require() is identical to include() except upon failure it will also produce a fatal E_COMPILE_ERROR level error. In other words, it will halt the script

If called from within a function, the return() statement immediately ends execution of the current function, and returns its argument as the value of the

The declare construct is used to set execution directives for a block of code. The syntax of declare is similar to the syntax of other

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

continue is used within looping structures to skip the rest of the current loop iteration and continue execution at the condition evaluation and then the

break ends execution of the current for, foreach, while, do-while or switch structure. break accepts an optional numeric argument which tells it how many nested

for loops are the most complex loops in PHP. They behave like their C counterparts. The syntax of a for loop is: for (expr1; expr2;

do-while loops are very similar to while loops, except the truth expression is checked at the end of each iteration instead of in the beginning.

while loops are the simplest type of loop in PHP. They behave just like their C counterparts. The basic form of a while statement is: