PHP Expert Programmer

Short open tags not work in php5.2.0 and not in php5.2.3

sarapeter — Mon, 20 Apr 2009 13:33:21 +0000

Short open tags not work in php5.2.0 and not in php5.2.3

My advice was to put short_open_tag = On in the php.ini file.

The server status is short_open_tag = Off

I set this to short_open_tag = On in the php.ini file in the root of the site.

This did not work but when I renamed the php.ini file to php5.ini this corrected this issue.

However I did not immediately notice but this blocked out the server php.ini file – this start a major component working as it also blocked out zend optimizer.

I have read more about the issue of the short tag.

I have in my limited experience of php coding always used There appears to be a number opinions that setting short_open_tag = On can cause problems where there are xml files as attempts will be made to parse these.

I have been through every php file in the component – I can’t find a short code anywhere in the files.

Fatal error: Allowed memory size of 8388608 bytes exhausted

sarapeter — Thu, 26 Mar 2009 16:54:59 +0000

Php Fatal error: Allowed memory size of 8388608 bytes exhausted

This error message can spring up in a previously functional PHP script when the memory requirements exceed the default 8MB limit. Don’t fret, though, because this is an easy problem to overcome.

To change the memory limit for one specific script by including a line such as this at the top of the script:

ini_set("memory_limit","12M");

The 12M sets the limit to 12 megabytes (12582912 bytes). If this doesn’t work, keep increasing the memory limit until your script fits or your server squeals for mercy.

You can also make this change permanently for all PHP scripts running on the server by adding a line like this to the server’s php.ini file:

memory_limit = 12M

Keep in mind that a huge memory limit is a poor substitute for good coding. A poorly written script may inefficiently squander memory which can cause severe problems for frequently executed scripts. However, some applications are run infrequently and require lots of memory like importing and processing a big data file.

Resize an image on the fly & keep its aspect ratio

sarapeter — Wed, 25 Mar 2009 22:13:01 +0000

Resize an image on the fly & keep its aspect ratio

bool imagecopyresampled ( resource $dst_image , resource $src_image , int $dst_x , int $dst_y , int $src_x , int $src_y , int $dst_w , int $dst_h , int $src_w , int $src_h )

imagecopyresampled() copies a rectangular portion of one image to another image, smoothly interpolating pixel values so that, in particular, reducing the size of an image still retains a great deal of clarity.

In other words, imagecopyresampled() will take an rectangular area from src_image of width src_w and height src_h at position (src_x ,src_y ) and place it in a rectangular area of dst_image of width dst_w and height dst_h at position (dst_x ,dst_y ).

If the source and destination coordinates and width and heights differ, appropriate stretching or shrinking of the image fragment will be performed. The coordinates refer to the upper left corner. This function can be used to copy regions within the same image (if dst_image is the same as src_image ) but if the regions overlap the results will be unpredictable.


// The file

$filename = 'test.jpg';

$percent = 0.5;
// Content type

header('Content-type: image/jpeg');
// Get new dimensions

list($width, $height) = getimagesize($filename);

$new_width = $width * $percent;

$new_height = $height * $percent;
// Resample

$image_p = imagecreatetruecolor($new_width, $new_height);

$image = imagecreatefromjpeg($filename);

imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

// Output imagejpeg($image_p, null, 100); ?>

Php extract method

sarapeter — Sun, 01 Mar 2009 17:23:52 +0000

“extract()” Method

Experimentally I found that calling extract() also shows the number of keys if the key is set and is not numeric ! Maybe there was a better definition than mine . Please have a look to this scripts : $var["i"] = “a”;
$var["j"] = “b”;
$var["k"] = 1;
echo extract($var); // returns 3
?>

$var2["i"] = “a”;
$var2[2] = “b”;
$var2[] = 1;
echo extract($var2); // returns 1
?>

(Arash Moslehi)

Sending Email with Attachment

sarapeter — Sun, 08 Feb 2009 18:30:26 +0000

The last variation that we will consider is email with attachments. To send an email with attachment we need to use the multipart/mixed MIME type that specifies that mixed types will be included in the email. Moreover, we want to use multipart/alternative MIME type to send both plain-text and HTML version of the email. Have a look at the example:

//define the receiver of the email
$to = ‘youraddress@example.com’;
//define the subject of the email
$subject = ‘Test email with attachment’;
//create a boundary string. It must be unique
//so we use the MD5 algorithm to generate a random hash
$random_hash = md5(date(‘r’, time()));
//define the headers we want passed. Note that they are separated with \r\n
$headers = “From: webmaster@example.com\r\nReply-To: webmaster@example.com”;
//add boundary string and mime type specification
$headers .= “\r\nContent-Type: multipart/mixed; boundary=\”PHP-mixed-”.$random_hash.”\”";
//read the atachment file contents into a string,
//encode it with MIME base64,
//and split it into smaller chunks
$attachment = chunk_split(base64_encode(file_get_contents(‘attachment.zip’)));
//define the body of the message.
ob_start(); //Turn on output buffering
?>
–PHP-mixed-
Content-Type: multipart/alternative; boundary=”PHP-alt-”

–PHP-alt-
Content-Type: text/plain; charset=”iso-8859-1″
Content-Transfer-Encoding: 7bit

Hello World!!!
This is simple text email message.

