: elementStyle.backgroundColor,
importance: elementStyle.getPropertyPriority('background-color'),
};
elementStyle.setProperty('background-color', eltBackground, 'important');
}
if (eltColor) {
elementStyle.oldColor = {
value: elementStyle.color,
importance: elementStyle.getPropertyPriority('color'),
};
elementStyle.setProperty('color', eltColor, 'important');
}
}
}
function resetColors(selector) {
var elements = $(selector);
for (var i = 0; i < elements.length; i++) {
var elementStyle = elements[i].style;
if (elementStyle.oldBackgroundColor) {
elementStyle.setProperty('background-color', elementStyle.oldBackgroundColor.value, elementStyle.oldBackgroundColor.importance);
delete elementStyle.oldBackgroundColor;
} else {
elementStyle.setProperty('background-color', '', '');
}
if (elementStyle.oldColor) {
elementStyle.setProperty('color', elementStyle.oldColor.value, elementStyle.oldColor.importance);
delete elementStyle.oldColor;
} else {
elementStyle.setProperty('color', '', '');
}
}
}
function setIconColors(icons) {
var css = '';
$(icons).each(function (k, elt) {
var selector = $(elt)
.parents()
.map(function () { return this.tagName; })
.get()
.reverse()
.concat([this.nodeName])
.join('>');
var id = $(elt).attr('id');
if (id) {
selector += '#' + id;
}
var classNames = $(elt).attr('class');
if (classNames) {
selector += '.' + $.trim(classNames).replace(/\s/gi, '.');
}
css += selector + ':before { color: ' + $(elt).css('color') + ' !important; }';
});
$('head').append('<style id="print-icons-style">' + css + '</style>');
}
function resetIconColors() {
$('#print-icons-style').remove();
}
And then modify the window.print function to make it set the styles before printing and resetting them after.
window._originalPrint = window.print;
window.print = function() {
setColors('body *');
setIconColors('body .fa');
window._originalPrint();
setTimeout(function () {
resetColors('body *');
resetIconColors();
}, 100);
}
The part that finds icons paths to create CSS for :before elements is a copy from this SO answer
I tried all suggested solutions here (and in many other questions), such as applied background-color: #000 !important; both in stylesheet and inline, or set
#media print {
* {
color-adjust: exact !important;
-webkit-print-color-adjust: exact !important;
print-color-adjust: exact !important;
}
}
, even combined them together, but nothing worked.
After hours of researching without any results, I recognized that the "bug" lost background-color only appears on table (th, td), but other HTML elements (div,...) or other CSS attributes (border-color,...) still work.
Therefore, I came up with a "hack" to wrap-up anything inside <th> or <td> with a <div> (you can adjust padding to make it display same as prior).
Here I used React and makeStyles of #material-ui/core.
JSX:
<Table bordered>
<thead className={classes.thead}>
<tr>
<th><div>Col 1</div></th>
<th><div>Col 2</div></th>
<th><div>Col 3</div></th>
</tr>
</thead>
<tbody>
<tr>
<td className={classes.tdGreen}><div>Row 1 - Col 1</div></td>
<td><div>Row 1 - Col 2</div></td>
<td><div>Row 1 - Col 3</div></td>
</tr>
<tr>
<td><div>Row 2 - Col 1</div></td>
<td className={classes.tdBlue}><div>Row 2 - Col 2</div></td>
<td><div>Row 2 - Col 3</div></td>
</tr>
</tbody>
</Table>
Styles:
const useStyles = makeStyles(() => ({
thead: {
textAlign: 'center',
'& th:not(:last-child)': {
padding: '0',
'& > div': {
padding: '.75rem',
backgroundColor: '#D8D8D8 !important',
}
}
},
tdGreen: {
padding: '0 !important',
'& > div': {
padding: '.75rem',
color: 'white',
backgroundColor: 'green !important',
}
},
tdBlue: {
padding: '0 !important',
'& > div': {
padding: '.75rem',
color: 'white',
backgroundColor: 'blue !important',
}
}
}));
You can take the idea and convert it into pure HTML/CSS solutions.
Hope this can help anyone struggled with this issue!
You can also use the box-shadow property.
The best solution for this if you are using bootstrap so just do one thing remove #media print {} all code inside this. and enable background graphics from more settings while taking print preview.
You can use inline css styles with !important.
Eg.
<p style="background:red!important">ABCD</p>
If you are using nextjs or react add this to the global css:
#media print {
body {
-webkit-print-color-adjust: exact;
}
}
This worked for me.
you can download bootstrap 4 css from bootstrap web and looking on the bottom code
look where code is
and remove this css style because this override your css color table style
If you download Bootstrap without the "Print media styles" option, you will not have this problem and do not have to remove the "#media print" code manually in your bootstrap.css file.
I double load my external css source file and change the media="screen" to media="print" and all the borders for my table were shown
Try this :
<link rel="stylesheet" media="print" href="bootstrap.css" />
<link rel="stylesheet" media="screen" href="bootstrap.css" />

