Online PHP editor | output for Ov06C

@ 2024-04-15T21:47:22Z

#!/usr/bin/env php
<?php

/**
 * Generate the page order for building a PDF of A4 pages printed as an A5 Booklet form on a MacBook that is
 * missing the proper A5 Booklet form.
 *
 * @return int[]
 */
function getPageList(int $pageCount): array
{
    // Generate a list of page numbers, including additional blank pages required to get the total number of page
    // divisible by 4 to represent the list of A4 pages to be printed in as an A5 Booklet form.
    $pages = $pageCount % 4 !== 0
        ?
        array_merge(
            range(1, $pageCount),
            array_fill(
                $pageCount + 1,
                4 - ($pageCount % 4),
                'blank'
            )
        )
        : range(1, $pageCount);

    $results = [];

    // Extract the pages to be printed in the relevant order for an A5 Booklet form.
    while (count($pages) !== 0) {
        // The page order is last page, first page, first + 1, last - 1.
        // As we remove these pages from $pages, we can repeat this extraction whilst there are no pages to left.
        $results[1 + count($results)] = [
            'Left front' => array_pop($pages),
            'Right front' => array_shift($pages),
            'Right back' => array_shift($pages),
            'Left back' => array_pop($pages),
        ];
    }

    return $results;
}

print_r(getPageList($argv[1]));

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: Warning: Undefined array key 1 in /in/Ov06C on line 43 Fatal error: Uncaught TypeError: getPageList(): Argument #1 ($pageCount) must be of type int, null given, called in /in/Ov06C on line 43 and defined in /in/Ov06C:10 Stack trace: #0 /in/Ov06C(43): getPageList(NULL) #1 {main} thrown in /in/Ov06C on line 10
Process exited with code 255.
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.28: /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.

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