How to easily master the syntax and usage techniques of PHP logical operators

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PHP has a lot to learn. Here we mainly introduce PHP logical operators, including bit operators, comparison operators, and so on. The bit operator allows you to set the bits specified in the integer. If both the left and right arguments are strings, the bit operator will manipulate the characters in the string.

Bit operator of 1.PHP logical operator:

&: $a & $b And (bitwise and) sets the bit that is 1 in both $an and $b to 1. |: $a | $b Or (bitwise or) sets the bit 1 in $an or $b to 1. ^: $a ^ $b Xor (bitwise XOR) sets the different bits in $an and $b to 1. ~: $a Not (bitwise non) sets the 0 bit in $a to 1, and vice versa.