- 新增 concat.php 示例文件展示字符串连接操作 - 修改 yield.php 示例中的输出方式为循环打印每个值 - 将 yield 示例的 var_dump 替换为更清晰的逐行输出格式pull/3/head
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<?php |
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$a = str_repeat('A', 10); |
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$b = ' = '; |
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$c = ' hello '; |
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$d = "\n"; |
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|
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var_dump($a. $b. $c. $d); |
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