diff --git a/08/input b/08/input
new file mode 100644
index 0000000..df2392e
--- /dev/null
+++ b/08/input
@@ -0,0 +1,200 @@
+ecfdbg decfba aegd fdcag fagecd gd gcafb efdac cbgeafd dfg | bgacf afdebc fceda cabfg
+cfdabeg cda bcgad bedfac aefbgd bfgcad dfbga egabc dgfc cd | gdbefac fgabcd dcbefag aedgfb
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+fgbaecd fgecd cafeg feacbg fdgcb fgaecd acdbge ed adfe dge | cfgdb gcedf deaf cfdbg
+gedab afdcbeg decabg bfedcg dgefab ef aedf cfgab gbaef efb | abcgf cabgf feagdcb cdbaefg
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+febad bacged fge cdbeg cfebdag fgdc gf debcgf bdefg cfebga | fg egf beafd efg
+agdcbf bdefcga cbgefd dcagb gbedac faedc gfc bfag gfcad gf | bgfa dbagc bfgdca bcgad
+bdce gafbed gaecf bcefdag gbc dacbeg fcbgad egdab cb cegba | eadbgc cb ebadgf debc
+ac afgceb eagbf befcagd abcg degcf aefbdg ceagf edbacf acf | abecgf bgac gacb ceadbf
+abcg fcaeb gfdcabe ab befdc cfage gdbfea gecdaf efcgba bfa | bgac bcga cagb efgbda
+fbdeg gb fcdeb dfecbg eafgdbc edgfa eagbdc baedfc cbfg beg | adbgce dfcaeb bgfc abcged
+afg afdbec cbdgaf afcgedb bedgf cdagef ga afcdb gbca gfbda | cfagdb edcafg cbfgda bgfed
+edgafcb fdeab dgabcf cbgf gdfeac dgfab gdeacb acgbd gfa gf | gaf bcgf ecbagd agf
+dcbfa gfbace ebfca efcg bgfeadc abgce gbafde ef beadcg fbe | egcf fabdc adebgf bdcage
+gc cfdbe fgcebd bcgef ceg fdagceb ecadbg fgdc fageb bedcfa | adgcbe aefgdcb gabfe gc
+fgead bcdafg ba bcae edafb bcefad dbcfe cafbgde gbcdef adb | dcfeb gecdfb caeb bacdfe
+gfeab abc bc ecbf gdebaf gebac gdcea gecdfba acdfbg fbgcae | cbdagf gbcae bc edgbaf
+aecgf acbf cgadef fecbg bc ebc dcegba befdg aebgcf afdebgc | ecb bcgfe bgedf abcf
+fg facg efcagd eadfg cebfda feg daegb bdfcge afced cfeadgb | acdfe fgeda fg cdbegf
+gefda fed edfbgc fgeab cfad cdeag fd cebgad dcefabg fagdce | faegdc eafdg fd cgbfdea
+ebfad cf befca gabedc fac cabeg dcaefg abfecg fbacged gcbf | bfade fcbg fc cgbf
+aegbf cbdfega adbfg ef cebdgf dfcbga gebca fadgbe afde gfe | fdae afcbgd bgcedaf gef
+cdgab cg edgbac gbedfa gebcdaf dcebfg gcd degba aceg dacfb | gdc cgdba cdg gbadc
+daebfg fcebgad db gacbf feacdg gafdb eafdbc dgaef dfb bedg | cefdbag gedfca gafdeb befcda
+ecfd fcdgba cebgf fge bgafed febdcg cbfegad cabeg fe gfdbc | ecgdfb edfc gebdaf fecd
+fac gbeaf bcdga adgbcef febcda cfgba gefbda bagcfe cfge fc | gcfe gbcaf acfbeg acdgb
+afegdcb fdgba bfgacd fdcg fd cbfga adf ebcagf dcfabe gbdae | df bcaefd cfagb df
+cdbgef bgef ge ged badec agfdcb adgecf cgdeb cbgdf fdbceag | dcfgb gcebd egbf dcegb
+dfbea gb cfgea bag fgbc debcga acdbgef afcgbe gfeba cfdaeg | beafd bag cbgf gba
+fdgcab cd ebdaf baecdgf cda bcgaf cfebga acebgd cbdaf cfgd | aegcfb cdgf cdgf afegbdc
+fcbga cbeagf dcabg da dfabcg bdaf begcd dca fdagce bcgfdae | acgbd dbceg acd cfbga
+degacbf cf dcgfba adegbf efgab gfce acfeb dbeca caf gcebaf | bacfe abfecg ebafc debac
+bcaefd gbce dcegfb gcbadf dgfaecb fbdce dgcfe cg agfed fcg | dbgfec gc acdgfb efbcd
+cdfag dgebacf bdfagc fba acdgef fcdab bfdg baedc gbfaec fb | cedbafg fb dgfeac cadbf
+bcdgf eafcbgd bd adfb dcabeg gebfac gcfba gfdacb fdgce bgd | cfbga fgcab db fcegd
+cdgafe deg bedfc dfgb cgdbe dg dcefba efdgbc cagbefd cegab | bgdf abfdec egd gedbfc
+bg febdca edgcb cdeab gbc edgbca gdab beagcf cdegf debacfg | bcaedf dgcef badg fecadbg
+dbca cgaedb gcfbe cea fadbeg gabce ca edcafg degab abfedgc | fdebag beacg abcd adcegb
+gcdfe adbfgec cbafge dgbaf ebf gfbced eb adcgfe becd fgebd | ecgfba gcbfde dbec cdafge
+dbgeafc dacbg badfge abfce ed eda dcfe decba dcfeab gfbeca | febcda defc beacf fdgabe
+efcd bfcadge fcdba egabf bfdcag dcefba deagbc fabed ed edb | gbeacd fdeab ebcfad fageb
+dcgf fegdab bcaeg dcegaf dga gd dcfbea fcdea aedcg bdefgca | cbegdfa eabcfd adfce cbefda
+bf edfbgc cegbf bcadefg ebf acbfde gcedf feadgc gbcae gfbd | feb dfgb egbcdfa dfegc
+efgba eacd efadcg dcgefb gacdf dbcfgae efd bgcdaf edfga ed | cfbgda dgcfa gcfead eadfg
