PHP switch Statement switch 语句类似于 if-else 语句系列。 switch 语句在各种情况下执行,即它具有与条件匹配的各种情况并适当地执行特定的 case 块。它首先评估一个表达式,然后将其与每个案例的值进行比较。如果一个案例匹配,则执行相同的案例。 要使用开关,我们需要熟悉两个不同的关键字,即break和default . ...
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The switch statement IS NOT a constant time branch. The compiler may find short-cuts (using hash buckets, etc), but more complicated cases will generate more complicated MSIL code with some cases branching out earlier than others. To handle the String case, the compiler will end up (at some...
The syntax of PHPswitchstatement is: switch(expression){casevalue1:// Code to be executed if the expression matches value1break;casevalue2:// Code to be executed if the expression matches value2break;// Additional cases as neededdefault:// Code to be executed if none of the cases match}...
PHP - Switch Statement - The switch statement in PHP can be treated as an alternative to a series of if…else statements on the same expression. Suppose you need to compare an expression or a variable with many different values and execute a different pi
The switch statement saves from writing spaghetti code if statements.[#17] hamiltont at gmail dot com [2009-01-02 11:32:45] Example of default NOT included as the last item <?php switch(5) { case 1: echo "1"; break; case 2: default: echo "2, default"; break; case 3; echo ...
If you have many conditions, PHPswitchstatements are a more efficient way of doing this. The server will execute a PHP switch statement quicker than multiple "elseif"s. Also, there's actually less code for the programmer to write.
I do know how to solve this (just add the default code in my case "created"), but I don't like to repeat that code too often. My actual question is: Why does it continue with the "Creator" case while the case is not "Creator". php switch-statement Share Improve this question Fol...
default:echo 'statement'; } 语法 PHP Switch 语句 如果您希望有选择地执行若干代码块之一,请使用 Switch 语句。 使用Switch 语句可以避免冗长的 if..elseif..else 代码块。 语法 switch (expression){case label1:code to be executed if expression = label1;break;case label2:code to be executed if exp...