What is the purpose of using mt_srand() and microtime() in the code snippet provided for generating a random image?

The purpose of using mt_srand() and microtime() in the code snippet for generating a random image is to ensure that the random number generator is seeded with a unique value each time the script is run. This helps in generating different random images each time the script is executed. 

// Seed the random number generator with a unique value
mt_srand(microtime(true) * 1000000);

// Generate a random number to select a random image
$randomImageIndex = mt_rand(0, count($images) - 1);

// Display the randomly selected image
echo '<img src="' . $images[$randomImageIndex] . '" alt="Random Image">';

Keywords

mt_srand microtime random image generation PHP code snippet

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