- Username now set to: nachi
- Username now set to: System
- Username now set to:
- Error
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What will be the output of the following PHP code <php function TV($string) { echo "my favourite TV show is ".$string; function b() { echo " I am here to spoil this code"; } } function b() { echo " I am here to spoil this code"; } b(); >?
Answer: Option 1 This one works because b is declared independent of TV() also.
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What will be the output of the following PHP code <php function TV($string) { echo "my favourite TV show is ".$string; function b() { echo " I am here to spoil this code"; } } function b() { echo " I am here to spoil this code"; } b(); TV("Sherlock"); >?
Answer: Option 2 Function b is declared twice.
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What will be printed after execution of the following program code main() { printf("\\nab"); printf("\\bsi"); printf("\\rha"); }?
Answer: Option 4 \\n - newline - printf("\\nab"); - Prints 'ab' \\b - backspace - printf("\\bsi"); - firstly '\\b' removes 'b' from 'ab ' and then prints 'si'. So after execution...
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What will be the following code's output if choice = 'R' switch(choice) { case 'R' : printf("RED"); case 'W' : printf("WHITE"); case 'B' : printf("BLUE"); default : printf("ERROR");break; }?
Answer: Option 2 As the first option is matching, the cases are evaluated till the break statement is encountered or end of switch statement is encountered.
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What will be the output of the following PHP code <php <php echo "Hello world"; > >?
Answer: Option 4 You can not have php tags inside a php tag.
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What will be the output of the following PHP code <php define("GREETING", "PHP is a scripting language"); echo $GREETING; >?
Answer: Option 2 Constants do not need a $ before them, they are referenced by their variable names itself.
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What will be the output of the following PHP code <php define("__LINE__", "PHP is a scripting language"); echo __LINE__; >?
Answer: Option 3 __LINE__ is a magical constant that gives the current line number and cannot be used a variable/constant name.
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What will be the output of the following PHP code <php echo stripos("I love php, I love php too!","PHP"); >?
Answer: Option 2 The stripos() function finds the position of the first occurrence of a string inside another string.
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What will be the output of the following PHP code <php $username = "jasoN"; if (ereg("([^a-z])",$username)) echo "Username must be all lowercase!"; else echo "Username is all lowercase!"; >?
Answer: Option 2 Because the provided username is not all lowercase, ereg() will not return FALSE (instead returning the length of the matched string, which PHP will treat as TRUE),...
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Which one of the following statements should you use to set the session username to Nachi?
Answer: Option 2 You need to refer the session variable ‘username’ in the context of the $_SESSION superglobal.
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