PHP logical operators

Introduction: This is a detailed page of PHP logical operators. It introduces the knowledge, skills, experience, and some PHP Source Code related to PhP.

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Table 7-3. logical operators (Table 7-3 logical operators)

Example name result? /Font>

$ A and $ B and true of both $ A and $ B are true .? /Font>

$ A or $ B or? /Font> true if either $ A or $ B is true .? /Font>

$ A XOR $ B or? /Font> true if either $ A or $ B is true, but not both .? /Font>

! $ A not? /Font> true if $ A is not true .? /Font>

$ A & $ B and? /Font> true of both $ A and $ B are true .? /Font>

$ A | $ B or? /Font> true if either $ A or $ B is true.

The changes to the two different "and" and "or" operators are actually caused by different operation priorities. (Refer to the following content .)

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