base64_encode_fromarray()base64_encode_fromarray()
从字节数组对 base64 字符串进行编码。Encodes a base64 string from a bytes array.
语法Syntax
base64_encode_fromarray(
BytesArray)
base64_encode_fromarray(
BytesArray)
参数Arguments
- BytesArray :输入要编码为 base64 字符串的字节数组。BytesArray : Input bytes array to be encoded into base64 string.
返回Returns
返回从字节数组进行编码的 base64 字符串。Returns the base64 string encoded from the bytes array.
- 若要将 base64 字符串解码为 UTF-8 字符串,请参阅 base64_decode_tostring()For decoding base64 strings to a UTF-8 string see base64_decode_tostring()
- 若要将字符串编码为 base64 字符串,请参阅 base64_encode_tostring()For encoding strings to base64 string see base64_encode_tostring()
- 此函数是 base64_decode_toarray() 的反函数This function is the inverse of base64_decode_toarray()
示例Example
let bytes_array = toscalar(print base64_decode_toarray("S3VzdG8="));
print decoded_base64_string = base64_encode_fromarray(bytes_array)
decoded_base64_stringdecoded_base64_string |
---|
S3VzdG8=S3VzdG8= |
尝试从无效 UTF-8 编码字符串生成的无效字节数组中对 base64 字符串进行编码将返回 null:Trying to encode a base64 string from an invalid bytes array which was generated from invalid UTF-8 encoded string will return null:
let empty_bytes_array = toscalar(print base64_decode_toarray("U3RyaW5n0KHR0tGA0L7Rh9C60LA"));
print empty_string = base64_encode_fromarray(empty_bytes_array)
empty_stringempty_string |
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