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PHP Control Structures (Loop)

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";
}

hihello
hi
hihellohi1
hello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 1;
if ($x--)
print "hi"
$x--;
else
print "hello"

no output
error
hello
hi

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

true
error
false
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 2;
if ($a-- - --$a - $a)
print "hello";
else
print "hi";

no output
error
hello
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$user = array("Ashley", "Bale", "Shrek", "Blank");
for ($x=0; $x < count($user) - 1; $x++) {
if ($user[$x++] == "Shrek")
continue;
printf ($user[$x]);
}

BaleBlank
AshleyShrek
AshleyBaleBlank
Bale

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; $i < 5; $i++) {
for(; $i < 5; $i++)
print"i";
}

iiiii
infinite loop
iiiiiiiiiiiiiiiiiiiiiiiii
no output

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