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php "==" 的比較

2014-10-19 @ 20:57 in PHP, JavaScript, Sql

一直沒有注意到 php "==" 比較式的注意事項,今天在測試程式時才注意到,原來 "==" 如果前一個比較值數字時,會以數字方式比對,而且只比對前16位數字,所以要小心,嚴格點用 "===" 這樣連型態也必須一樣,也可以 strcmp()

迴響

php "==" 的比較 | 豬窩

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php "==" 的比較 | 豬窩

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php "==" 的比較 | 豬窩

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php "==" 的比較 | 豬窩

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php "==" 的比較 | 豬窩

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作者 g @ 17:43, 2020-06-15
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