What is the role of foo in the php statement function ( foo );?
Upgrade to remove ads Show Only SGD 41.99/year
Terms in this set (50)How does the PHP engine process whitespace? Ignores it Which of the following PHP data types stores only true or false values? Boolean Which of the following is an example of a short-style PHP tag? Order processed. '; ?>In PHP which bitwise operation is signified by the pipe (|) character? OR What is the purpose of the semicolon in PHP? statement termination Which of the following is a PHP function used to declare constants? Define Which of the following symbol represents a single-line comment in PHP? // Which of the following statements is false concerning PHP identifiers? Identifiers are case insensitive. PHP string interpolation requires: double quotation marks Which of the following statements tests for equality between the PHP variables $a and $b? $a == $b MySQL is an example of a(n): RDBMS The _________ function reads an arbitrary number of bytes from a file. fread() To open a file in PHP you use the _________ function fopen() Which of the following is an alternative to the PHP file_put_contents() function? fwrite() Which of the following fopen() file modes denotes 'cautious write'? X Disable PHP from opening files via fopen() and FTP by editing: php.ini In PHP a while loop tests for the end of the file by using which function? feof() Which of the following represents a reading lock of the flock() function? LOCK_SH Which of the following is NOT a problem of working with flat files in PHP? When a file becomes small, working with it can be very slow In PHP writing data to a file requires how many steps? 3 An array containing other arrays is known as a(n) ___________ array. Multidimensional The PHP constant ____________ will sort an array as strings depending on the current locale. SORT_LOCALE_STRING PHP indexes start at ________ by default. 0 Which of the following PHP array operators signifies non-identity? !== The statement $products{0} access the ________ element in an array. First Which of the following expression shows a correct PHP array definition? $products = ['Tires', 'Oil', 'Spark Plugs']; The __________ construct can be used to split an array into a number of values. list() The three different PHP sorting functions are sort() asort(), and ksort() What kind of PHP variable stores a single value? Scalar The _________ function modifies every element in an array the same way. array_walk() Which of the following is an alias for the chop() PHP function? rtrim() Which PHP function takes a string as a parameter and replaces all the newlines in it with the HTML n12br() What is the most common delimiter in PCRE regular expressions? / The expression $test = substr_replace($test, 'X', -1); replaces: The last character in $test Which of the following regex tokens anchors your match to the beginning of the subject string? ^ Which of the following conversion specification type codes interprets as an integer and prints as a character? C What is the result of the statement echo strlen("hello");? 5 Which of the following represents the HTML encoding of >? > The trim() function removes whitespace: from the start and end of a string Which of the following PHP expressions can get the domain name from a customer's email address? $email_array = explode('@', $email); A PHP function that calls itself is known as a _________ function. Recursive Which of the following statements is true concerning PHP functions? PHP function names cannot begin with a digit. Calls to PHP Functions: are case-insensitive In PHP the normal way that function parameters are called is known as: pass by value The PHP keyword return: stops the execution of a function What is the role of 'foo' in the PHP statement function('foo');? Parameter Which of the following is a php.ini directive that points to a header file? auto_prepend_file Which of the following is a PHP statement that allows you to load a file into your PHP script? require() A PHP function's __________ lists its parameters and data types. Prototype PHP variables that are declared inside a function are known as: local variables Sets with similar termsCOP3014 Midterm104 terms gabimetallides C programming Test Chapters 7-930 terms ladymolly CSCI 121 Test 2 Set 160 terms TheSaltyFaltys cop 122076 terms quizlette2157204 Sets found in the same folderPHP Welling 6-1160 terms dogtoe23 CPSC-431 Final Exam Study Guide Pt. 2/259 terms mardiaz353 MIS 315342 terms iadnow Chapter 670 terms j_amp Other sets by this creatorISIT350 FInal106 terms dogtoe23 Network Security - Final78 terms dogtoe23 NSCOM 223 Final103 terms dogtoe23 NSCOM 223 Test 253 terms dogtoe23 Recommended textbook solutionsIntroduction to Algorithms3rd EditionCharles E. Leiserson, Clifford Stein, Ronald L. Rivest, Thomas H. Cormen 720 solutions Information Technology Project Management: Providing Measurable Organizational Value5th EditionJack T. Marchewka 346 solutions
Starting Out with C++ from Control Structures to Objects8th EditionGodfrey Muganda, Judy Walters, Tony Gaddis 1,294 solutions
Fundamentals of Database Systems7th EditionRamez Elmasri, Shamkant B. Navathe 687 solutions Other Quizlet setsQuiz 4 - Operating Systems - incase original is de…28 terms MrFrogMonster OS Quiz 1-4 Answers80 terms VS_Brandon INTRO TO WEBDESIGN55 terms andrelina_howard ARRL Extra Ham Study Questions-E2E13 terms dmclambjr Related questionsQUESTION What does a DGI (Dynamic Gait Index) measure? 7 answers QUESTION To get a pop-up menu with mouse right-click, use: 8 answers QUESTION Chaining together if and if/else statements 6 answers QUESTION The signature of a function consists of the function name and its formal parameter lists. 7 answers What is the role of foo in the PHP statement?Foo (pronounced FOO) is a term used by programmers as a placeholder for a value that can change, depending on conditions or on information passed to the program. Foo and other words like it are formally known as metasyntactic variables.
What are variable functions in PHP?PHP Variable Handling Functions. What is PHP function name?Function names follow the same rules as other labels in PHP. A valid function name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. As a regular expression, it would be expressed thus: ^[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*$ . Tip. See also the Userland Naming Guide.
How do you call a function variable in PHP?There are two methods for doing this. One is directly calling function by variable name using bracket and parameters and the other is by using call_user_func() Function but in both method variable name is to be used. call_user_func( $var );
|