inconsistent scaling of elements in php with css on mobile device

I have a php script that uses MathJax to format some equations. When viewed on a computer it is all fine and well but when viewed on a mobile telephone two problems appear. First here's my code that:
<?php
echo '<head>';
$browser = get_browser(null, true);
if($browser['ismobiledevice']) {
echo '
<style>
#media only screen
and (max-width : 320px) {
/* Styles */
}
body {font-size: 2em !important;}
.MathJax {font-size: 2em !important;}
</style>
';}
echo'<script type="text/javascript" id="MathJax-script" async
src="https://cdn.jsdelivr.net/npm/mathjax#3/es5/tex-mml-chtml.js">
</script>';
echo '</head>';
/////////////////////////////
echo 'Link<br><br>';
echo 'Consider the following equation<br><br>
<table><tr><td>\(6x+8\)</td><td>\(=\)</td><td>\(11\)</td></tr></table>
<br><br>'
;
echo $solutionText = 'This is the solution \(x=\frac{1}{2}\)';
?>
The code above has used bits and bobs that I found here on this site.
The two questions are:
The equation when within a <table> element doesn't seem to get scaled. What needs to be modified in the css so that such equations font-size are appropriately adjusted.
When there is enough text to get to the edge of the screen (or past some kind of threshold) the text automatically enlarges. Below are two screenshots from my mobile phone to show this. The code above gives the left hand part of the picture below.

CSS: Dynamic classes / attributes and media queries - how to solve this dilemma?

