Which of the following are valid constant names? (Choose three)
What will be the output of the following PHP code ?
<?php $a = 1; if ($a--) print "True"; if ($a++) print "False"; ?>
You have been given a code snippet as follows:
$somearray = array("hi", "this is a string", "this is a code");
You want to iterate this array and modify the value of each of its elements. Which of the following is the best possible to accomplish the task?
What is the output of the following code snippet?
<?php $a = 20; function myfunction($b) { $a = 30; global $a, $c; return $c = ($b + $a); } print myfunction(40) + $c; ?>
Which of the following expressions multiply the value of the integer variable $a by 4?
Which of the following is used to set a constant?
What is the value displayed when the following is executed? Assume that the code was executed using the following URL:
testscript.php?c=25 <?php function process($c, $d = 25) { global $e; $retval = $c + $d - $_GET['c'] - $e; return $retval; } $e = 10; echo process(5); ?>
What will the output of this function be?
<?php $number = 1234.5678; echo number_format($number, 2, ',', '.') . PHP_EOL;
<?php for ($x = 0; $x <= 10; print ++$x) { print ++$x; } ?>
What will this script output?
<?php function A() { try { b(); } catch (Exception $e) { echo "Exception caught in " . __CLASS__; } } function B() { C(); } try { A(); } catch (Error $e) { echo "Error caught in global scope: " . $e->getMessage(); }
Which of the following options is/are correct regarding variable scopes in PHP?
How should we add a single line comment in our PHP code? i) /? ii) // iii) # iv) /* */
<?php $x = 1; if ($x = $x&0) print $x; else break; ?>
What is the output of:
<?php $a = 10; echo strlen($a) . count($a); do { echo $a . "elephpant "; $a++; } while($a <= 1); ?>
<?php $y = 2; if (--$y == 2 || $y xor --$y) { echo $y; } ?>
What is the output of the following script?
<?php $a = 10; $b = 20; $c = 4; $d = 8; $e = 1.0; $f = $c + $d * 2; $g = $f % 20; $h = $b - $a + $c + 2; $i = $h << $c; $j = $i * $e; print $j; ?>
<?php for(++$i; ++$i; ++$i) { print $i; if ($i == 4) break; } ?>
Which of the following are the core extensions? Each correct answer represents a complete solution. Choose all that apply.
<?php $i = 0; $j = 1; $k = 2; print !(($i + $k) < ($j - $k)); ?>
What is the output of the following line of code?
<?php echo "4" + 05 + 011 + ord('a'); ?>
<?php $b = 1; switch($b) { case 1.0: print "hi"; break; case 1: print "hello"; break; default: print "hi1"; } ?>
What is the length of the hash generated by the crc32() crypto function?
<?php $i = 0; do { $i++; } while ($i < 3); print $i; ?>
What is the output of this scrip?
<?php define('A', 1); const B = 2; define('C', [A * A, B * B]); echo(C[1]);
Which values should be assigned to the variables $a, $b and $c in order for the following script to display the string Hello, World!?
$string = "Hello, World!"; $a = ''; $b = ''; $c = ''; if ($a) { if ($b && !$c) { echo "Goodbye Cruel World!"; } else if (!$b && !$c) { echo "Nothing here"; } } else { if (!$b) { if (!$a && (!$b && $c)) { echo "Hello, World!"; } else { echo "Goodbye World!"; } } else { echo "Not quite."; } } ?>
<?php echo "This", "was", "a", "bad", "idea"; ?>
What is the order of parameters in the mail() function?
mail()
<?php class Constants { define('MIN_VALUE', '0.0'); define('MAX_VALUE', '1.0'); public static function getMinValue() { return self::MIN_VALUE; } public static function getMaxValue() { return self::MAX_VALUE; } } echo Constants::getMinValue(); echo Constants::getMaxValue(); ?>
<?php echo "This","was"|"a","bad"."idea"; ?>
<?php if (print "0") print "hi" ; else print "how are u"; ?>
<?php define('GREETING_TEST', 'PHP is a scripting language', true); echo GREETING_TESt; $changing_variable = 'test'; echo constant('GREETING_' . strtoupper($changing_variable)); ?>
Which of the below symbols is a newline character?
