$a & $b And Bits that are set in both $a and $b are set. $a | $b Or (inclusive or) Bits that are set in either $a or $b are set. $a ^ $b Xor (exclusive or) Bits that are set in $a or $b but not both are set. ~ $a Not Bits that are set in $a are not set, and vice versa. $a << $b Shift left Shift the bits of $a $b steps to the left (each step means "multiply by two") $a >> $b Shift right Shift the bits of $a $b steps to the right (each step means "divide by two")
Il giorno gio 5 mag 2022 alle ore 15:21 Leonardo Boselli < leo-stre...@trail.it> ha scritto: > in php quali sono le funzioni per testare o modificare un singolo bit in > un int64 ? per intendersi l'equivalente di BT BTR BTS in assembler (con > secondo operatore un registro) ? > > > -- > Leonardo Boselli > Firenze, Toscana, Europa > http://i.trail.it > > -- Giancarlo Martini (Replace 'AAA' con '@') mailto:giancarlo.firAAAgmail.com <giancarlomartiniAAAgmail.com>
