4 回答php里echo

4 回答<?php echo 23+6;?>

1 回答<?php $var = "大家來學(xué)PHP"; echo $var; echo "<br />"; $var = "學(xué)PHP上慕課網(wǎng)"; echo $var; ?>

3 回答<?php $var="大家來學(xué)PHP"; echo $var; echo "<br />"; $var="學(xué)PHP上慕課網(wǎng)"; echo $var; ?>

3 回答<?php echo "wen,oiqgo" ; ?>