Online PHP editor | output for GdIfs

@ 2020-06-10T15:41:09Z

<?php

//Stel je hebt een byte array
$raw=[0xAB, 0x56, 0xFD];

//Dan per 3 bytes uitlezen in een loop
for($idx=0;$idx<count($raw);$idx+=3) {
  //en schuiven met bits met << of >>
  //of gebruik maken van logical AND: &
  $v1 = ($raw[$idx] << 4) + ( $raw[$idx+1] >> 4);
  $v2 = (($raw[$idx+1] & 0xF) << 8) + $raw[$idx+2];
  
  //resultaat, in hex voor de duidelijkheid
  echo dechex($v1) . "  " . dechex($v2) . "\n";


}

Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: ab5 6fd
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.

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