Intro-PHP-HW.docx CSCI 3343 Initials P a g e 1

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1 Intro-PHP-HW.docx CSCI 3343 Initials P a g e 1 If this lab is an Individual assignment, you must do all coded programs on your own. You may ask others for help on the language syntax, but you must organize and present your own logical solution to the problem. No lab is complete until the student submits the signed pledge form associated with that lab. I realize that no coded programs will be graded until I turn in the sign & pledge form associated with that program; any late penalties will continue to compound until the pledge form is submitted. If this lab is a team assignment, both team members may share logic as they program side by side on their own computers. Each person must type all of his/her own code as part of the learning process. Team assignments are never to be You do this portion and I ll do that portion or You do this lab and I ll do the next lab. Some of the lab assignments will have short answer questions. These short answer questions will be spot checked and graded for completion, but not checked for accuracy. I encourage you to get into a study group to help each other prepare for exams, quizzes, etc. Once these labs are graded and returned, I encourage you to compare answers with another class member, in your study group, who has also had the lab graded and returned. I/We realize that the penalty for turning in work that is not my own, or assisting others in doing so, can range from an "F" in the class to dismissal from Trinity University. I realize that it is a violation of academic integrity to share any portion of this lab with any person (outside my 3343 team & professor)! Print Name Time Required =. Hrs. Signature (pledged) Print Name Time Required =. Hrs. Signature (pledged) {Initial/Pledge} I have added the links above to my Main-Menu.php page on my Database Server. DB Introduction To PHP Individual/Team Assignment 35 Points Each Team Member Is To Do All Of Their Own Coding/Typing/Testing Each Person Is To Turn In Their Own Copy Of This Lab Either (1) Write Your Solutions With Pencil (or) (2) Download The Word Document, Copy/Paste Solutions, & Print Your Completed Document Slides & Text 1] PHP is now an acronym for _?_. 2] PHP was created by _?_ in Not on exam. 3] PHP is a server-side S_?_ language designed for web development but also used as a general-purpose programming language

2 Intro-PHP-HW.docx CSCI 3343 Initials P a g e 2 4] PHP is a M_?_ ware language that can be used with both the Apache Web Server and The Internet Information Server. 5] List at least two middleware languages. 6] {T/F} PHP is much slower than Perl and CGI alternatives. 7] {T/F} PHP is open source. 8] PHP tag sets begin with _?_ and end with _?_. 9] {T/F} There can be only one PHP tag set in a single document. 10] The extension on all php files ia _?_. 11] Write the php code to assign Dr.Tom Hicks to the variable Name. 12] PHP uses _?_ {static/dynamic} variable typing. 13]?_ ie the special PHP datatype for an unititalized variable. 14] Write the php code to place your name in a comment. 15] PHP variable x contains some value. Write a single line of PHP code which will display the contents of x in the following format: x = whatever 16] PHP statements end with a(n) _?_. 17] PHP uses two different ways to display output. One is print and the other is _?_. 18] PHP uses two different ways to display output. One is echo and the other is _?_. 19] The PHP symbol for concatenation is _?_. 20] Write a line of code which will display the following in the second biggest and boldest code. Use your name. 21] Write a block of PHP code which will fill variables A with 1, B with 0, and C with -4.

3 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Create Page Quadratic.php. Create function Quadratic -> include the code below. This may be a simple function that includes not error checking/processing. Your function Quadratic shall be passed arguments A, B, C, Root1, Root2 <H2> Quadratic2 - Author : Dr. Tom Hicks </H2> <?PHP -?- FUNCTION Quadratic $R1 = 0; $R2 = 0; Quadratic (2, 4, -6, $R1, $R2); print ("A = 2 <BR>"); print("b = 4 <BR>"); print("c = -6 <P>"); print("r1 = ". $R1. "<BR>"); print("r2 = ". $R2. "<BR>");?> to render:

