The image displays a computer monitor positioned in what appears to be a workstation in Vila Real, Portugal. The monitor's screen shows a dark-themed integrated development environment, identified as Visual Studio Code, displaying source code. The active file is "ex3.php," which contains HTML and embedded PHP. The HTML structure specifies `lang="pt"` (Portuguese) and has a title of "ex3." The PHP script processes `$_GET` parameters 'num' and 'oper'. A `switch` statement based on 'oper' is implemented with three cases: `case 1:` performs `$n = 2 * $n * $n;`, `case 2:` calculates `$n = $n * $n * $n * $n;`, and `case 3:` computes `$r = sqrt($n);`. The output line is in Portuguese: "echo "O resultado da operacão solicitada foi: $r";". The bottom of the monitor shows black cables resting on a light-colored, flat surface. The background consists of a light-colored wall to the left and a prominent, textured vertical concrete or stone pillar to the right of the monitor. A strong glare from an external light source is reflected on the upper right portion of the monitor screen. in Vila Real, Portugal

Plat4i20

Mar 20, 2026, 4:22 PM

Vila Real, Portugal

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The image displays a computer monitor positioned in what appears to be a workstation in Vila Real, Portugal. The monitor's screen shows a dark-themed integrated development environment, identified as Visual Studio Code, displaying source code. The active file is "ex3.php," which contains HTML and embedded PHP. The HTML structure specifies `lang="pt"` (Portuguese) and has a title of "ex3." The PHP script processes `$_GET` parameters 'num' and 'oper'. A `switch` statement based on 'oper' is implemented with three cases: `case 1:` performs `$n = 2 * $n * $n;`, `case 2:` calculates `$n = $n * $n * $n * $n;`, and `case 3:` computes `$r = sqrt($n);`. The output line is in Portuguese: "echo "O resultado da operacão solicitada foi: $r";". The bottom of the monitor shows black cables resting on a light-colored, flat surface. The background consists of a light-colored wall to the left and a prominent, textured vertical concrete or stone pillar to the right of the monitor. A strong glare from an external light source is reflected on the upper right portion of the monitor screen.

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