"; //no matter that $a is increased in $b variable yet origin $a is = 3. echo $b."
"; // b = 2 as this post-increment. first is assigned starting value of $a $a++; echo $a."
"; //another increase of $a = 4 echo $b."
"; // but $b is still 2 as it has 'memorized' first assigment, but... $b = $a++; // another increase of $a = 5, despite it's done in variable $b echo $a."
"; // 5 echo $b."
"; // but $b = 4 as it takes value of $a before increment $c = 2; // pre-increment $d = ++$c; // d = c + 1 echo $c."
"; // 3 echo $d."
"; // 3 //Dakle, svako inkrementiranje $a++ bilo napolju bilo u nekoj varijabli menja $a //dok tu drugu varijablu tek kad je ponovo dodelimo vrednost menja je $b = 2 pa 4 echo "
"; $foo = 5; // example how value go back and forth through expressions bellow echo $foo * $foo--."
"; // 5 * (5-1) = 20 echo $foo * --$foo."
"; // (start 4) 3 * 3 = 9 (this --$foo decrease/assign value for both operators) echo $foo * $foo++."
"; // (start 3) 3 * (3+1) = 12 echo $foo * ++$foo."
"; // (start 4) 5 * 5 = 25 (this ++$foo increase/assign value for both operators) // Dakle, u izrazu gore pre-decrement --$foo setuje vrednost prvo za sebe pa onda i za $foo, dok je kod post-decrementa $foo-- setuje samo za sebe. echo "
"; $foo = 5; echo $foo * $foo--."
"; // 5 * (5-1) = 20 $foo = 5; echo $foo * --$foo."
"; // (5-1) * (5-1) = 16 $foo = 5; echo $foo * $foo++."
"; // 5 * (5+1) = 30 $foo = 5; echo $foo * ++$foo."
"; // (5+1) * (5+1) = 36 echo "
"; $a = 2; $b = --$a; // iako u varijabli $a se smanjuje a $b ostaje 'zamrznuta' echo $a."
"; // 2-1 = 1 echo $b."
"; // 2-1 = 1 $a = 2; $b = $a--; // i ovde se $a smanjuje echo $a."
"; // 2-1 = 1 echo $b."
"; // 2, jer je prvo setovana vrednost $b pa tek onda umanjena // Assignment Operators $x = 50; $x += 100; echo $x; $t = 20; $t-= 15; $t = $t - 3; $t-= 3; echo $t; $r = 5; $e = 80; $e -= $r; echo $e; $w = 5; // power on 2 echo $w **= 2; echo "
"; // Examples of all $d = 10; // value of $d is changing through statements bellow echo $d += 2,"
"; // same as $d = $d + 2; echo $d -= 2,"
"; echo $d *= 2,"
"; echo $d /= 2,"
"; // same as $d = $d / 2; echo $d %= 2,"
"; echo $d **= 2,"
"; // same as $d = $d ** 2; $d = 10; // here, we get value of $d back to starting value - 10 echo $d += 2,"
"; $d = 10; echo $d -= 2,"
"; $d = 10; echo $d *= 2,"
"; $d = 10; echo $d /= 2,"
"; $d = 10; echo $d %= 2,"
"; $d = 10; echo $d **= 2,"
"; // ?>

PHP 5 assigments 2019/09/05 00:10