4 Intro-PHP-HW.docx CSCI 3343 Initials P a g e 4 29] {T/F} Suppose that, after rendering the code above, we were to display the source code through the web server; we would be able to see the code in function Quadratic. 30] Write the output from the following code. $Type = gettype(15.75); print ($Type); 31] Write the output from the following code. $Type = gettype(true); print ($Type); 32] Write the output from the following code. $X = 5; $X += 3; $X /= 4; print "X = ". $X. "<BR>"; 33] Write the output from the following code. $X *= 17; $X %= 5; print "X = ". $X. "<BR>"; 34-38] Create Page FirstPrime.php. Create Function FirstPrime -> include the code below. Even though the solution would be a bit crude, I would like you to use a brute-force solution comprised by a series of if then else statements! This time we will do some error processing: This function is to explicitly return a string the string will contain "0" if there is no prime. This function will return "INVALID - No must be greater than 0" if the number is less than 0. This function will return "INVALID - No must be less than 30" if the number is greater than 30. Otherwise, this function is to explicitly return a string containing the lowest prime number of $No (Less Than Or Equal To No). <H2> FirstPrime - Author : Dr. Tom Hicks </H2> <?PHP -Place FUNCTION FirstPrime Here print "First Prime <= 2 = ". FirstPrime(2). "<BR>"; print "First Prime <= 3 = ". FirstPrime(3). "<BR>"; print "First Prime <= 11 = ". FirstPrime(11). "<BR>"; print "First Prime <= 15 = ". FirstPrime(15). "<BR>"; print "First Prime <= 25 = ". FirstPrime(25). "<BR>"; print "First Prime <= 35 = ". FirstPrime(35). "<BR>"; print "First Prime <= -1 = ". FirstPrime(-1). "<BR>";?> Rendered (with your name) should be:

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6 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which will display the first 40 numbers in the sequence 1, 2, 3, 4. ten to a line. You must use a posttest loop. Include one blank between numbers ] Write a block of PHP code which will display 100 random numbers in the range 1-9 ten to a line. You must use a posttest loop. Include one blank between numbers. Begin with the block of code: 43-44] Write a block of PHP code which will display 100 random numbers in the range ten to a line. You must use a posttest loop. Include one blank between numbers. Begin with the block of code:

7 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which will display the first 30 numbers in the sequence -2. 1, 4, 7,... eight to a line You must use a posttest loop. Include one blank between numbers. Begin with the block of code: 47-48] Write a block of PHP code which will display the first 30 numbers in the sequence 4, 9, 14, 19,... You must use a posttest loop. Include one blank between numbers ] Look up the PHP command to set the seed of the random number generator srand in the space below, describe what srand does,

8 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Create Page RandomNo.php. Create Function RandNo -> include the code below. RandNo will be passed integers Low & High. Explicitly return a random number in the range Low <= X <= High. Explicitly Return "INVALID if Low > High. <H2> RandNo - Author : Dr. Tom Hicks <pre> <?PHP --- function RandNo --- for ($Pos = 1; $Pos <= 100; $Pos ++) { printf ("%5d", RandNo (5,10)); if ($Pos % 10 == 0) print "<BR>"; } print "<P>". RandNo (7,3). "<P>";?> </pre></h2> you should get the output : 55-56] Write a block of PHP code which will display the first 40 numbers in the sequence 1, 2, 3, 4. ten to a line in an 8 character field. You must use a posttest loop. <pre><?php

9 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which will display 100 random numbers in the range 1-9 ten to a line in an eight character field. You must use a pretest loop. Use function RandNo. Begin with the block of code: <pre><?php 59-60] Write a block of PHP code which will display 100 random numbers in the range ten to a line in a ten character field. You must use a pretest loop. Begin with the block of code: <pre><?php 61-62] Write a block of PHP code which will display the first 30 numbers in the sequence -2. 1, 4, 7,... eight to a line You must use a pretest loop. Include one blank between numbers. Begin with the block of code: <pre><?php

