In what ways can PHP developers improve their understanding and mastery of PHP functions for text file manipulation and image generation?

PHP developers can improve their understanding and mastery of PHP functions for text file manipulation and image generation by practicing regularly and exploring various functions and techniques available in PHP documentation. Additionally, they can deepen their knowledge by working on real-world projects that involve manipulating text files and generating images programmatically. 

// Example code for reading a text file and outputting its contents
$file = 'example.txt';
if (file_exists($file)) {
    $fileContents = file_get_contents($file);
    echo $fileContents;
} else {
    echo 'File not found.';
}

Keywords

PHP functions text file manipulation image generation libraries error types

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