<?php $array = array(); $array[ (string) spl_object_hash( new stdClass() ) ] = 'spl_object_hash (WP<7.0)'; $array[ (string) spl_object_id( new stdClass() ) ] = 'spl_object_id (WP 7.1)'; echo "\n"; var_dump( $array ); echo "Keys:\n"; var_dump( array_keys( $array ) );
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