<?php $arr = ['0' => 'foo', '1' => 'bar']; // - keys will be dumped as integers // - \array_list($arr) will return true \var_dump($arr, \array_is_list($arr)); $arr['03'] = 'baz'; // - only the new key will be quoted as a string // - \array_list($arr) will return false \var_dump($arr, \array_is_list($arr));
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