循环控制语句
(1) break
终止整个循环:
php
for ($i = 0; $i < 10; $i++) {
if ($i == 5) break; // 当 $i=5 时退出循环
echo $i . "\n";
}
(2) continue
跳过当前迭代,进入下一次循环:
php
for ($i = 0; $i < 5; $i++) {
if ($i == 2) continue; // 跳过 $i=2 的迭代
echo $i . "\n";
}
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