PHP -  Switch Function Control

The switch statement can be used in place of a lengthy if statement. Here are the two syntaxes for switch:

switch(expr) {         switch(expr):

 case expr:             case expr:

 statements statements

 break;                 break;

 default:               default:

 statements statements

 break;                 break;

}                      endswitch;

The expression for each case statement is compared against the switch expression and, if they match, the code following that particular case is executed. The break keyword signals the end of a particular case; it may be omitted, which causes control to flow into the next case. If none of the case expressions match the switch expression, the default case is executed.

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