<code><span>$ipArr</span> = explode(<span>'.'</span>,<span>$_SERVER</span>[<span>'REMOTE_ADDR'</span>]); <span>$ipVal</span> = <span>$ipArr</span>[<span>0</span>] * <span>0x1000000</span> + <span>$ipArr</span>[<span>1</span>] * <span>0x10000</span> + <span>$ipArr</span>[<span>2</span>] * <span>0x100</span> + <span>$ipArr</span>[<span>3</span>] ; <span>echo</span><span>$ipVal</span>.<span>'<br />'</span>; <span>$ipArr</span> = <span>array</span>(<span>0</span> => floor( <span>$ipVal</span>/ <span>0x1000000</span>) ); <span>$ipVint</span> = <span>$ipVal</span>-(<span>$ipArr</span>[<span>0</span>]*<span>0x1000000</span>); <span>// for clarity</span><span>$ipArr</span>[<span>1</span>] = (<span>$ipVint</span> & <span>0xFF0000</span>) >> <span>16</span>; <span>$ipArr</span>[<span>2</span>] = (<span>$ipVint</span> & <span>0xFF00</span> ) >> <span>8</span>; <span>$ipArr</span>[<span>3</span>] = <span>$ipVint</span> & <span>0xFF</span>; <span>$ipDotted</span> = implode(<span>'.'</span>, <span>$ipArr</span>); <span>echo</span><span>$ipDotted</span>;<span><?php</span><span>$ipArr</span> = explode(<span>'.'</span>,<span>$_SERVER</span>[<span>'REMOTE_ADDR'</span>]); <span>$ip</span> = <span>$ipArr</span>[<span>0</span>] * <span>0x1000000</span> + <span>$ipArr</span>[<span>1</span>] * <span>0x10000</span> + <span>$ipArr</span>[<span>2</span>] * <span>0x100</span> + <span>$ipArr</span>[<span>3</span>] ;<span>?></span>This can be written in a bit more efficient way:<span><?php</span><span>$ipArr</span> = explode(<span>'.'</span>,<span>$_SERVE<i style="color:transparent">@本文来源gaodai$ma#com搞$代*码6网</i><b>搞代gaodaima码</b>R</span>[<span>'REMOTE_ADDR'</span>]); <span>$ip</span> = <span>$ipArr</span>[<span>0</span>]<<<span>24</span> + <span>$ipArr</span>[<span>1</span>]<<<span>16</span> + <span>$ipArr</span>[<span>2</span>] <<<span>8</span> + <span>$ipArr</span>[<span>3</span>] ;<span>?></span>shift is more cheaper.</code>
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‘).text(i)); }; $numbering.fadeIn(1700); }); }); </script>以上就介绍了php ip地址转换整数，整数转换地址，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。
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