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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x;
for ($x = -3; $x < -5; ++$x) {
print ++$x;
}

-3-4-5
no output
-3-4
infinite loop

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 0;
if ($x == 1)
if ($x >= 0)
print "true";
else
print "false";

false
error
no output
true

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($x = 0; $x <= 10; print ++$x) {
print ++$x;
}

infinite loop
12345678910
1234567891011
123456789101112

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "1";
switch($a) {
case 1:
break;
print "hi";
case 2:
print "hello";
break;
default:
print "hi1";
}

no output
hi1
hihi1
hihellohi1

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 1;
if ($a--)
print "True";
if ($a++)
print "False";

false
error
true
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 10;
if (1)
print "all";
else
print "some"
else
print "none";

none
some
all
error

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