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26 lines
614 B
26 lines
614 B
<?php
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//当i=5时跳到第三层循环
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while(1){
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while(1)
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{
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while (1)
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{
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for($i=0; $i<10 ;$i++)
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{
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echo $i.'<br>';
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if($i==5)
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{
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break 2;//跳出第2层循环，进入第三层循环；
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}
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echo "第1层循环<br>";
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}
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echo "第2层循环<br>";
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}
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echo "第3层循环<br>";
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break;
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}
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echo "第4层循环<br>";
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break;
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}
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?>
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