How does the identity operator === compare two values?
===
Choose the appropriate function declaration for the user-defined function is_leap(). Assume that, if not otherwise defined, the is_leap function uses the year 2000 as a default value:
is_leap()
<?php /* Function declaration here */ { $is_leap = (!($year %4) && (($year % 100) || !($year % 400))); return $is_leap; } var_dump(is_leap(1987)); /* Displays false */ var_dump(is_leap()); /* Displays true */ ?>
What is the output of the following code?
<?php $a = 1; function calculate() { global $a; $a += 7; $a = $a * 043; return --$a; } echo $a; ?>
Which version of PHP introduced Try/catch Exception?
Assume that today is January 8th, 2013, 5:16:18 pm in MST time zone.
<?php echo date('l \t\h\e jS'); ?>
<?php $x=1; echo $x-- != ++$x; ?>
Which of the following statements is/are FALSE regarding functions in PHP?
Consider the following PHP script:
<?php function b($a = 4) { $a = $a / 2; return $a; } $a = 10; b($a); echo $a; ?>
What will be the output?
<?php $auth = 1; $status = 1; if ($result = (($auth == 1) && ($status != 0))) { print "result is $result"; } ?>
<?php $i = 5; while (--$i > 0 || ++$i) { print $i; } ?>
What does the following function do, when passed two integer values for $p and $q?
$p
$q
<?php function magic($p, $q) { return ($q == 0) ? $p : magic($q, $p % $q); } ?>
<?php $a = 2; if ($a-- - --$a - $a) print "hello"; else print "hi"; ?>
<?php define("GREETING", "PHP is a scripting language"); echo $GREETING; ?>
42 with two decimal places?
What does the following code snippet do?
$a = `ls -l`;
You run the following PHP script:
<?php $num = -123test; $newnum = abs( $num ); print $newnum; ?>
PHP is a _____ scripting language based on the _____ engine. It is primarily used to develop dynamic _____ content, although it can be used to generate _____ documents (among others) as well.
<? $a=20%-8; echo $a; ?>
<?php $color = red; echo "$color" . red ; ?>
<?php $y = 2; $w = 4; $y *= $w /= $y; echo $y, $w; ?>
Which of the following type of variables are special variables that hold references to resources external to PHP (such as database connections)
<?php define("__LINE__", "PHP is a scripting language"); echo __LINE__; ?>
What will be the output of the following PHP code?
<?php $total = "25 students"; $more = 10; $total = $total + $more; echo "$total"; ?>
<? echo (int) "1235Jason"; ?>
The ____ operator returns True if either of its operands can be evaluated as True, but not both.
<?php class Foo { ?> <?php function bar() { print "bar"; } } ?>
which is correct?
What is the output of the following line of code:
<?php $a = 4 << 2 + 1; echo $a; ?>
Consider the following code:
<?php $a; for($a=1;$a<=100;$a++) { if($a==50) { continue; } print($a); } ?>
What will be the output of the program?
Which of the following is NOT a valid PHP variable name?
<?php $color = 'red'; echo "\$color"; ?>
<?php $one = "Hello"; $two = "World"; echo "$one"+"$two"; ?>
<?php function calc() { $x=10; $b=++$x; print($b); } calc(); ?>
What will be the value of the variable b?
Considering the following code, what will the output be?
<?php $a = "0.0"; $b = (int)$a; if ( (boolean)$a === (bool)$b) { echo "True"; } else { echo "False"; }
<?php $i = 0; while ($i++) { print $i; } print $i; ?>
What is the output of this script?
<?php $a = "apples" <=> "bananas"; $b = $a ?? $c ?? 10; echo $b;
<?php $x = 10; $y = 4; $z = 3; echo $x % $y % $z; ?>
Which of the below provided options is correct regarding the below code?