Writing an extension for a Plugin I have the possibility to change all attributes of an HTML element using PHP.
$attributes["style"] .= 'padding-left:10px;';
array_push($attributes["class"], "long-container");
array_push($attributes["class"], "super smooth");
$attributes["data-whatever"] = "great";
Now I want to give a user the possibility to enter the width / height ratio of a div dynamically (the solution of how to do this is described in the answer by #Web_Designer here: Maintain the aspect ratio of a div with CSS).
Within the function where I can change the output of the third-party Plugin I wrote the following code for calculating the width height ratio according to the input. As the height of my boxes is :
if( !empty( $args['stretchy-desktop'] ) ) {
$sd = array_map('trim',explode(":",$args['stretchy-desktop']));
if(count($sd)==2) {
$sd[0] = floatval(str_replace(",",".",$sd[0]));
$sd[1] = floatval(str_replace(",",".",$sd[1]));
if($sd[0]>0 && $sd[1]>0) {
$padding = ($sd[1] / $sd[0])*100;
array_push($attributes['class'], 'stretchy-desktop');
$attributes['style'] .= 'padding-bottom:'.$padding.'%;';
}
}
}
Great right? However now the user wants a possibility to enter a different weight height ratio for mobile devices as well as a different dynamic min-height for mobile devices and this is there I am stuck.
1) It is not possible to give inline #media queries right now otherwise my solution would be like this (Is it possible to put CSS #media rules inline?):
$attributes['style'] .= '#media (min-width:540px) {padding-bottom:'.$padding.'%;}#media (max-width:539px) {padding-bottom:'.$padding_mobile.';}';
2) It is not possible to use HTML attribute values in CSS right now (CSS values using HTML5 data attribute) otherwise my solution would be like this:
$attributes['data-desktoppadding'] = $padding;
$attributes['data-mobilepadding'] = $padding_mobile;
In CSS:
#media (min-width:540px) {
.long-container {
padding-bottom: attr(data-desktoppadding);
}
}
#media (max-width:539px) {
.long-container {
padding-bottom: attr(data-mobilepadding);
}
}
3) As the values are dynamic numbers I can not define a CSS class for every possible existing float.
Of course I could use JavaScript but we all know the significant drawbacks (including ugly page load).
Can you think of any CSS solution for this dilemma?
Here is a solution I came up with. It involves creating a wrapper div around the target element. Basically, the way that this works is that the outer div is assigned the inline styles for the mobile mode, and the inner div is assigned the inline styles for desktop mode. When the browser window is resized to be below the threshold for desktop view, it resets the inner div's (desktop) inline styles to defaults so the outer div's (mobile) inline styles take over. When the browser window is resized to be above the threshold, it resets the outer div's (mobile) inline styles to defaults so the inner div's (desktop) inline styles take over. The way that it overrides the inline styles is by using the !important keyword in the rulesets in the CSS media queries.
I think it goes without saying that the inline styles in the snippet below would be replaced with your $attributes['style']. But since you will have separate mobile and desktop styles, I guess it would be $attributes['style-mobile'] and $attributes['style-desktop'].
#media (min-width:540px) {
.padding-mobile {
padding-bottom:0 !important;
width: auto !important;
}
}
#media (max-width:539px) {
.padding-desktop {
padding-bottom:0 !important;
width: auto !important;
}
}
<div class="padding-mobile" style="width:100%;background-color:red;padding-bottom:100%;">
<div class="padding-desktop" style="width:50%;background-color:red;padding-bottom:25%;">
</div>
</div>
An elegant approach that works in most major browsers is the usage of custom properties. They are basically variables in CSS. As of writing this (2017-03-27), only IE and Edge do not support this, although they are working on support for Edge.
You would add the variables to the $attributes['style'] and actually apply them in the stylesheet inside a media query. They are then used dynamically by the browser.
I have implemented a demo as a snippet, but because it is easier to change the viewport size on JSFiddle, also a copy of the demo there. Note that the responsive breakpoint is defined in CSS here, and the variables are defined in inline styles of the element.
.container {
width: 200px;
}
.block {
position: relative;
display: block;
box-sizing: border-box;
width: 100%;
height: 0;
padding: 10px;
padding-bottom: var(--desktop-ratio);
background: #bada55;
color: #444;
}
#media (min-width: 540px) {
.mobile {
display: none;
}
}
#media (max-width: 539px) {
.desktop {
display: none;
}
.block {
padding-bottom: var(--mobile-ratio);
}
}
<div class="container">
<div class="block" style="--desktop-ratio: 56.25%; --mobile-ratio: 200%;";>
My aspect ratio is set via custom properties. It is <span class="mobile">1:2</span><span class="desktop">16:9</span>.
</div>
</div>
It is (at least at the moment) apparently not possible to set a breakpoint using a variable. That is,
#media (min-width: var(--breakpoint)) { ... }
is apparently not understood by at least Firefox and Chrome at the moment.
Alternatively, building on Kodos Johnson's answer: if you have only a single breakpoint, you can make use of the padding-bottom and padding-top. One of the two defines the aspect ratio on small screens, and the other defines it on big screens. This removes the need to add a wrapper element. Here is an example, based on the one from Kodos' answer.
#media (min-width:540px) {
.block {
padding-top: 0 !important;
}
}
#media (max-width:539px) {
.block {
padding-bottom: 0 !important;
}
}
<div class="block" style="width: 50%;
padding-bottom: 25%;
padding-top: 100%;
background-color: red;">
</div>

