Php Kod Örnekleri 2
İşlem Yaptırma;
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<?php
$a = 3;
$b = 4;
$c = 5;
$toplama = $a + $b; # 7
$gelismis = $a + $b * $c; # 23
$parantez = ($a + $b) * $c; # 35
$delta = $b * $b - 4 * $a * $c; # -44
echo "$a + $b = " . $toplama . '<br>';
echo "$a + $b * $c = " . $gelismis . '<br>';
echo "($a + $b) * $c = " . $parantez . '<br>';
echo "($b * $b - 4 * $a * $c) = " . $delta . '<br>';
?>
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<?php
$a = 3;
$b = 4;
$c = 5;
$b += $c; # b = 9
$b *= $a; # b = 27
echo $b;
?>
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<?php
$a = 3;
$b = 3;
echo ($a++) + 3 . '<br>'; # Sonuç: 6
echo $a . '<br>'; # a = 4
echo (++$b) + 3 . '<br>'; # Sonuç: 7
echo $b; # b = 4
?>
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<?php
$a = 3;
$b = 3;
echo ($a++)+(++$b)+($b--);
?>
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Karşılaştırma;
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<?php
$a = 3;
$b = 3;
$c = 5;
$d = '5';
echo var_dump($a == $b) . '<br>'; # 1
echo var_dump($a != $b) . '<br>'; # 0
echo var_dump($c < $b) . '<br>'; # 0
echo var_dump($c > $b) . '<br>'; # 1
echo var_dump($c === $d) . '<br>'; # 0
?>
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