Question:
Can array_column be utilized with an array of objects? Despite implementing the ArrayAccess interface, it appears to be ineffective. Is there a need to implement another interface?
Answer:
Yes, it is possible to use array_column with an array of objects. However, PHP 5 requires a different approach compared to PHP 7.
PHP 5:
In PHP 5, array_column does not support arrays of objects. Instead, use array_map:
<code class="php">$titles = array_map(function($e) {</code>
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