<?php $a = array (1, 2, 3); $b = array (1 => 2, 2 => 3, 0 => 1); $c = array ('a' => 1, 'b' => 2, 'c' => 3); var_dump ($a == $b); var_dump ($a === $b); var_dump ($a == $c); ?>
What would you replace ??????? with, below, to make the string Hello, World! be displayed?
function myfunction() { /* ??????? */ echo $string; } myfunction("Hello, World!");
<?php $a = "foo"; $$a = "bar"; $a = "Hello world"; echo ${"foo"}; ?>
<?php $x = 1; if ($x = $x&0) print $x ; else print "how are u"; ?>
Which of the following code can be used to create case insensitive constant?
<?php $x; for ($x = -3; $x < -5; ++$x) { print ++$x; } ?>
What is the result of the following bitwise operation in PHP?
1 ^ 2
<?php $a = 1; if (echo $a) print "True"; else print "False"; ?>
<?php $x; if ($x) print "hi" ; else print "how are u"; ?>
Which of the following is NOT a valid PHP comparison operator?
You run the following script:
<?php $a = 6 - 10 % 4; echo $a; ?>
Which of the following is used to convert all applicable characters to HTML entities?
<?php $i = 0; while ($i = 10) { print "hi"; } print "hello"; ?>
What is the output of the following PHP code?
define("FOO", 10); $array = [10 => FOO, "FOO" => 20]; echo $array[$array[FOO]] * $array["FOO"];
<?php $a=12; $b=11; $a>$b ? print($a) : print($b); ?>
<?php for(;;) { print "10"; } ?>
Run-time inclusion of a PHP script is performed using the ____ construct, while compile-time inclusion of PHP scripts is performed using the ____ construct.
<?php $i=0; for (1; $i == 1; $i = 2) print "In for loop "; print "After loop\n"; ?>
<?php echo "echo "Hello World""; ?>
Which of the following statements are true when applied to a Registry pattern? (choose two)
<?php $color = "maroon"; $var = $color[2]; echo "$var"; ?>
Which of the following are valid identifiers (Choose 3)
<?php $x = 10; $y = 20; if ($x > $y && 1||1) print "hi" ; else print "how are u"; ?>
<?php $team = "arsenal"; switch ($team) { case "manu": echo "I love manu"; case "arsenal": echo "I love arsenal"; case "manc": echo "I love manc"; } ?>
<?php $x = 10; $y = 5; $z = 3; if ($x / $y / $z) print "hi"; else print "hello"; ?>
What will the following script output?
<?php $x = 3 - 5 % 3; echo $x; ?>
What is the output from this script?
<?php $a = true; $b = false; $ampBool = $a && $b; $andBool = $a and $b; var_dump($ampBool == $andBool); ?>
<?php $i = 0; $j = 0; if ($i && ($j = $i + 10)) { echo "true"; } echo $j; ?>
$array = '0123456789ABCDEFG'; $s = ''; for ($i = 1; $i < 50; $i++) { $s .= $array[rand(0,strlen ($array) - 1)]; } echo $s;
Which one of the following four logical operators of PHP is not binary?
What set of value it will give?
$data = "foo:*:1023:1000::/home/foo:/bin/sh"; list($user, $pass, $uid, $gid, $gecos, $home, $shell) = explode(":", $data); echo $user; echo $pass;
<?php $a = "Hello"; $B = " world"; ECHO $a . $b;
Which of the following data types are compound data types?
<?php $a = 5; $b = 4; $c = ($a++ * ++$b); echo $c; ?>
<?php $y = 2; if ($y-- == ++$y) { echo $y; } ?>
What is the difference between the include and require language constructs?
include
require
<?php $i = 0 while ($i != 3) { print "hi"; $i++; } ?>
Which of the following logical operators is an equivalence logical operator?
What does PHP stand for? i) Personal Home Page ii) Hypertext Preprocessor iii) Pretext Hypertext Processor iv) Preprocessor Home Page
What will the output of the following code be?
<?php $a = range(3,9); foreach ($a as $b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-',$a); ?>
echo "Apples"<=>"bananas" ? 'foo' : 'bar';
<?php const $b = 1; switch($b) { case 1: print "hi"; break; case 1: print "hello"; break; default: print "hi1"; } ?>
Which PHP functions may be used to find out which PHP extensions are available in the system?
<?php $a = "hello"; if ($a.length) print $a.length; else print "hi"; ?>
<?php if (0.0) print "hi" ; else print "how are u"; ?>
What would happen when the following code was run?
