PHP中的if else 和elseif and else if
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<pre><code>//if语句书写
<?php
if ($a > $b)
echo "a is bigger than b";
?>
//else语句的书写
<?php
if ($a > $b) {
echo "a is greater than b";
} else {
echo "a is NOT greater than b";
}
?>
//elseif/else if语句书写
<?php
if ($a > $b) {
echo "a is bigger than b";
} elseif ($a == $b) {
echo "a is equal to b";
} else {
echo "a is smaller than b";
}
?></code></pre>
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