?? rrd_graph.php
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<? ## the following line is only needed if built as a self-contained ## extension. If you build the rrdtool module as an embedded ## extension, the rrd_* functions will always be available, so you ## do not need the dl() call. dl("rrdtool.so"); ## ## demonstration of the rrd_graph() command ## $opts = array( "--start", "-4d", "DEF:in=/dir/router-port2.rrd:input:AVERAGE", "DEF:out=/dir/router-port2.rrd:output:AVERAGE", "LINE2:in#0000ff:Incoming Traffic Avg.", "PRINT:in:AVERAGE:incoming\: %1.2lf b/s", "PRINT:in:AVERAGE:incoming2\: %1.2lf b/s" ); $ret = rrd_graph("/some-dir/router-port2.gif", $opts, count($opts)); ## ## if $ret is an array, then rrd_graph was successful ## if ( is_array($ret) ) { echo "Image size: $ret[xsize] x $ret[ysize]\n"; ## ## all results from any PRINT commands will be ## in the array $ret[calcpr][..] ## echo "rrd_graph1 print results: \n"; for ($i = 0; $i < count($ret[calcpr]); $i++) echo $ret[calcpr][$i] . "\n"; } else { $err = rrd_error(); echo "rrd_graph() ERROR: $err\n"; }?>
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