What will be the output of the following PHP code <php $str = "Hello! My name is Cameron Fox. Coffee" $find = array('/is/','/coffee/'); $replace = array('/was/','/tea/'); echo preg_replace ($find, $replace, $str); >?

LohaHridoy
  1. Hello! My name was Cameron Fox. tea?
  2. Hello! My name is Cameron Fox. tea?
  3. Hello! My name is Cameron Fox. Coffee?
  4. Hello! My name was Cameron Fox. Coffee?

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Answer: Option 4

Coffee was not replaced because the preg_replace function is case sensitive. Therefore it treats coffee and Coffee differently.

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What will be the output of the following PHP code <php $name = "What is your name" if (preg_match("/name/"),$name) echo "My name is Will Pitt "; else echo "My name is not Will Pitt "; if (preg_match("/are/")) echo "I am great" else echo "I am not great"; >?

Answer: Option 3 The code uses preg_match to check for a keyword and replies based on whether it is true (1) or false (0).

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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 the output of the following PHP code <php $team = "arsenal"; switch ($team) { case "manu": echo "I love man u"; case "arsenal": echo "I love arsenal"; case "manc": echo "I love manc"; } >?

Answer: Option 3 If a break statement isn’t present, all subsequent case blocks will execute until a break statement is located.

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What will be the output of the following PHP code <php $color = "red"; echo "$color"; echo "$COLOR"; echo "$Color"; >?

Answer: Option 3 In PHP, all variables are case-sensitive.

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What will be the output of the following PHP code <php $fruits = array ("apple", "orange", "banana"); echo (next($fruits)); echo (next($fruits)); >?

Answer: Option 1 The next() function returns the array value residing at the position immediately following that of the current array pointer.

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What will be the output of the following PHP code <php $array = array("red", "green"); array_push($array, "blue", "yellow"); print_r($array); >?

Answer: Option 1 The array_push() function inserts one or more elements to the end of an array.

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What will be the output of the following PHP code <php $str = addslashes('What does "yolo" mean'); echo($str); >?

Answer: Option 3 The addslashes() function returns a string with backslashes in front of predefined characters.

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What will be the output of the following PHP code <php $str = "Hello world. It's a beautiful day."; print_r (explode(" ",$str)); >?

Answer: Option 2 The explode() function breaks a string into an array.

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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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