What does delete() function do?

Which PHP function sends a raw HTTP header to a client?

Which will return the value of current session id?

What separates a sequence of one or more characters used to specify the boundary between separate text regions?

Which compound type is supported by PHP?

echo substr('Hello world',-4); the right output is?

Correct way to open the file 'sample.txt' as read only?

Which function can convert a comma separated string into an array using a single call?

What will be the output of the following code? elements[] = '$text'; return $this; } public function input($type, $name, $value = ') { $this->elements[] = ''; return $this; } public function textarea($name, $value = ') { $this->elements[] = '$value'; return $this; } public function __toString() { return join('\n', $this->elements); } } $b = new FormBuilder(); echo $b->label('Name')->input('text', 'name')->textarea('message', 'My message');

Which function of String object splits a String object into an array of strings by separating the string into substrings?

Which is not a JavaScript datatype?