PHP coding standards (14)_PHP tutorial

6 if and else statements

if-else statement should have the following format:

if (condition){ /* Conditions for operation */
　statements;
}

if (condition) {/*Conditions for performing operations. */
　statements;
} else {/*Conditions for performing operations*/
　statements;
}

if (condition) {/*Conditions for performing operations*/
　statements;
} else if (condition) {/*Conditions for performing operations*/
　statements;
} else{ /*Conditions for operation*/
　statements;
}

Note: if statements are always enclosed in "{" and "}" to avoid using the following error-prone formats:

if (condition) //Avoid this way of writing, he ignores "{}"
　statement;

The comment format can also be written in the following way

if (condition) {
/*Conditions for operation*/
　statements;
} else {
/*Conditions for operation*/
　statements;
}

As long as you can clearly describe the relationship between the branches, you can write comments anywhere

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