<?php define('Tree', 'oak'); echo 'This tree is: ' . tree; ?>
<?php $a = 10; if (1) print "all"; else print "some" else print "none"; ?>
<?php $score = 1234; $scoreboard = (array) $score; echo $scoreboard[0]; ?>
<?php $y = 2; if (**$y == 4) { echo $y; } ?>
<?php $x = 1; if ($x--) print "hi" $x--; else print "hello" ?>
<?php $arr1 = [1,2,3]; $arr2 = array("1" => 2, 0 => "1", 2 => 3 ); $equal = $arr1 == $arr2 ? 'Equal' : 'Not Equal'; $identical = $arr1 === $arr2 ? 'Identical' : 'Not Identical'; echo "The arrays are [$equal] and [$identical]";
Function world() is defined in the namespace 'myapp\utils\hello'. Your code is in namespace 'myapp'. What is the correct way to import the hello namespace so you can use the world() function?
world()
Which of the following type of variables are special type that only has one value: NULL?
<?php echo 'Hello World'; <html> Hello world </html> ?>
<?php $a = 12; --$a; echo $a++; ?>
<?php function odd(){ for($i=1; $i<=50; $i=$i+2) { echo "$i"; } } echo "The last value of the variable \$i: $i"; ?>
<?php $x=0; $i; for($i=0;$i<5;$i++) { $x+=$i; } print($x); ?>
What will be the value of x?
What will be the output of the following code -
$Rent = 250; function Expenses($Other) { $Rent = 250 + $Other; return $Rent; } Expenses(50); echo $Rent;
Consider the following script:
<?php echo date("M-d-Y", mktime(0, 0, 0, 12, 32, 1995)); ?>
What will be the output of the above script?
<?php $i = 2; while (++$i) { while ($i --> 0) print $i; } ?>
What will this code output?
namespace A; function Hello() { echo __NAMESPACE__; } namespace B; function Hello() { echo __NAMESPACE__; } namespace C; \B\Hello();
What is displayed when the following script is executed?
<?php define(myvalue, "10"); $myarray[10] = "Dog"; $myarray[] = "Human"; $myarray['myvalue'] = "Cat"; $myarray["Dog"] = "Cat"; print "The value is: "; print $myarray[myvalue]."\n"; ?>
<?php define('FOO', 10); $array = array(10 => FOO,"FOO" => 20); print $array[$array[FOO]] * $array["FOO"]; ?>
<?php $a = 0b0010; $b = 0b0001; echo gettype($a & $b);
<?php $var1 = 3; print $var = ++$var; ?>
What gets printed?
<?php $RESULT = 11 + 011 + 0x11; echo "$RESULT"; ?>
<?php $x = 1; $y = 2; if (++$x == $y++) { echo "true ", $y, $x; } ?>
<?php $user = array("Ashley", "Bale", "Shrek", "Blank"); for ($x=0; $x < count($user) - 1; $x++) { if ($user[$x++] == "Shrek") continue; printf ($user[$x]); } ?>
<php echo 0x33, ' birds sit on ', 022, ' trees.'; ?>
Which of the following functions returns current Unix timestamp?
when PHP is running on a command line, what super-global will contain the command line arguments specified?
Can I generate DLL files from PHP scripts like i can in Perl ?
<?php class myObject { } define('myObject::CONSTANT', 'test'); echo myObject::CONSTANT; ?>
Consider the following segment of code:
<?php define("STOP_AT", 1024); $result = array(); /* Missing code */ { $result[] = $idx; } print_r($result); ?>
What should go in the marked segment to produce the following array output?
Array { [0] => 1 [1] => 2 [2] => 4 [3] => 8 [4] => 16 [5] => 32 [6] => 64 [7] => 128 [8] => 256 [9] => 512 }
<?php $b = 1; $c = 4; $a = 5; $d = $b + $c == $a; print $d; ?>
What is the result when the following PHP code involving a boolean cast is executed?
<?php var_dump( (bool) 5.8 ); ?>
In which of the following ways does the identity operator === compare two values?
