php switch or if





The switch statement is very similar to the ifelseifelse way of doing things.This tells the PHP parser that you are done processing the code for this case. Any PHP code you want can go between the case : and break statements. PHP switch. Where there are many possible results IF statements can be confusing.The possible acceptable values are 1 to 12 with a final, default CASE which is only used if no other match is found. Each case has an action after a colon. PHP - Switch. The switch statement to select one of many blocks of code to be executed.the following syntax and example of switch statement in php. Switch statements are useful if you want to test a single variable for several different values and perform a different operation for each value.Each possible position becomes a "case" in our switch statement:

The switch statement is used to avoid long blocks of ifelseifelse code. PHP continues to execute the statements until the end of the switch block, or the first time it sees a break statement. If you dont write a break statement at the end of a cases statement list, PHP will go on executing the statements of the following case. For example This means PHP requires nested parenthesis around each nested group to avoid unexpected results. Even so, this construct is still very understandable and maintainable, compared to the equivalent switch or if statements. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, and XML.Use the switch statement to select one of many blocks of code to be executed. Syntax. switch (n) case label1: code to be executed if nlabel1 PHPUltimateKniGht on Fri 3rd Oct 2014.Nice stuff Imran. I now have a resource to point the newbs to when they visit asking about if/else or switch. Does a switch or If statement quick to execute, where there are atleast 10-20 conditions. Thanks Dave.

Tags: php. Related post. Change or switch to different editor quickly in eclipse ? ( not tabs) 2010-12-17. Attention if you have mixed types of value in one switch statemet it can make you some trouble.

In many occasions, youThe PHP switch function is used in replace of multiple if or elseif statements. If you use ifelseif or switch is mainly a matter of preference. The performance is the same. However, if all your conditions are of the type x value with x being the same in every condition, switch usually makes sense. The PHP code will evaluate the PHP switch statement and its cases and once the code is valid then it will execute the code within it depending on the use of break statement. We can tell a default condition also if all other conditions fails to match. break You need to tell PHP to "Break out" of the switch statement. If you dont, PHP will simply drop down to the next case and check that. if i recall correctly, one of the bugfixes/improvements to the latest/greatest PHP version was improving the speed of switch statements so I assume they are as fast as if/else at least right now obviously the real benefit of using switch is that its great for going through many possible conditions In addition to the if statement, PHP provides switch statement that allows you to execute a code block conditionally. PHP switch statement compares a variable or an expression against many different values and execute a code block based on the value it equals to. PHP switch Statement. The switch statement is similar to a series of IF statements on the same expression. In many occasions, you may want to compare the same variable (or expression) with many different values, and execute a different piece of code depending on which value it equals to. If the value of the switch expression does not match anyone of values cases , then goes to the operator, tagged as default.