<?php $foo = array( "a" => 1, "b" => 2, "c" => 3, "d" => 4, ); $foo = ['c' => $foo['c']] + $foo; var_export($foo); echo "\n---\n"; $bar = array( "a" => 1, "b" => 2, "d" => 4, ); if (array_key_exists('c', $bar)) { $bar = ['c' => $bar['c']] + $bar; } var_export($bar);
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Value for `_results` contains invalid data `array`