Can you explain the significance of the parameter (1) in the RETURN_STRING function call in relation to Zend Engine's memory management?

The parameter (1) in the RETURN_STRING function call signifies that the returned string should be duplicated in memory. This is important for Zend Engine's memory management as it ensures that the returned string is stored separately from the original string, preventing potential memory leaks or corruption. 

// Original code
RETURN_STRING("Hello World");

// Fixed code
RETURN_STRING("Hello World", 1);

Keywords

RETURN_STRING parameter Zend Engine memory management function call

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