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PHP Control Structures (Loop)

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";
}

hi1
hihellohi1
no output
hihi1

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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";
}

hihello
hello
hihellohi1
hi

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; -5 ; $i++) {
print"i";
if ($i == 3)
break;
}

error
0 1 2 3 4
0 1 2 3
0 1 2 3 4 5

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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;
}

hihellobye
infinite loop
no output
hihello

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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";
}

infinite loop
iiiiiiiiiiiiiiiiiiiiiiiii
iiiii
no output

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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";

no output
true
error
false

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