45 lines
1.9 KiB
PHP
45 lines
1.9 KiB
PHP
<?php
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include("../db.php");
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$table = isset($_GET['table']) ? $_GET['table'] : '';
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$result = [
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'instruction' => ['min' => '-', 'max' => '-', 'avg' => '-'],
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'input' => ['min' => '-', 'max' => '-', 'avg' => '-'],
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'output' => ['min' => '-', 'max' => '-', 'avg' => '-']
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];
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if ($table && preg_match('/^[a-zA-Z0-9_]+$/', $table)) {
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$sql = "SELECT
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MIN(CHAR_LENGTH(instruction)) as min_instruction,
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MAX(CHAR_LENGTH(instruction)) as max_instruction,
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AVG(CHAR_LENGTH(instruction)) as avg_instruction,
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MIN(CHAR_LENGTH(input)) as min_input,
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MAX(CHAR_LENGTH(input)) as max_input,
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AVG(CHAR_LENGTH(input)) as avg_input,
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MIN(CHAR_LENGTH(output)) as min_output,
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MAX(CHAR_LENGTH(output)) as max_output,
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AVG(CHAR_LENGTH(output)) as avg_output
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FROM `$table`";
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$res = mysqli_query($conn, $sql);
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if ($res && $row = mysqli_fetch_assoc($res)) {
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$result['instruction'] = [
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'min' => $row['min_instruction'] !== null ? $row['min_instruction'] : '-',
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'max' => $row['max_instruction'] !== null ? $row['max_instruction'] : '-',
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'avg' => $row['avg_instruction'] !== null ? round($row['avg_instruction'], 2) : '-'
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];
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$result['input'] = [
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'min' => $row['min_input'] !== null ? $row['min_input'] : '-',
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'max' => $row['max_input'] !== null ? $row['max_input'] : '-',
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'avg' => $row['avg_input'] !== null ? round($row['avg_input'], 2) : '-'
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];
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$result['output'] = [
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'min' => $row['min_output'] !== null ? $row['min_output'] : '-',
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'max' => $row['max_output'] !== null ? $row['max_output'] : '-',
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'avg' => $row['avg_output'] !== null ? round($row['avg_output'], 2) : '-'
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];
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}
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}
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header('Content-Type: application/json');
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echo json_encode($result);
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