Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /data/web/virtuals/279283/virtual/www/geshi.php:1631
Stack trace:
#0 /data/web/virtuals/279283/virtual/www/geshi.php(1631): in_array('\n', NULL)
#1 /data/web/virtuals/279283/virtual/www/geshi.php(2903): GeSHi->parse_code()
#2 /data/web/virtuals/279283/virtual/www/funkce.php7.php(239): geshi_highlight('\\int_0^1x\\,\\mat...', 'scheme', 'geshi/', true)
#3 /data/web/virtuals/279283/virtual/www/funkce.php7.php(128): zvyrazni('\\int_0^1x\\,\\mat...')
#4 [internal function]: {closure}(Array)
#5 /data/web/virtuals/279283/virtual/www/funkce.php7.php(129): preg_replace_callback('/\\[scheme\\](.*)...', Object(Closure), '<p>Pro\xE8 v\x9Aichni...')
#6 /data/web/virtuals/279283/virtual/www/viewtopic.php(441): compileText('<p>Pro\xE8 v\x9Aichni...', Array, '1228431577')
#7 {main}
thrown in
/data/web/virtuals/279283/virtual/www/geshi.php on line
1631
