Conditional Statements
In a conditional statement, you instruct PHP to take different actions depending on the outcome of a test. For example, you might want PHP to check whether a variable is greater than 10 and, if so, print a message. This is all done with the if
statement, which looks like this:
if (your condition) { // action to take if condition is true} else { // optional action to take otherwise}
The your condition
part can be filled with any number of conditions you want PHP to evaluate, and this is where the comparison operators come into their own. For example:
if ($i > 10) { echo "11 or higher";} else { echo "10 or lower";}
PHP looks at the condition and compares $i
to 10
. If it is greater than 10, ...
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