What is the output of the following code? $foo = 'bar'; $bar = 'bar' $$foo = 'foo' echo '$foo', '$bar';

function output? Fn($a){ switch($a){ case $a>1: echo '1'; case $a===2: echo '2'; case $a>2: echo '3'; } } outputFn(2); What's the output of the outputFn function?

password_hash() creates a new password hash using a strong one-way hashing algorithm. password_hash() is compatible with crypt(). Therefore, password hashes created by crypt() can be used with password_hash(). In the following sentence: $pass = password_hash('123456', PASSWORD_BCRYPT); echo strlen($pass); how many characters there are in the generated hash? and the hash generated is unique?

What's the output?

Initial value of a integer and float variable?

What's the output?

In PHP5 >= 5.3.0, which new operator was added?

Function to append one or more elements to the end of the array?

Which lines below will output the following string: 'PHP is 'super easy' to use!'

Difference between a method declared as static and a normal method?

$text = 'He went to the school.'; echo strpbrk($text, 'w'); In the above code, what is the output?