php string to integer

optimization - Fastest way to convert string to integer in PHP - Stack Overflow 智深現在在想什麼阿!Using PHP, what's the fastest way to convert a string like this: "123" to an integer? Why is that particular method the fastest? What happens if it gets unexpected input, such as ......

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PHP: Strings - Manual - PHP: Hypertext Preprocessor 老師要小心了!!Strings A string is series of characters, where a character is the same as a byte. This means that PHP only supports a 256-character set, and hence does not offer native Unicode support. See details of the string type. Note: string can be as large as up t...

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PHP: Integers - Manual - PHP: Hypertext Preprocessor 難道樹也有發情期!?  Syntax Integer s can be specified in decimal (base 10), hexadecimal (base 16), octal (base 8) or binary (base 2) notation, optionally preceded by a sign (- or +). Binary integer literals are available since PHP 5.4.0. To use octal notation, precede the nu...

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