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- 使用decbin函数将十进制数字转换为二进制数字
$decimal_number = 10; $binary_number = decbin($decimal_number); echo $binary_number; // 输出: 1010
- 使用sprintf函数将十进制数字转换为指定位数的二进制数字
$decimal_number = 10; $binary_number = sprintf("%08b", $decimal_number); echo $binary_number; // 输出: 00001010
- 使用str_pad函数将十进制数字转换为指定位数的二进制数字
$decimal_number = 10; $binary_number = base_convert($decimal_number, 10, 2); $binary_number = str_pad($binary_number, 8, "0", STR_PAD_LEFT); echo $binary_number; // 输出: 00001010