<? $a = "b"; $b = 20; echo $$a; ?>
Which of the following will you use to iterate a PHP associative array?
<?php $a=5; $b=12; $c=10; $d=7; $e=($a*$b)+$c*$d/$a; print($e); ?>
What will be the output of the above code?
<?php $x; if ($x == 0) print "hi" ; else print "how are u"; print "hello" ?>
<?php $i = 10; $j = 0; if ($i || ($j = $i + 10)) { echo "true"; } echo $j; ?>
<?php $i = 0; while ((--$i > ++$i) - 1) { print $i; } ?>
<?php echo strtotime("january 1, 1901"); ?>
What will be the output of the above PHP script if the older versions of glibc are present in the operating system?
Fred works as a Web developer in Fastech Inc. He writes the following script:
<?php $s = 2; switch ($s) { case 1: print("Fred"); break; case 2: print("Fast"); case 3: print("Tech"); default: print("default"); } ?>
What will be displayed as output when Fred attempts to run this PHP script?
Which of the following are valid PHP variables?
<?php $a = "0"; $c = $b = empty($a); $d = ++$b + $a; echo $d;
Which language construct can best represent the following series of if conditionals?
<?php if($a == 'a') { somefunction(); } else if ($a == 'b') { anotherfunction(); } else if ($a == 'c') { dosomething(); } else { donothing(); } ?>
namespace A; $closure = function() { echo __NAMESPACE__; }; namespace B; $closure = function() { echo __NAMESPACE__; }; namespace C; $closure();
What will be the output if we declare "ob_start()" function in PHP?
Which of the following is not valid PHP code?
Which of the following tags should you avoid using to include php in htML?
<?php $a = 10; echo ++$a; echo $a++; echo $a; echo ++$a; ?>
<?php $sale = 200; $sale = $sale- + 1; echo $sale; ?>
Which of the following PHP variable names is not a valid variable name?
What is the output of this code?
<?php define('PI', 3.14159625); define('_PI', "3.1459625"); $radius = 10; if (PI == _PI) { $area = (int)PI * $radius ** 2; echo $area; } else { echo "dhaka"; }
Which of the following are superglobals in PHP? (choose three)
Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?
Which of the following are NOt case sensitive in php? Choose all that apply.
<?php for ($i = 0; $i % ++$i; $i++) { print"i"; } ?>
<?php define('IF', 42); echo "IF: ", IF; ?>
<?php for ($i = 0; $i < 5; $i++) { for ($j = $i;$j > $i; $i--) print $i; } ?>
Which of the following is NOT a strongly typed language?
<?php function myfunction($a, $b = true) { if($a && !$b) { echo "Hello, World!\n"; } } $s = array( 0 => "my", 1 => "call", 2 => '$function', 3 => ' ', 4 => "function", 5 => '$a', 6 => '$b', 7 => 'a', 8 => 'b', 9 => '' ); $a = true; $b = false; /* Group A */ $name = $s[?].$s[?].$s[?].$s[?].$s[?].$s[?]; /* Group B */ $name(${$s[?]}, ${$s[?]}); ?>
Each ? in the above script represents an integer index against the $s array. In order to display the Hello, World! string when executed, what must the missing integer indexes be?
$s
<?php $a = "1"; $b = "0"; if ((int)$a && $b) print"hi"; else print "hello"; ?>
Which of the below statements is equivalent to $add += $add ?
How can a script come to a clean termination?
What will the output of this code be?
<?php $result = echo print("Hello world!"); var_dump($result);
<?php $a = 42 & 05 + 17; echo $a; ?>
Which of the following options shows the correct IF statement format?
Which of the following is NOT a magic predefined constant?
<?php print_r "Hello world" ?>
<?php $one = "one"; $two = "two"; print($one,$two); ?>
<?php function add() { $x=10; $y=5; $x+=$y; } ?>
What will be the value of x and y?
<html> <head> <title> This is a test script. </title> </head> <body> <?php echo (int) ((0.1 + 0.7) * 10); ?> </body> </html>
What will be the output of the PHP script?
Which of the following is related to APC (Alternative PHP Cache)?
Which of the following equivalence operations evaluates to true if the two operands are not of the same data type or do not have the same value?
