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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = array("hi", "hello", "bye");
foreach ($a as $value) {
if (count($a) == 2)
print $value;
}

hihello
infinite loop
no output
hihellobye

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = "";
while($i) {
print "hi";
}
print "hello";

hello
error
infinite loop
hihello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($count = 0; $count < 3;$count++); {
print "hi";
continue;
print "hello";
}

hellohellohello
hihellohihellohihello
hihihi
hi

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

hi
no output
error
hello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "1";
$b = "0";
if ((int)$a && $b)
print"hi";
else
print "hello";

no output
hi
hello
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 97;
switch(?$a) {
case "a":
print "hi";
break;
case 97:
print "hello";
break;
default:
print "hi1";
}

hi
hihellohi1
hello
hihello

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