+afgdc fbg cdgaef fagbdc bgcefa cdbf bgdaf bdaeg fb dgabcfe | dagfc cefagb egcabf fcbd
+cadgfe acbed cfabgde fdbcge cfga fad fdeabg fa dcaef dcfge | fad bafgecd cfegad adbfcge
+agdefc cfad bdgecfa gadfe aefgc ad ceadgb gbafce bfedg agd | dag ad fcage cgbafe
\ No newline at end of file
diff --git a/08/part1.php b/08/part1.php
new file mode 100644
index 0000000..b6d35d5
--- /dev/null
+++ b/08/part1.php
@@ -0,0 +1,10 @@
+<?php
+
+$input = file('input', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+$input = array_map(fn($line) => explode(' ', explode(' | ', $line)[1]), $input);
+
+$digits = 0;
+foreach ($input as $segments) {
+    $digits += count(array_filter($segments, fn($segment) => in_array(strlen($segment), [2,4,3,7])));
+}
+echo $digits; //303
diff --git a/08/part2.php b/08/part2.php
new file mode 100644
index 0000000..f913dee
--- /dev/null
+++ b/08/part2.php
@@ -0,0 +1,51 @@
+<?php
+
+$input = file('input', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+$input = array_map(fn($line) => explode(' | ', $line), $input);
+$sum = 0;
+foreach ($input as $digits) {
+    $sum += decodeNumbers(explode(' ', $digits[0]), explode(' ', $digits[1]));
+}
+echo $sum; //961734
+
+function decodeNumbers($inputArray, $displayedNumbers)
+{
+    foreach ($inputArray as &$digits) {
+        $digits = str_split($digits);
+        sort($digits);
+    }
+
+    foreach ($displayedNumbers as &$displayedNumber) {
+        $displayedNumber = str_split($displayedNumber);
+        sort($displayedNumber);
+    }
+
+    $numbers = array_fill(0, 9, null);
+
+    $numbers[1] = current(array_filter($inputArray, fn($element) => count($element) == 2));
+    unset($inputArray[array_search($numbers[1], $inputArray)]);
+    $numbers[4] = current(array_filter($inputArray, fn($element) => count($element) == 4));
+    unset($inputArray[array_search($numbers[4], $inputArray)]);
+    $numbers[7] = current(array_filter($inputArray, fn($element) => count($element) == 3));
+    unset($inputArray[array_search($numbers[7], $inputArray)]);
+    $numbers[8] = current(array_filter($inputArray, fn($element) => count($element) == 7));
+    unset($inputArray[array_search($numbers[8], $inputArray)]);
+    $numbers[9] = current(array_filter($inputArray, fn($element) => count($element) == 6 && count(array_diff($element, $numbers[4])) == 2));
+    unset($inputArray[array_search($numbers[9], $inputArray)]);
+    $numbers[0] = current(array_filter($inputArray, fn($element) => count($element) == 6 && count(array_diff($element, $numbers[1])) == 4));
+    unset($inputArray[array_search($numbers[0], $inputArray)]);
+    $numbers[6] = current(array_filter($inputArray, fn($element) => count($element) == 6));
+    unset($inputArray[array_search($numbers[6], $inputArray)]);
+    $numbers[5] = current(array_filter($inputArray, fn($element) => count($element) == 5 && count(array_diff($numbers[6], $element)) == 1));
+    unset($inputArray[array_search($numbers[5], $inputArray)]);
+    $numbers[2] = current(array_filter($inputArray, fn($element) => count($element) == 5 && count(array_diff($numbers[5], $element)) == 2));
+    unset($inputArray[array_search($numbers[2], $inputArray)]);
+    $numbers[3] = current(array_filter($inputArray, fn($element) => count($element) == 5));
+    unset($inputArray[array_search($numbers[3], $inputArray)]);
+
+    $result = '';
+    foreach ($displayedNumbers as $number) {
+        $result .= array_search($number, $numbers);
+    }
+    return (int)$result;
+}
diff --git a/README.md b/README.md
index 26af694..0b6e4c1 100644
--- a/README.md
+++ b/README.md
@@ -33,4 +33,9 @@
 ### DAY 7 - Crabs in submarines 
 
 - [part1](07/part1.php)
-- [part2](07/part2.php)
\ No newline at end of file
+- [part2](07/part2.php)
+
+### DAY 8 - Decoding 7-segments displays
+
+- [part1](08/part1.php)
+- [part2](08/part2.php)
\ No newline at end of file