<?php define("VAR_NAME","test"); ${VAR_NAME} = "value"; echo VAR_NAME; echo ${VAR_NAME}; ?>
What is the output of this PHP code?
<?php echo (isset($a)) ? "A is set" : "A is not set"; echo " and "; echo (empty($b)) ? "B is not set" : "B is set";
<?php if (print "hi" - 1) print "hello" ?>
What is the difference between print() and echo()?
<?php function modvalue() { $a=20; $b=4; $c=$a%$b; print($c); } modvalue(); ?>
What will be the value of the variable c?
Who is the father of PHP?
<?php $a = 1; $b = 1; $d = 1; print ++$a + ++$a+$a++; print $a++ + ++$b; print ++$d + $d++ + $a++; ?>
Mark works as a Web Application Developer for Blue Solutions Inc. He writes the following code:
<?php $x =25; while($x<10) { $x--; } print ($x); ?>
What will be the output when Mark tries to compile and execute the code?
What is the output of the following?
<?php $a = 7; $b = 4; function b($a, $b) { global $a, $b; $a += 7; $a++; $b += $a; return true; } echo $b, $a; ?>
What is the output of following code?
$a = 1; ++$a; $a *= $a; echo $a--
How can we create a unique random password in PHP?
<?php $on$e = 1; $tw$o = 2; $thre$e = 3; $fou$r = 4; echo "$on$e / $tw$o + $thre$e / $fou$r"; ?>
You work as a Web Developer for Remote Inc. What will be the output when you try to run the script below?
<?php $b = false; if($b = true) print("true"); else print("false"); ?>
What will be the output of the following code snippet?
<?php $a = 1; $b = 2; $c = 0xAF; $d = $b + $c; $e = $d * $b; $f = ($d + $e) % $a; print($f + $e); ?>
What will the code output?
<?php $a = 0; $b = $a++; $a = $a + 1; echo --$a;
<?php $a = 3; echo $a >> 1;
What will be the output of the following code?
<?php $foo = 'Bob'; $bar = &$foo; $bar = "My name is $bar"; echo $bar; echo $foo; ?>
How to use header() function in PHP correctly?
what is the output of the following script?
<?php function fibonacci ($x1, $x2) { return $x1 + $x2; } $x1 = 0; $x2 = 1; for($i = 0; $i < 10; $i++){ echo fibonacci ($x1, $x2). ','; } ?>
<? 10 = $a; echo $a; ?>
<?php echo 10 <=> 10 << 1;
<?php $i = 2; while (++$i) { while (--$i > 0) print $i; } ?>
Which of the following is a valid namespace operator in PHP?
<?php $num = 1; $num1 = 2; print $num . "+". $num1; ?>
Which statement will output $x on the screen?
$x
What is the value of $x in the following code snippet?
<?php $x = 123 == 0123; ?>
<?php $one = "one"; $two = "two"; print($one==$two); ?>
<?php $i = 0; while (++$i && --$i) { print $i; } ?>
The PHP syntax is most similar to:
<?php for ($count = 1; $count < 20; $count++); print $count; ?>
what will the following code produce?
define('CONSTANT', 1); define('_CONSTANT', 0); define('EMPTY', ''); if(!empty(EMPTY)){ if(!((boolean) _CONSTANT)){ print "One"; } } else if(constant('CONSTANT') == 1){ print "Two"; }
What is the output of the following PHP script?
$a = 1; $b = 2.5; $c = 0xFF; $d = $b + $c; $e = $d * $b; $f = ($d + $e) % $a; echo ($f + $e);
Which of the following gives a string containing PHP script file name in which it is called?
Which of the following options is NOT as valid tag for PHP 7.1 script?
<? echo (int) "Jason 1235"; ?>
what is the name of the error level constant that is used to designate PHP code that will not work in future versions?
Which is the right way of declaring a variable in PHP? i) $3hello ii) $_hello iii) $this iv) $This
Which of the following is a magic constant?
Mark works as a Web Developer for Unicorn Inc. He develops an application in PHP using the following code:
<?php switch(1) { case 1: print("Book Details"); case 2: print("Book Author"); default: print("Missing Book"); } ?>
What will be the output of the script?
