php获取当前域名
当前url:http://localhost:805/test/helloworld.php
echo 'SERVER_NAME:'.$_SERVER['SERVER_NAME']; //获取当前域名(不含端口号)
echo '<p>'; echo 'HTTP_HOST:'.$_SERVER['HTTP_HOST'];//获取当前域名 (含端口号)
echo '<p>'; echo 'REQUEST_URI:'.$_SERVER['REQUEST_URI'];//获取当前域名的后缀
效果:
aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAAWUAAACeCAIAAABlxYyCAAAbDElEQVR4nO2dW2wb2XnH+ZKX9KkvfFSf9FY/tNKiwVaA0URI21DoQwik6wFSGJLhgu0CAYOtJaEoPC6glotaZSI3SzBZ000aMrte0psqy105Ea21SwI2ll1nyVVAhcmy4ZYr7XBtKQeSS4mWvj7MhXM7Z84Mh7pY3w8HAufMzHe+c/ufywypAEFUHjx4cOfOnd3dXUAQxI7AUXfSY8StW7dQLBCEAepFj9dff/2oqwNBjjWoFz0GpBcjSQwYjntAvXAN6gWGUxtQL1yDeoHh1Aaf9WJ9fX16enp6etrfLrq2tra2tra1tdW/qfX19UwmMz09LQiCIAjT09Ovvvrq+vq6fHZhYcHRgqNebG9v53K52dlZOYnZ2dlcLre9vY16geGkBz/1QhYLQRAuXbrUT5e2sra2Vq1W+5eM27dvX7hwQbBw4cKF27dvLywsCILgaIStF3fv3pWTmJ+fz2az2Wx2fn5eTuLu3btsvSh3gLR8reAaAMBicjDGrSEPZaJkp9OB7HLvVLoFHS0+r0RebRmLoANXTQYXoQVQWx2Mt6rxqy27pJmhAdComUv4cALDW7cZ8ZBx3/RCLxbacO0XW1tb/UvG7du3ZXVYWFhYXV2VI1dXV2WZ0HC0w9CLu3fvCoIwMzMjSZI+XpKkmZkZQRDee++9E68XFSBd+x5S2gEgMJeFkSwsbQLswGWtXXZhadkuntleLzcBurCQhJEkVDpqF/XJYc046gV/6v7oxUDFQqZPyVhfX5eH/du3b1vPXr58uX+92N7evnDhwszMjBYjG9QOZ2ZmLly4QFuYjJwUvaD3kF4vMl5WA2jV1fgVaANU7nO119IOtJt2xv1wWDOOesGfug96cQhiIdOPZGQyGXlmYT3l1/wim80KgqCfWZj0QpIkQRCy2SyXXqRhaVOZw0MXGnWYSPZOpVsgT/w7BK6mYSQJ5+5DQ7ka2hvwoqWryMaXNpVrSFu9hpnWXB1It5fQ4ib06MDVJCwRAAKzSRhJQqULpKXce2NDnUeUgACUdGuTSpevo96HDkBpRcmFRrkEI0mYuNfLb6ul5kWXkVYTJpI2DpuNq25k60qRgm7FJBsEtajTanyDohcvVqClekXU6xc3AYhapMvQBmg1dD12Ryk9rU4NOVIrrkQAABo1Y6GlIdtW8kvakLYtzxoAwNL9nmO1VcUZRsblRDXjHQILWT/04tDEQsazZFy6dEkQBG0ZomESi370YmZmZn5+nl2O8/Pzs7OztqdMelHaAehAehlGkjBbAaJrZIubAB1YXIGRJFxehXINRpKw0obFEkwk4dx9IAC1io1eaG1ltg4d3b4ANa370FHnAlpCph6i14sXK9AGIJtQ2gToQqlkc70+m/r9C7KptEgtZNsABC6qhw39/GIF2gCNOpxLwrkVaHQVhxc2ADqwkIWRLGQ31ETtpgB647IbpA2zaZhYhkYXoK30qNIOdDbhsrbCIko3btjpxUQFOgCtBpxLwkgWVghAF26k4WIDACCdhJGk8hnaihsrRCmKdBugCyv3YCQJ5+5BqwudDcUHfcWdyxr0It3utYS5BpAuVS9gB7LqZR1VcxkZlxNtNeBiGiaWodIB2ISL/euF3A8dcfXERFYER9bW1vhtcmoBDzS9sM4dTPMLUOcgtrcb9KICoI5+cpB7wlXjwEgLPTsmvdjsTRy40qoBAKzkbdqf/Qw8a5i/zGUd9GIircRcLEGj0+uN8sjZMO50NnR6kW73WrbS7glclJV0R2eE5rDRuNxtFtO6Qzn7FQCArBovT5RWFql6UdoxeCXvpzZqypxC7qLpNpAdgC7cUDNVeahcoM/sxXrPpXLHoJs99yybwUuEqhey6I9oIrjBzLgl0YlVAICVRWelkOlXL1w9MUG9mLNOLNV2Odu0n8OfuweVTSBddXZqpxf6/QuetEYWodEFAGi01M7P0Is0lDvQ2YGFrDoi6UTHVi/0QW6R2rJF7jBp3QUNnV6UO2CmA1eTcLEGHQDoQLkG5+h6YTJuWhZph3MtSypqt2/Y6UVDv01jzKm2V1LpQqUCDTmnD6EjuyEvGdK6e0tA1LRMxdXz1nKX/frOkv3FTYBNVsZt6kj1hxPWekSWjOnp6ZO4HtFYX19/+eWXM5mMoyn+9YhVL+bn5/UbonpGTBN1Sh+2bxP3oQPQasHCMryYpc4vbPWCkZasAjca0O4CyCMhQy/k5ruoHq5AW14WPYSOOizLodLtra1se4h+DKTpBW3vdmIZVtqKatxI2ztsMk7rNoztFZpemHZkDYVM4OIytAHSSVgh0GrAXEudj1iLlFsv9HedAL0ghygZA9rvlJE3Mvp5X8vP/c4KgHEhsLChboxZTlkrXt535NQLVlq6sLKjNDK2XvRmBGl1Nm5aWaxAW13+TOjGRnl+ociNvEVqXHM1TOsR9aGscnva6Ewe2rRHGBbj1G5jWalpqdjqRWkHOpb1iLKR9BA6AIsNZeditgnQhhWiGllWtVW9Vz8DourFPSCaiKsO0PRCnwvafrN5PaLLi7YF44NekEORjP6fp05NTQmU56naqxkfffSRoynG89SpqSn9dqZJL2ZmZqampjifp5Y75j1Iw2y8o2xfXa5BpQazTQCApWUYSUN6A8DNeoSVVg0adbiYhpEsVDrqmFwBACjfg5E0TOj3O1egDUA2YDatbDdCFxYXYUR+ViLbz8IKgc6msjAuEVgpwUQSLpag1e11NlvBqgG0WzCRhIk0TDyEDkC7qfiWbUGlBiNJWNyAJd2mr7JoNzpsNU7tNmmodKGzAzcWYSQJl1ehpc5KbPVCXg0Z9jt1ZmsARHuFpASkA23dtGtx07zfqa8de73Qb1Sn4UZTmVVpWxvKJK4GAGou5Oah1ouDXgDUanDO6I8/ekEGLBn+vq917do1bWHy3nvvXbt2TY63lRIrju9rzc7OWt/Xkl8Pd/G+VhZWtGecHShXdANXFla0bcVNmEvDSFp53gYAraa79QgrrWzPrJKQPNeQI3dgzvJ8pPc0cQeW7qn2dU8l9XYmStDqqm7rnonWLBsBI0m42lA8LN2DkSTMriqrJP295+6rBo1PhXsO2xlndJuJZajsqJ5zPE+dXYV2R5dT3RMf+cmutl6rdI2ylYbshvpcs6s8+nHUC/0LtWQTsi2qXpR0D021enFYj7R7xrUS5oT3fXBNMrx1aRp+vQ9+7949eZZhYmpqilMsCMf74HIS8/PzuVwul8vJ74NPTU0xxALw+yNqmKgB6J9KnBzjxzR4eqOMtkPkp14QVTIG8f0Rf79vJuva1NTU5cuXM5mMqwkRz/fNstms/AK4IAgzMzPZbBa/b8YZlkjv9YSTZfyYhuOsF6cB/D47hpMUUC+OFtQLDKc2oF64Bn+/E0HYoF70QL1AEDaoFz3w/wkgCBvUix74/4oQhA3qhYEHDx7cunXrdQRB7EC9QBCEF9QLBEF4Qb1AEIQX1AsEQXhBvUAQhBfUCwRBeHmm9GJ7e3t3d7fb7e7v7+/v73e73d3d3e3t7aP2C0GeEah68eQLfygHnsPjAOM9q93d3aP2ri9K79y8cv6sPpTeuXnUTtlzglx1xbOaL0dMPyjzjOjF3t4eABzs7j7Jph9Hvt7+ypj0p88/vijsvP6Dg91dANjb2ztqH71z5fzZR7U3H9Xe7Hz8087HP60tz185f/aonbLnBLnqimc1X46Yfnz/UPSinBDiRWt0PRUKUBELXKYJUWcW+9LG46kXpC89Zwpbl148yllGPRVykxcrpXduvvIPU+/ffOn9my89fOObD9/45gev/8312b8wDXfOI14zMxlOVQkhpBgfjxnroyDSa4K/LnxzdfC4qhZf8lWMiTlJTllNuJoKG+tBykfHE2XVxUwkmqvrT7NrSa2nZi4ymWvK9kNiUc6tEIoVmpzZNcCrF7sqPIdOFGOjkZxkjq2nQqFUvXfQqz/DARv5560OdncfTX5N+tJz7T//4+1Xv7NXebj34Qfb11959Fdfffrxb7SFCXUvo56PT44PBwOBQHA47LFkKZb71Ysr588e/Pbuwdbdg6139zff3d98d//xu08frTx9tPL0szvd9p2uVOhKhZ3V1JXzZ588eUKzU4yNKc3I+JkjA7z+9+2qbgQJDo8JsVzV0mh8wlW1+FAFxVhILFZTIbFQ1/5I+ajRBSkfCUWjlEG011VIQdQdmI6IlI+ox4VoSB4gCCH1XFSIFdwXJ69e9Alz7qDk3Re9kCcX3YcLn331j6Qvf2Hvw58bti729503Mqqp8NC4mFfaZrOciUYydZvrPOGHXuxvvXvwePng8c8OHt0++OydAyl/8OlPDjZ+DJ/koPUGfPwafPza9vJLLL0oxkbHE1XtUMpHRqNa62GMW0rTPiRX9YUlVQuJydFR0UMb58CtXvSVL6kghsSCROpGvSiIQUN/qCZCfCrO0gspHw0rh9XEWLSflkcI4deLP7guyEE+/L1/2ZaDfLj1g4AcaLfztDJf1iPdbhcAnj54bnfx809++Lfsb9d1u12LgWJsYI2SEJ/04vG7B58tHbTfPpDeOthYPFh/Ez5Ow2++D43r8Ovvwq8S8KsESy+kgmhQCyVuLJyq2lxtzYAbvejLVUthVVOhYDQ/gMpxrRd95KuZi6eqpFmtlvUNPhKNBsUCIUVxNFYkhDRzk8FQqk7pFgZfWXrBHqgDgUAo5aqgjkQvCmJIba7F+Li6l+HL/GJ/fx8Aund+p7v8uYPP3tak4Ytz2/rw9zf/DwD29/fN9xdjZ8YS1G7TLMSE0aFAIBAcHo+kykrDlcqpiLx6GRoVdKuXaiYyPhQIBIZC8UxcaY/6hlnNi+HhoMs1z5XzZ58+Wjn49CcHG/8Jn9yC5g/hf/4dPnoVfp2E+ivwy3+DagyqMfrgVoyND9kqQzUVHhYScqZsmpnitTu96MtVm17czE0qMQUxEErk4qGhQDhTL4i6+bl2UBADoVQhFxkfCgSCw+NiXi3jZiGmFny8KNmnNMh8EdLMTY4Z9yrqGTEcz0tSPhLO1Ek9Ex4bHTUsLOwKxwHTRGMy0//C+jD1opwYj+SahJB6Jqx0ymKst9VWT4Ui2tjRp14UPt9d/txBO0/Ti7/LUPRC3/J6NSIWCCFSQTwzGs3VJUIIaebFUXmoq6dCwXCi2CSEEKmaCgfloVu9Wr04YNILqSiORzRj0TMCZ2VeOX+2K92BT3LwvzehcQM++h78KgG//A788hqsLcAHc3KgNdZ6blLQxEIqiGqHkalmIvKWm7nEC6I3vejHVdteXBAD4YwiBsExUZFZql4Ex5QKa5bjoYBSxsWEmJcjc5GgbM2tXvSXL6kQPTOZk/QLv1CqLuVjiarSIYqJWCEn+jC/UGlmBAcrfBzSfmdRDIoFUk2My1VWjJ0JZ+pGufBzPfLb4u8/Wv7dH38wDxb+8Vbni3Pb8/mO/XqkKAZDxsFXa0oFMaA/VU2FgmKR1FOhgH5ZWIjKDdpoSDOit+Yph1fOn93bWIbmj+DX34X6K0obrX0bat/SWiqzsfaoJkJhys6MX3rRn6vWXlyXC132qDcRZMwvtCqQ8hHVWLOaT8Vjsejk+HBQNudWL/rJl5SPDAWDNqlVU1FRDGvrLfuOb6WeMuxz2N5WTYSi8biou8zNHreOw9nvVDdpmxkhlKoTIuWjw7EiKcbCurm/unIjhPS73/nfv3j5z26GvnDza+9Lq3qxqH2y/+V/3v7i3PZ/1Z7a73dK+WjQuLY36kWvJnR6IdrohfHqqp1ehHj2C8xcOX92t/UzaHwf1hZg7dtQ+5YSdC2VSy+qqbCiFlI1EY0VDbsCfq1H+nPVun+RGD+jbC7ZS4ThwFjEqrFmbnJoXMwUyvVms5ywWSYOOl/FeCyTCIkFywSWVBNjZ0TdtrOWDebwWdD3G1u9aOYmQ4kqkYqxiLzebPLuVlnwuB7Z+3FADraHFoqxUXlUaGYmNVUzraiqibHecqTP56m7T/f+8p3o6Gvh52++8O2f/6D86YfvS7/43oc3v/IfyT/5p62/vv7k4ID6PLWeEYZGJ1PFpuyLVIyPKSuIfDRoWI/I1VRNjBvWI0NyBpu5yeCosmSu56JjQfN6RLFGCCHNciLG+wjGJ72opgT9xmGzIEb07Yde4kelF1K1EBeGx7TuZJCIeioUULbEqqlwsKcXAbUKeuvHYuyM0imbedFSLYeSL7UQqylVNsRcIZEp5CaDwV4f6OmFSQB6kz1CSDUVMsiF9fJqKqztlTTz0ZAwGRoOJ8redo0PQy+kfGQ0ZnlBq5mZ1LfYYuyMfn5kaJbVBHcbJeoU49Odz154Jzr6WtgUXnjzXze2DtjvazW1DcxAcHhMEDNq4VYzdhubzWLcZheUNIvx8HAwEBgaj+QKlvmFsk06FAgEhsYjGW6tv3L+rJT/xvbyS+wg5b9B1wupIIai+Xq9XMil4tHJ0Ojw8FhoUhBMkwxbqokxF3rRn6uG9y/GJ+N5XT8wzt8kXVmnorr5RTyjnVBrpqrugAoZu2o5hHwprbuZEcYTVUIK0aFQvFhMhcdixXIipA78zvMLqZwQhs3zBNPzVG0mIVWLmfjk+Oh4JCaGx8JiquDlbZbD0ItiLJKpM7cnxEI9EzG88ymXqHrPkODuDQj5ffDd/b0frb319Z9eev6NF56/+cK5pW9eX80+6VJ2LgYK+7GLG6zfXKCFt167bttYmzkhGAgMjQqReCpXKNe1VlOMi9a36LSbJpW6GuJe9vbvan+YFpC+0X++6qmQmC/GBd2D+2JMmeA181F5n8FxflGMhW0GGsPlxVhILDTrmcnRUSGSyBS1ypbqhZQojI65fbXoSN7vPAyO/Ptm9YyorFKaxUQ4aH7hoQ+ecONXiifT1UHpBTlRVeAvvN83O4kc9ffZq5nImPWtDOSwGKBeIDLPlF4gCDJQUC8QBOEF9QJBEF5QLxAE4QX1AkEQXlAvEAThJfD2W29jwIABA08IsH9gBkEQRAP1AkEQXlAvEAThBfUCQRBeUC8QBOEF9QJBEF5QLxAE4QX1AkEQXlAvEAThBfUCQRBeUC8QBOEF9QJBEF7s9cL0a97WGDmSJ552Gacdqt/Ga6x3mSzY5sVDuo4u9WPBg/2BpoggJmyamrVFHm081XUngaBd7/ZGVwy699rma6ApIoiGF71gdzB+XeC0Q3WdY0JhG0O70ZeOd9L1AtUHYeCsF9Z4D3rB0z896AU7OdQLX+wjiIaDNJgiGUto2imrQQ92GE76ohf8iXJ6ZY2kJeFYFI729ZnitGNb1G7LHzmFUJsFZ+dnxNNOebBD81D/wTEJ/WU8/njDsYfbJs1wg30I3NMlz/YRRINrzm/67FYv+tcdtm+2EmAdJz3ohYeRll8v2JYZUwNv9vnTZZxFTjm8036gtyTagAl2ndObHR7H2HMZ02WcaR2VXjgWqQf7jnrq6BWC2C+2bQ954nmGaG922H7qU2Hbd9SLPjtM/3rBWVxu7XtLDkH0+KwXjoee7bD9HJBeDHR+Qfs86PJ0ax9BNOz1wjpfDVgwxZtu1x8yjPPboTlpSojttukyhj88PvCUm/WUY0ZoXvGUGyP7PH56yDVyqsBmgSAIL8ddL6wjLY5+CHJUYMdDEIQX1AsEQXhBvUAQhBfUCwRBeEG9QBCEF9QLBEF4Qb1AEIQX1AsEQXhBvUAQhBfUCwRBeEG9QBCEF9QLBEF4Qb1AEIQX1AsEQXhBvUAQhBfUCwRBeEG9QBCEF9QLBEF4Qb1AEIQX1AsEQXhBvUAQhBeHf4dB+3lu2j/FYMQ7+EFJ1/bQepejP16Kpr/bvdkfaIr8LtGKmnbx0bqNHBq8/99M33V54ml2WK64/D+Jrvz0zKC7gW3PHGiKnJ7YFjWj/JHTAK9e0A4Z8b7oBcOsNz/dctL1gt8aj14z4pHTwLOjF47+eONZ1Qvb9YXtIeoFonGC9YJtc6B64bjOZyz1He1rGee3EzDCiDTdQnOGUcima2ztIM8qDp3BcRRixLPbK2e6jh2MZtyvRszjAPszuwAde7KjHbf22TjWuEmPvKWCnFAOb37h7Ir7+YXb1D0Mhvx6wbbMr79udcExXcZZ2sU884t+EkJOKM+IXnD6eVR64ar7eZhH0MSI7VX/6XpLCDm5nGC98HcezukVIyFvQuaLXriyT6PPeQ3qxWnguOuFKZ5/oD78+QXt86D1wnN98d/oti6QZxWbxqpvSexD2l2MK6l+uE83YITtjz7erUvspNkZsTUVUKdOVjuchwG7oqbljr8oHPPFk1nkGQZrGkEQXg5bL6wjLQ5QCHJSwI6KIAgvqBcIgvCCeoEgCC+oFwiC8IJ6gSAIL6gXCILwgnqBIAgvqBcIgvCCeoEgCC+oFwiC8IJ6gSAIL6gXCILwgnqBIAgvqBcIgvCCeoEgCC+oFwiC8IJ6gSAIL6gXCILwgnqBIAgvqBcIgvCCejFAjup3jPH3k5EBwfoPFLT/fGH9RW/GP8Wg3c62o51y+2PiHtLlN+4KH015SNdDXmgl4HvJ9OmP9RrPxr26dnpx8f/NeOJpn93aAV27Z1/Wv/+cZt1ytHrh2QHaXUeeHc8X+H7jacaLXjBEgXaZox23hwyOg14wisV3y7SzqBcDuvE0c3z1gu0V/5WoF77YR71AgKYXemzj9ZHW221P6eNpS1NGFfqiF96SdovVAVq6PPGc/tumq7+LJ12rEXY8zUla6oxMMVyl+cMoCtNl+g8mywz/2ZZPJ6xmR6s5fTyjwTnezmiCDK8c8Zwup323DtAieYrX8ZB9pW1NebPP6T+jtBkJmXqsoz/sFmi9mNZ0aeXDbiqnmWOnF45mHfFRLzwMMq76mwm2BQ/2bQ9p6fpi37Ne2CbKny4Dt7rs1v6pwoV4M7qZbXPnrA+qZ16rrU+ZM0UOVC8YRmw7cz/2D0ePaH8Z/rBdQr04VnjXC5pSeK4Pdj0diV64pZ92z3kjQ7U5b0S98BaPgKNegJvyNY2Hx1kvOO27nV/40u69+ekY2Wc5e/Ofpz0wEqWdsm1ytMpy6w+nY6cTm0Zg7fa2sO+y3kuzRkuIxz41V/R0TdfwpMufKI9XbD/Z/tjaYVxDy76rdHnqheaP4/Wcxq151CKtH2hFYZsp6yEjUcTnEjnNpXxUGT+1Bc6J2/LB8mRwUosmQOGo/UKOF24bBjYkNlguCILwgnqBIAgvqBcIgvCCeoEgCC+oFwiC8IJ6gSAIL6gXCILwgnqBIAgvqBcIgvDy/yb7tcWkVo6OAAAAAElFTkSuQmCC" alt="" />
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