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<?php // Say we have a 74-page file $num_pages = 74; // Fill and array. $pages = range(1, $num_pages); $sections = array(); for ($i = 1; $i <= $pages; $i = $i+2) { $next = $i+1; $sections[] = "pdftk A=the.pdf cat A{$i}-{$next} output the_pages_{$i}-{$next}.pdf"; if ($i > 50) { break; } } print_r($sections);
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => pdftk A=the.pdf cat A1-2 output the_pages_1-2.pdf [1] => pdftk A=the.pdf cat A3-4 output the_pages_3-4.pdf [2] => pdftk A=the.pdf cat A5-6 output the_pages_5-6.pdf [3] => pdftk A=the.pdf cat A7-8 output the_pages_7-8.pdf [4] => pdftk A=the.pdf cat A9-10 output the_pages_9-10.pdf [5] => pdftk A=the.pdf cat A11-12 output the_pages_11-12.pdf [6] => pdftk A=the.pdf cat A13-14 output the_pages_13-14.pdf [7] => pdftk A=the.pdf cat A15-16 output the_pages_15-16.pdf [8] => pdftk A=the.pdf cat A17-18 output the_pages_17-18.pdf [9] => pdftk A=the.pdf cat A19-20 output the_pages_19-20.pdf [10] => pdftk A=the.pdf cat A21-22 output the_pages_21-22.pdf [11] => pdftk A=the.pdf cat A23-24 output the_pages_23-24.pdf [12] => pdftk A=the.pdf cat A25-26 output the_pages_25-26.pdf [13] => pdftk A=the.pdf cat A27-28 output the_pages_27-28.pdf [14] => pdftk A=the.pdf cat A29-30 output the_pages_29-30.pdf [15] => pdftk A=the.pdf cat A31-32 output the_pages_31-32.pdf [16] => pdftk A=the.pdf cat A33-34 output the_pages_33-34.pdf [17] => pdftk A=the.pdf cat A35-36 output the_pages_35-36.pdf [18] => pdftk A=the.pdf cat A37-38 output the_pages_37-38.pdf [19] => pdftk A=the.pdf cat A39-40 output the_pages_39-40.pdf [20] => pdftk A=the.pdf cat A41-42 output the_pages_41-42.pdf [21] => pdftk A=the.pdf cat A43-44 output the_pages_43-44.pdf [22] => pdftk A=the.pdf cat A45-46 output the_pages_45-46.pdf [23] => pdftk A=the.pdf cat A47-48 output the_pages_47-48.pdf [24] => pdftk A=the.pdf cat A49-50 output the_pages_49-50.pdf [25] => pdftk A=the.pdf cat A51-52 output the_pages_51-52.pdf )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => pdftk A=the.pdf cat A1-2 output the_pages_1-2.pdf [1] => pdftk A=the.pdf cat A3-4 output the_pages_3-4.pdf [2] => pdftk A=the.pdf cat A5-6 output the_pages_5-6.pdf [3] => pdftk A=the.pdf cat A7-8 output the_pages_7-8.pdf [4] => pdftk A=the.pdf cat A9-10 output the_pages_9-10.pdf [5] => pdftk A=the.pdf cat A11-12 output the_pages_11-12.pdf [6] => pdftk A=the.pdf cat A13-14 output the_pages_13-14.pdf [7] => pdftk A=the.pdf cat A15-16 output the_pages_15-16.pdf [8] => pdftk A=the.pdf cat A17-18 output the_pages_17-18.pdf [9] => pdftk A=the.pdf cat A19-20 output the_pages_19-20.pdf [10] => pdftk A=the.pdf cat A21-22 output the_pages_21-22.pdf [11] => pdftk A=the.pdf cat A23-24 output the_pages_23-24.pdf [12] => pdftk A=the.pdf cat A25-26 output the_pages_25-26.pdf [13] => pdftk A=the.pdf cat A27-28 output the_pages_27-28.pdf [14] => pdftk A=the.pdf cat A29-30 output the_pages_29-30.pdf [15] => pdftk A=the.pdf cat A31-32 output the_pages_31-32.pdf [16] => pdftk A=the.pdf cat A33-34 output the_pages_33-34.pdf [17] => pdftk A=the.pdf cat A35-36 output the_pages_35-36.pdf [18] => pdftk A=the.pdf cat A37-38 output the_pages_37-38.pdf [19] => pdftk A=the.pdf cat A39-40 output the_pages_39-40.pdf [20] => pdftk A=the.pdf cat A41-42 output the_pages_41-42.pdf [21] => pdftk A=the.pdf cat A43-44 output the_pages_43-44.pdf [22] => pdftk A=the.pdf cat A45-46 output the_pages_45-46.pdf [23] => pdftk A=the.pdf cat A47-48 output the_pages_47-48.pdf [24] => pdftk A=the.pdf cat A49-50 output the_pages_49-50.pdf [25] => pdftk A=the.pdf cat A51-52 output the_pages_51-52.pdf )

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185.65 ms | 409 KiB | 211 Q