<?php $a = 0x6db7; print $a<<6; ?>
<?php $var1 = 1; echo $var1 = ++$var1 % 2 + ++$var1; ?>
What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?
<?php class MyException extends Exception {} class ChildException extends MyException {} try { throw new ChildException; } catch (Exception $e) { echo "Caught Exception: " . get_class($e); } catch (MyException $e) { echo "Caught MyException" . get_class($e); }
<?php $y = 2; if (--$y <> ($y != $y++)) { echo $y; } ?>
<?php $b = 3; switch($b) { case 2: print "hello"; break; case 1: print "hi"; break; } ?>
The function gc_collect_cycles() is used to do which of the following?
gc_collect_cycles()
<?php $a=5 < 2; echo (gettype($a)); ?>
What is the best way to iterate through the $myarray array, assuming you want to modify the value of each element as you do?
$myarray
<?php $myarray = array ("My String", "Another String", "Hi, Mom!"); ?>
What should be the correct syntax to write a PHP code?
<?php $one = "one"; $two = "two"; print($one$two); ?>
<?php $a = 1.23; $b = 4.56; $c = (int)$a + (int)$b; echo (double)$c;
<?php $x = 1; function print_conditional() { static $x; if($x++ == 1) echo "many"; echo "good"; echo "things"; return $x; } print_conditional(); $x++; print_conditional(); ?>
<?php function track() { static $count = 0; $count++; echo $count; } track(); track(); track(); ?>
<?php $var1 = 1 + ++5; echo $var1; ?>
<?php for ($i = 0;$i = -1;$i = 1) { print $i; if ($i != 1) break; } ?>
<?php $one = "one"; $two = "one"; print($one == $two); ?>
Which of the following statements explains the difference between print() and echo()?
which one of these variables has illegal name?
<?php for ($i = 0; -5 ; $i++) { print"$i"; if ($i == 3) break; } ?>
<?php for($x = 1; $x <= 2; $x++){ for($y = 1; $y <= 3; $y++){ if ($x == $y) continue; print("x = $x y = $y"); } } ?>
What will be the output? Each correct answer represents a complete solution. Choose all that apply.
You developed a big application accessed by several thousand users at the same time. Suddenly, your web server stops responding and users are getting connection errors.What could have happened?
How do we access the value of 'd' later?
$a = array( 'a', 3 => 'b', 1 => 'c', 'd' );
Which of the conditional statements is/are supported by PHP? i) if statements ii) if-else statements iii) if-elseif statements iv) switch statements
What is the return value of echo statement in PHP?
echo
<?php $a = 5; $b = -7; $c =0; $d = ++$a && ++$b || ++$c; print $d; print $a; ?>
Which of the following operators has the highest precedence order?
What is the output of the following code:
<?php function a($a) { echo $a . "&"; } function b($a) { echo "-" . $a; } $a = "!"; $b = &$a; echo a(b($b)); ?>
<?php $i = ""; while ($i) { print "hi"; } while($i < 8) { $i++; print "hello"; } ?>
What is the value of $a and $b after the function call?
<?php function doSomething( &$arg ) { $return = $arg; $arg += 1; return $return; } $a = 3; $b = doSomething( $a ); ?>
<?php $a = '12345'; echo "qwe$arty"; ?>
<?php $a = 0xf2 + 0x09; $b = $a >> 3; echo $b; ?>
<html> <head> <title> This is a test script. </title> </head> <body> <?php echo 'This is some sample text'; ?> </body> </html>
Which of the following tags is used in the php script?
What will be the output of the following PHP script:
<?php function modifyArray (&$array) { foreach ($array as &$value) { $value = $value + 2; } $value = $value + 3; } $array = array (1, 2, 3); modifyArray($array); print_r($array); ?>
<?php function A() { try { b(); } catch (Exception $e) { echo "Exception caught in " . __CLASS__; } } function B() { echo 5 / "five"; } try { A(); } catch (Error $e) { echo "Error caught in global scope: " . $e->getMessage(); }
<?php $i = 0 do { print "hi"; $i++; } while ($i != 3); ?>