This certification validates practical skills in system administration and infrastructure, including deployment, administration, troubleshooting, and resilience. It is intended for professionals operating dependable enterprise technology environments.
What is the output of the following code?
echo '1' . (print '2') + 3;
What is the output of the following code?
$a = 3;
switch ($a) {
case 1: echo 'one'; break;
case 2: echo 'two'; break;
default: echo 'four'; break;
case 3: echo 'three'; break;
}
What is "instanceof" an example of?
Which of the following may be used in conjunction with CASE inside a SWITCH statement?
What is the output of the following code?
$a = 'a'; $b = 'b';
echo isset($c) ? $a.$b.$c : ($c = 'c').'d';