Column html css

I need to split a text in two columns, but my need is to print. I need to have the first text be filled with text and then let the text skip to the second column. The paper size is A4.
My solution is not the following:
.two-column {
height: 29 cm;
-moz-column-count: 2;
-webkit-column-count: 2;
-moz-column-width: 9.5cm;
-webkit-column-width: 9.5cm;
-moz-column-gap: 10px;
-webkit-column-gap: 10px;
}
Using this code it divides the text evenly, but I want fill the first column with text and then skip to the the second column.
Solutions in Php, Javascript and other languages are fine.
I tried it in JSFiddle and it works fine.
Here is the link: http://jsfiddle.net/w9sotbb7/
The CSS code:
.columns {
height: 297mm;
width: 210mm;
-moz-column-count: 2;
-webkit-column-count: 2;
-moz-column-width: 95mm;
-webkit-column-width: 95mm;
-moz-column-gap: 5mm;
-webkit-column-gap: 5mm;
text-align: justify;
}
I added text-align: justify for making the text looking more beautiful.
Using a metric unit for the gap is better than using px. Actually it is better to use metric units for all attributes in CSS if you're creating a print layout.
The best would be to enclose the CSS code for the print layout in a media query:
#media print {
/* CSS selectors and values */
}
Thus you can create a different look and feel for printing and for the screen. Think also on the margins when printing.

How to position the images in this php code?

I have this code which I am using to display random images. But the images show up at the top left corner of the site. I want to be able to position the image as I wish. What are the changes I have to do in the code order to the above mentioned.
Here's the code--
/*
* Name your images 1.jpg, 2.jpg etc.
*
* Add this line to your page where you want the images to * appear: <?php include"randomimage.php"; ?>
*/
// Change this to the total number of images in the folder
$total = "2";
// Change to the type of files to use eg. .jpg or .gif
$file_type = ".jpg";
// Change to the location of the folder containing the images
$image_folder = "sample.url.com";
// You do not need to edit below this line
$start = "1";
$random = mt_rand($start, $total);
$image_name = $random . $file_type;
echo "<img src=\"$image_folder/$image_name\" alt=\"$image_name\ />";
?>
Thanks in advance
This would be a CSS solution, PHP can't position images. With CSS you can position things in many different ways:
Using margins (e.g., margin: top right bottom left;)
Using paddings (e.g., padding: top right bottom left;)
Using floats (e.g., float: right or left;)
Using positions (e.g., position: absolute or relative; and then using top/left and bottom/right to position).
For example, you can center your image to the middle of the page using margins. Add this to the top of your page:
<style type="text/css"> /*Initializing CSS code*/
img { margin: 0 auto; }
</style>
Or you can float the image to the far right of your page using a float, assuming the parent object has a width of 100%:
<style type="text/css"> /*Initializing CSS code*/
img { float: right; }
</style>
Or using an absolute position to position it at the bottom right:
<style type="text/css"> /*Initializing CSS code*/
img {
position: absolute;
right: 0px;
bottom: 0px;
}
</style>
You may want to read a CSS tutorial to learn the differences between all the positioning techniques and when to use them and where + little hacks, annoyances and incidents that come when you use each of them.
http://www.google.com/search?q=css+tutorial
You need to modify your html code.
In your case you need to change value of this string:
echo "<img src=\"$image_folder/$image_name\" alt=\"$image_name\ />";
Like this:
echo "<img src=\"$image_folder/$image_name\" alt=\"$image_name\ style=\"Your css style goes here\"/>";
Please learn some of the basics before asking on Stack Overflow.
http://www.w3.org/Style/CSS/learning.en.html css guides.
While the CSS answers are good, not every project will need or want CSS. This alternative solution, given your code, works just fine within the PHP tags:
(I had to put a space after the first < or it wouldn't display properly on this page. Just remove that space from each line to make it work)
Align Right:
< right>
< img src=\"$image_folder/$image_name\" alt=\"$image_name\ />";
< /right>
Align Center:
< center>
< img src=\"$image_folder/$image_name\" alt=\"$image_name\ />";
< /center>
Align Left:
< left>
< img src=\"$image_folder/$image_name\" alt=\"$image_name\ />";
< /left>
This is technically an HTML solution, but since it works within PHP tags you can use this to effectively position anything you like.

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