PHP | xml_error_string()函数
先决条件: XML 基础
xml_error_string()函数是PHP中的一个内置函数,它为生成的错误代码返回 XML 解析器错误描述。
句法:
string xml_error_string( int $error_code)
参数:此函数接受所需的单个参数$error_code 。它指定从 xml_get_error_code()函数生成的 XML 解析器错误代码。
返回值:此函数返回从 xml_get_error_code() 成功时生成的指定错误代码的 XML 解析器错误描述,失败时返回 False。
注意:此函数适用于PHP 4.0.0 及更新版本。
下面的程序说明了PHP中的 xml_error_string()函数:
gfg.xml 文件:
XML
user123
firstname lastname
+91-9876543210
I am John Doe. Live in Kolkata, India.
PHP
Error Code: " .
// Error code
xml_get_error_code($xml_parser) .
"
Line: " .
// Line number where the error occurred
xml_get_current_line_number($xml_parser) .
"
Column: " .
// Column number where the error occurred
xml_get_current_column_number($xml_parser) .
"
Byte Index: " .
// Byte index where the current byte occurred
xml_get_current_byte_index($xml_parser) . "
"
);
}
}
// Free to xml parser
xml_parser_free($xml_parser);
?>
XML
user123
firstname lastname
+91-9876543210
I am John Doe. Live in Kolkata, India.
PHP
Error Code: " .
// Error code
xml_get_error_code($xml_parser) .
"
Line: " .
// Line number where the error occurred
xml_get_current_line_number($xml_parser) .
"
Column: " .
// Column number where the error occurred
xml_get_current_column_number($xml_parser) .
"
Byte Index: " .
// Byte index where the current byte occurred
xml_get_current_byte_index($xml_parser) . "
"
);
}
}
// Free to xml parser
xml_parser_free($xml_parser);
?>
方案一:
PHP
Error Code: " .
// Error code
xml_get_error_code($xml_parser) .
"
Line: " .
// Line number where the error occurred
xml_get_current_line_number($xml_parser) .
"
Column: " .
// Column number where the error occurred
xml_get_current_column_number($xml_parser) .
"
Byte Index: " .
// Byte index where the current byte occurred
xml_get_current_byte_index($xml_parser) . "
"
);
}
}
// Free to xml parser
xml_parser_free($xml_parser);
?>
输出:
ERROR: Mismatched tag
Error Code: 76
Line: 7
Column: 13
Byte Index: 208
极客.xml 文件:
XML
user123
firstname lastname
+91-9876543210
I am John Doe. Live in Kolkata, India.
方案二:
PHP
Error Code: " .
// Error code
xml_get_error_code($xml_parser) .
"
Line: " .
// Line number where the error occurred
xml_get_current_line_number($xml_parser) .
"
Column: " .
// Column number where the error occurred
xml_get_current_column_number($xml_parser) .
"
Byte Index: " .
// Byte index where the current byte occurred
xml_get_current_byte_index($xml_parser) . "
"
);
}
}
// Free to xml parser
xml_parser_free($xml_parser);
?>
输出:
ERROR: String not closed expecting " or '
Error Code: 34
Line: 1
Column: 36
Byte Index: 37
参考: https://www. PHP.net/manual/en/函数.xml 错误字符串。 PHP