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PHP For Loop

In every programming languages loops are applied where the repeated execution of a particular code is required until condition to be tested remains true. PHP For loop is identical to the for loop in C.

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PHP Switch

The PHP switch is another conditional statement which carries out multiple condition check and execute the appropriate task based on the condition testing.
The PHP switch statement is a decent replacement of PHP if-elseif-else structure.In switch case structure only exact values can be compared i.e greater than or less than comparison is not present.

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PHP if - else

Conditional statement is used where we have to take different decisions on different conditions.The PHP if-else conditional statement is very similar to the C.The PHP if-else conditional statement can be utilized in three ways.

  • Using Only if using only if statement performs a single task only if the condition is true and does nothing if the condition goes false.
  • Using if-else using if-else, if the condition is true the specified task is performed and if it is false the code in the else block will be executed.
  • Using if-elseif-elseThis is the complete form of PHP if-else conditional statement where different conditions are tested and the action is performed accordingly.

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PHP Sessions

Session is a way of keeping the user information on the server to recognize a particular user.The session information is a temporary arrangement of keeping the user data on the webserver which only lasts until the browser is not closed.
Sessions are implemented in a way that whenever a session is started a unique id (UID) is assigned to the user,this ID is than stored in a cookie or embedded in the URL.After that the $_SESSION array is used to hold different information based on that UID which was assigned to the user.

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