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<?php
$arr = array(13, 14, 22, 11, -3);
sort($arr);
$arrLen = count($arr);
for($x = 0; $x < $arrLen; $x++) {
echo " ".$arr[$x];
}
?>
<?php
function func($a = 50) {
echo "a is : $a";
}
func();
?>
<?php
if($a=0){
echo "Sun";
}
else{
echo "Moon";
}
?>
<?php
if(0==0){
echo "Sun";
}
else{
echo "Moon";
}
?>
<?php if(1) echo "Sun"; echo "Moon"; ?>
<?php $a = 10+10*5+15/5; echo "$a"; ?>
<?php $a = (10+10)*5+15/5; echo "$a"; ?>
<?php $a = 5/3; echo "$a"; ?>
<?php $a = 5; echo "$a-$a"; ?>