案例:PHP案例     状态:不可编辑再运行    进入竖版
 运行结果 
x
 
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<?php
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$x=10; 
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echo $x;
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echo "\n";
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$y=20; 
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$y += 100;
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echo $y;
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echo "\n";
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$z=50;
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$z -= 25;
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echo $z;
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echo "\n";
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$i=5;
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$i *= 6;
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echo $i;
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echo "\n";
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$j=10;
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$j /= 5;
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echo $j;
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echo "\n";
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$k=15;
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$k %= 4;
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echo $k;
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?>