Which of the following are valid ways to specify an integer in PHP?
- 123
- 0x1A
- 123
- All of the above
All of the given options are valid ways to specify an integer in PHP. You can specify an integer using decimal notation (e.g., 123), hexadecimal notation (e.g., 0x1A), or octal notation (e.g., 0123). The choice of notation depends on the specific requirements and the numeric system you want to represent. Learn more: https://www.php.net/manual/en/language.types.integer.php
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