Using Switch Statement In PHP

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Problem Description:

I have to print the multiples of numbers 3 from 80 to 100 by using switch statement

echo "Print Numbers Using Switch Statement:<br>";

for ($i=3; $i <= 100 ; $i=$i+3) {

    switch ($i) {
        case "$i >= 80":
            echo $i. "<br>";
            break;

        case "$i <= 100":
            echo $i."<br>";
            break;
    }
}

Solution – 1

Switch does not work this way. The case must match the switch expression.

Change to

switch (true)

Also remove the quotes off the case expressions.

for ($i = 3; $i <= 100; $i += 3) {
    switch (true) {
        case $i >= 80 && $i <= 100:
            echo "$i<br>";
    }
}

If you want both statemens as each case you can do like this

for ($i = 3; $i <= 100; $i += 3) {
    switch (true) {
        case $i < 80:
            break;
        case $i <= 100:
            echo "$i<br>";
    }
}

Output

81
84
87
90
93
96
99

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