–PHP-alt-
Content-Type: text/html; charset=”iso-8859-1″
Content-Transfer-Encoding: 7bit

Hello World!

This is something with HTML formatting.

–PHP-alt-–

–PHP-mixed-
Content-Type: application/zip; name=”attachment.zip”
Content-Transfer-Encoding: base64
Content-Disposition: attachment

–PHP-mixed-–

//copy current buffer contents into $message variable and delete current output buffer
$message = ob_get_clean();
//send the email
$mail_sent = @mail( $to, $subject, $message, $headers );
//if the message is sent successfully print “Mail sent”. Otherwise print “Mail failed”
echo $mail_sent ? “Mail sent” : “Mail failed”;
?>

As you can see, sending an email with attachment is easy to accomplish. In the preceding example we have multipart/mixed MIME type, and inside it we have multipart/alternative MIME type that specifies two versions of the email. To include an attachment to our message, we read the data from the specified file into a string, encode it with base64, split it in smaller chunks to make sure that it matches the MIME specifications and then include it as an attachment.

Sending HTML Email

sarapeter — Sun, 08 Feb 2009 18:24:56 +0000

The next step is to examine how to send HTML email. However, some mail clients cannot understand HTML emails. Therefore it is best to send any HTML email using a multipart construction, where one part contains a plain-text version of the email and the other part is HTML. If your customers have HTML email turned off, they will still get a nice email, even if they don’t get all of the HTML markup. Have a look at the example:

//define the receiver of the email
$to = ‘youraddress@example.com’;
//define the subject of the email
$subject = ‘Test HTML email’;
//create a boundary string. It must be unique
//so we use the MD5 algorithm to generate a random hash
$random_hash = md5(date(‘r’, time()));
//define the headers we want passed. Note that they are separated with \r\n
$headers = “From: webmaster@example.com\r\nReply-To: webmaster@example.com”;
//add boundary string and mime type specification
$headers .= ”\r\nContent-Type: multipart/alternative; boundary=\”PHP-alt-”.$random_hash.”\”";
//define the body of the message.
ob_start(); //Turn on output buffering
?>
–PHP-alt-
Content-Type: text/plain; charset=”iso-8859-1″
Content-Transfer-Encoding: 7bit

Hello World!!!
This is simple text email message.

–PHP-alt-
Content-Type: text/html; charset=”iso-8859-1″
Content-Transfer-Encoding: 7bit

Hello World!

This is something with HTML formatting.

–PHP-alt-–
//copy current buffer contents into $message variable and delete current output buffer
$message = ob_get_clean();
//send the email
$mail_sent = @mail( $to, $subject, $message, $headers );
//if the message is sent successfully print “Mail sent”. Otherwise print “Mail failed”
echo $mail_sent ? “Mail sent” : “Mail failed”;
?>

In the preceding example we add one additional header of Content-type:multipart/alternative and boundary string that marks the different areas of the email. Note that the content type of the message itself is sent as a mail header, while the content types of the individual parts of the message are embedded in the message itself. This way, mail clients can decide which part of the message they want to display.

Sending a Simple Text Email

sarapeter — Sun, 08 Feb 2009 18:23:18 +0000

At first let’s consider how to send a simple text email messages. PHP includes the mail() function for sending email, which takes three basic and two optional parameters. These parameters are, in order, the email address to send to, the subject of the email, the message to be sent, additional headers you want to include and finally an additional parameter to the Sendmail program. The mail() function returns True if the message is sent successfully and False otherwise. Have a look at the example:

//define the receiver of the email
$to = ‘youraddress@example.com’;
//define the subject of the email
$subject = ‘Test email’;
//define the message to be sent. Each line should be separated with \n
$message = “Hello World!\n\nThis is my first mail.”;
//define the headers we want passed. Note that they are separated with \r\n
$headers = “From: webmaster@example.com\r\nReply-To: webmaster@example.com”;
//send the email
$mail_sent = @mail( $to, $subject, $message, $headers );
//if the message is sent successfully print “Mail sent”. Otherwise print “Mail failed”
echo $mail_sent ? “Mail sent” : “Mail failed”;
?>

