1. In PHP, groups of statements that you can execute as a single unit are called 2. A is a variable that is declared outside a function and is available to all parts of your program. 3. The statement is used to execute specific programming code if the evaluation of a conditional expression returns a value of TRUE 4. A is a variable that increments or decrements with each iteration of a loop statement. 5. The foreach statement is used to iterate or loop through the elements in a(n) 6 h.l hrcharacters el he computer or interpreter that the character that fllows it has a special purpose. 7. The function that opens a stream to a text file is called 8. To iterate through the entries in a directory, you open a handle to the directory with the function. function to copy a file with PHP 9. You can use the 10. By default, PHP creates indexed arrays with a starting element of 11. All SQL commands must be terminated by a(n) 12. The S statement is used to select a database. 13. When using the DELETE statement to delete a record, if you omit the null keyword, all records in thetable will be deleted. 14. The function returns the fields in the current row or a value of FALSE when it reaches the last row in the resultset. 15. Which of the following is the correct syntax for a for statement? a. for (Si 0; Si