10 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which will display the first 30 numbers in the sequence 4, 9, 14, 19,... You must use a pretest loop. Include one blank between numbers ] Write a block of PHP code which will display the first 40 numbers in the sequence 1, 2, 3, 4. ten to a line. You must use a fixed repetition loop. Include one blank between numbers ] Write a block of PHP code which will display 100 random numbers in the range 1-9 ten to a line. You must use a fixed repetition loop. Include one blank between numbers. Use function RandNo. Begin with the block of code:

11 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which will display 100 random numbers in the range ten to a line in a 5 character field. You must use a fixed repetition loop. Use function RandNo. Begin with the block of code: 71-72] Write a block of PHP code which will display the first 30 numbers in the sequence -2. 1, 4, 7,... eight to a line You must use a fixed repetition loop. Include one blank between numbers ] Write a block of PHP code which will display the first 30 numbers in the sequence 4, 9, 14, 19,... You must use a fixed repetition loop. Include one blank between numbers. 75] Write one line of PHP code to create an array, called Faculty, and fill it with Hicks, Myers, Massingill, & Lewis. 76] Write a block of PHP code which will display the number of elements in array Faculty as illustrated below:

12 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write a block of PHP code which contains a for loop which will display the elements of Faculty as illustrated below: 79-80] Write a block of PHP code which contains a foreach loop which will display the elements of Faculty as illustrated below: 81-82] Write the output from the following block of PHP code: $Staff[0] = "Tom"; $Staff[2] = "Dick"; $Staff[1] = "Harry"; foreach ($Staff As $Staffer) print $Staffer. ", "; 83-84] Write the output from the following block of PHP code: $Staff[0] = "Tom"; $Staff[2] = "Dick"; $Staff[1] = "Harry"; for ($pos = 0; $pos < count($staff); $pos ++) print $Staff[$pos]. ", "; 85-86] Write the output from the following block of PHP code: $Nos = Array(3, 4, 8, 1, 2, 7, 6, 5); ASort($Nos); foreach ($Nos As $No) print $No. ", ";

13 Intro-PHP-HW.docx CSCI 3343 Initials P a g e ] Write the output from the following block of PHP code: $Folks = Array("Jane", "Ann", "Tony", "Jill", "Karen"); ASort($Folks); foreach ($Folks As $Folk) print $Folk. ", "; Video & Internet #7 5 Points SQL Basic Select Statement (10 Min) 1] Watch the video above. 2] Write a query that will display the name of the student and the major for which they apply. Display them alphabetically by sname. 3] Write a query that will display the name of the sid, sname, GPA, cname, and enrollment for all students. Display them alphabetically by sname.

14 Intro-PHP-HW.docx CSCI 3343 Initials P a g e 14 Video & Internet #8 3 Points SQL Null Values (4 Min) 1] Watch the video above. 2] Why does the query SELECT sid, sname, GPA FROM Student WHERE (GPA > 3.5) OR (GPA <= 3.5) Not get all of the students in the database? Don't get Kevin or Laurie. 3] What could you add to the query, above, to get all folks? SELECT sid, sname, GPA FROM Student WHERE (GPA > 3.5) OR (GPA <= 3.5) OR 4] When a query includes SELECT count(gpa), those with NULL GPA's _?_ {Would/Would Not} be included. What To Turn In 1] All pages of this lab with questions completed No Lab Is Complete Until Both Are Complete ] You sign & submit the Pledge form at the top of this lab!. No Lab Will Be Considered Complete until this is done. Late penalties will continue to accrue until the pledge form is submitted. a) Sign & Pledge b) Record the amount of time you think you spent on this lab c) Staple all pages of this lab. Fold in half length-wise (like a hot-dog). Put your name on the outside. Place it on the professor desk before the beginning of lecture on the day it is due. The penalty for late homework will not exceed 25% off per day. d) Short answer questions must be hand written, unless the professor has granted an exception for physical reasons. 2] Place all programming code associated with this program, if any, in the Professor s Code Drop Box or on the Virtual System as directed. I do not accept programs by mail; do not submit labs via !

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