How can PHP developers effectively troubleshoot and debug memory-related errors in their code?

To effectively troubleshoot and debug memory-related errors in PHP code, developers can utilize tools like Xdebug to track memory usage and identify potential memory leaks. They can also review their code for inefficient memory usage, such as unnecessary variable allocations or large data structures that are not being properly managed. Additionally, developers can use functions like memory_get_peak_usage() to monitor memory usage during runtime and pinpoint areas of code that may be causing memory-related issues.

// Example of using memory_get_peak_usage() to monitor memory usage
$memoryBefore = memory_get_peak_usage();

// Code that may be causing memory-related issues

$memoryAfter = memory_get_peak_usage();
$memoryUsed = $memoryAfter - $memoryBefore;
echo "Memory used: " . $memoryUsed . " bytes";