Associative array are subject to the same limitations as regular variable names in PHP, i. E. They cannot start with a number and must start with a letter or underscore.是什么意思_Associative array are subject to the same limitations as regular variable names in PHP, i. E. They cannot start with a number and must start with a letter or underscore.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句