As you can see, it very easy to send an email. You can add more receivers by either adding their addresses, comma separated, to the $to variable, or by adding cc: or bcc: headers. If you don’t receive the test mail, you have probably installed PHP incorrectly, or may not have permission to send emails.

how to remove html tags from text in php

sarapeter — Fri, 06 Feb 2009 15:30:08 +0000

if you are reading my post, its probably because you want to remove html tags from your posts or forums or whatever.

when i first started to do this, i wanted to remove all the html tags from a strin i had in my posts. this is an example:

$string = “

BIG HTML TAGS

”;
?>

ok as you can see, this will output:

BIG HTML TAGS

but i dont want that, i want to stop and prevent html from being posted on my forums. i tried using htmlspecialchars() and htmlentities() but none did what i wanted.

but finally i found it, the function is called strip_tags()

so if i wanted to remove the

tags from my string i would just simply do this:

$string = “
BIG HTML TAGS
”;
$string = strip_tags($string);
?>

and this would be the ouput:

BIG HTML TAGS

X-Cart – ecommerce shopping cart software

sarapeter — Mon, 18 Aug 2008 00:59:30 +0000

X-Cart – ecommerce shopping cart software:

X-Cart shopping cart software is based on PHP Smarty templates, this makes it very flexible and easy to modify. The data is stored in MySQL database.
W3C XHTML 1.0 compliance of X-Cart storefront out of the box.
You receive a complete source code and SQL tables for MySQL database to make them extended or customized easily.
X-Cart is a turnkey package. Installation is handled by web-based step-by-step wizard to make the system running immediately after receiving it.
X-Cart is search engine friendly. It has integrated HTML catalog functionality to gain benefits of dynamic content and static HTML preferred by search engines.
We bundle our software with 24×7 free technical support for beginners. Our experts are always ready to answer questions, even handle installation & configuration tasks.
We also offer custom programming services. Every client can get a storefront with a unique look. We can customize the software to completely fit the structure of your business.
Additional software licenses come at discounted rates.

More advantages:

Robust feature rich ecommerce shopping cart software is a key in online business success. Its potential can be multiplied many times if accompanied by coherent resources & services to give a hand on the way to online success not leaving you alone when operating live ecommerce website:

Moneyback guarantee

We offer unconditional 30-day money back guarantee as a sign of our products quality to ensure best customers’ experience in any case. Simply request a refund within 30 days since purchase to have all the money back.
Community forums

The value of help provided by community forums should not be underestimated. Share experience with thousands of real business owners to find answers & hints to be successful. The forums are intentionally made available for clients only to ensure community forums are the meeting point of people who actually are in the business.
Responsive support

Free technical support offered with each license guarantees successful project launching. We designed our software to minimize the need of this, so free technical support is a warranty card to keep you confident.
Partnership

Regardless of whether you are a web hosting provider, developer, payment gateway or ISP, we can setup a partner relationship profitable for both parties. Read about our Affiliate program and see Reseller prices.

Website: http://www.x-cart.com/

PHP Email Address Validation

sarapeter — Tue, 29 Jul 2008 22:17:40 +0000

Using the function above is relatively simple, as you can see:

if (check_email_address($email)) {
echo $email . ‘ is a valid email address.’;
} else {
echo $email . ‘ is not a valid email address.’;
}
?>

PHP Expert Programmer

Short open tags not work in php5.2.0 and not in php5.2.3

Short open tags not work in php5.2.0 and not in php5.2.3

Fatal error: Allowed memory size of 8388608 bytes exhausted

Php Fatal error: Allowed memory size of 8388608 bytes exhausted

This error message can spring up in a previously functional PHP script when the memory requirements exceed the default 8MB limit. Don’t fret, though, because this is an easy problem to overcome.

Resize an image on the fly & keep its aspect ratio

Resize an image on the fly & keep its aspect ratio

Php extract method

“extract()” Method

Sending Email with Attachment

Hello World!

Sending HTML Email

Hello World!

Sending a Simple Text Email

how to remove html tags from text in php

BIG HTML TAGS

BIG HTML TAGS

tags from my string i would just simply do this: $string = “BIG HTML TAGS”; $string = strip_tags($string); ?> and this would be the ouput: BIG HTML TAGS

BIG HTML TAGS

X-Cart – ecommerce shopping cart software

X-Cart – ecommerce shopping cart software:

More advantages:

Moneyback guarantee

Community forums

Responsive support

Partnership

PHP Email Address Validation

tags from my string i would just simply do this:

$string = “
BIG HTML TAGS
”;
$string = strip_tags($string);
?>

and this would be the ouput:

BIG HTML TAGS