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What is the function in PHP to copy one image onto another with a specified opacity?

To copy one image onto another with a specified opacity in PHP, you can use the imagecopymerge() function. This function takes the source and destinat...

How can PHP developers effectively communicate limitations or challenges to clients regarding advanced functionalities like fax integration?

When communicating limitations or challenges to clients regarding advanced functionalities like fax integration, PHP developers should clearly explain...

What are the best practices for handling transparency in PHP image manipulation?

When handling transparency in PHP image manipulation, it is important to ensure that the alpha channel is properly preserved to maintain transparency...

What is the purpose of the 'enable-trans-sid' option in PHP and how does it affect session management?

The 'enable-trans-sid' option in PHP allows for transparent session ID passing in URLs. This can be useful for maintaining session state across pages...

What are some common methods for adding watermarks to images during upload using PHP?

Adding watermarks to images during upload in PHP can help protect your images from unauthorized use. One common method is to use the GD library to ove...

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