参考手册
参考手册
实例 PHP += 运算符
源代码
运行代码
<!DOCTYPE html> <html> <body> <?php $x="17;" $x="" +="8;" echo="" $x;=""?> </body> </html>
x
<!DOCTYPE html>
<
html
>
<
body
>
<?php
$x
=
"17;"
$x
=
""
+=
"8;"
echo
=
""
$x
;
=
""
?>
</
body
>
</
html
>
输出结果
PHP Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /home/jdoodle.php on line 6
Command exited with non-zero status 255