Receives data from a socket, connected or not (original) (raw)

<?php /* Open a server socket to port 1234 on localhost */ $server = stream_socket_server('tcp://127.0.0.1:1234');/* Accept a connection */ <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>s</mi><mi>o</mi><mi>c</mi><mi>k</mi><mi>e</mi><mi>t</mi><mo>=</mo><mi>s</mi><mi>t</mi><mi>r</mi><mi>e</mi><mi>a</mi><msub><mi>m</mi><mi>s</mi></msub><mi>o</mi><mi>c</mi><mi>k</mi><mi>e</mi><msub><mi>t</mi><mi>a</mi></msub><mi>c</mi><mi>c</mi><mi>e</mi><mi>p</mi><mi>t</mi><mo stretchy="false">(</mo></mrow><annotation encoding="application/x-tex">socket = stream_socket_accept(</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">soc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mord mathnormal">e</span><span class="mord mathnormal">t</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal">s</span><span class="mord mathnormal">t</span><span class="mord mathnormal">re</span><span class="mord mathnormal">a</span><span class="mord"><span class="mord mathnormal">m</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">s</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord mathnormal">oc</span><span class="mord mathnormal" style="margin-right:0.03148em;">k</span><span class="mord mathnormal">e</span><span class="mord"><span class="mord mathnormal">t</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.1514em;"><span style="top:-2.55em;margin-left:0em;margin-right:0.05em;"><span class="pstrut" style="height:2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mathnormal mtight">a</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.15em;"><span></span></span></span></span></span></span><span class="mord mathnormal">cce</span><span class="mord mathnormal">pt</span><span class="mopen">(</span></span></span></span>server);/* Grab a packet (1500 is a typical MTU size) of OOB data */ echo "Received Out-Of-Band: '" . stream_socket_recvfrom($socket, 1500, STREAM_OOB) . "'\n";/* Take a peek at the normal in-band data, but don't consume it. */ echo "Data: '" . stream_socket_recvfrom($socket, 1500, STREAM_PEEK) . "'\n";/* Get the exact same packet again, but remove it from the buffer this time. */ echo "Data: '" . stream_socket_recvfrom($socket, 1500) . "'\n";/* Close it up */ fclose($socket); fclose($server); ?>