PHP error message explanation

Introduction: This is a detailed page for PHP error message explanation. It introduces the related knowledge, skills, experience, and some PHP source code for PHP error message explanation.

Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 360993 'rolling = 'no'>
When I was learning PHP, I often encountered various error prompts. Today I am very familiar with the error prompts and explanations. Now I want to learn from them. Haha .....

1. Notice: undefined variable: variable name in

Note: An unspecified variable is used.

2. parse error: syntax error, unexpected t_else in

If (){

} Else if (){

}

Echo $ test;

Else {

}

Note: The if else sentence is incorrect.

3. parse error: syntax error, unexpected $ end in D

Note: Generally, braces do not match.

4. parse error: syntax error, unexpected t_string in

Note: Generally, you forget to write a semicolon at the end of a sentence.

5. Warning: invalid argument supplied for foreach () in

Note: The first parameter of foreach must be an array.

6. Warning: mysql_fetch_assoc (): supplied argument is not a valid MySQL result resource in

Note: This indicates that the preceding SQL statement failed to be returned. It may be an SQL statement error. If the analysis fails, you can print the mysql_error (). Check the specific error.

7. No Database Selected

Note: Generally, the database is not connected.

8. Warning: mysql_connect () [function. mysql-connect]: Access denied for user 'root' @ 'localhost' (using password: Yes) in ..... On line 3

Access denied for user 'root' @ 'localhost' (using password: Yes)

Note: The database username and password are incorrect.

9. Unknown database 'cms01_1 ′

Note: This database does not exist.

10. Table 'cms0726. test' doesn' t exist

Note: The table does not exist.

11. Unknown column 'abc' in 'field list'

Note: The field does not exist.

12. column count doesn't match value count at Row 1

Note: The number of Field Values in SQL statements is different from that of field names.

13. Warning: Wrong parameter count for function name in

Note: The number of function logarithm is less.

14. Fatal error: smarty error: [In message_list.html line 22]: syntax error: 'foreach: item' must be a variable name (literal string)

Note: if you look at the row number, it means that the item after foreach must be followed by a variable name without adding $. It is a string (Note: There is no single-double quotation)

15. Fatal error: smarty error: [In message_list.html line 24]: syntax error: Unrecognized Tag: msg. message_id

Note: $ is missing before the variable in the template

16,

Warning: smarty error: unable to read resource: cannot message_list1.html "in

Note: The template file cannot be found. Check whether the file name is incorrect or the file is stored in another directory.

17. Fatal error: cannot redeclare get_sort1 () (previusly declared in

Note: The function has been defined and cannot be redefined.

Love J2EE follow Java Michael Jackson video station JSON online tools

Http://biancheng.dnbcw.info/php/360993.html pageno: 1.