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A Call Graph Generator for PHP
License: GNU General Public License v3.0
This project forked from wooknight/phpcallgraph
A Call Graph Generator for PHP
License: GNU General Public License v3.0
phpCallGraph A tool to generate static call graphs for PHP source code. The graphs can be leveraged to gain a better understanding of large software systems or even to debunk design flaws in them. http://phpcallgraph.sourceforge.net/ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. Usage: Go to folder bin and run phpcallgraph. The generator requires at least PHP 5.2. In order to generate output formats other that 'txt' or 'cga' the Graphviz toolkit which can be downloaded at http://www.graphviz.org/ is required. For the 'umlgraph' output format you need pic2plot, which is part of the GNU plotutils package. bin/phpcallgraph [-f <string>] [-o <string>] [-r] [-d <string>] [-n] [-p] [-a <string>] [-v] [-g] [-h] [--] <string:sources> [<string:sources> ...] Arguments: <string:sources> Files and/or directories to analyze Options: -f / --format Set output format. Can be 'txt', 'array', 'umlgraph' 'deadcode', 'cga' or one of the formats supported by dot, e.g. png, svg, pdf, ps, ... (see http://graphviz.org/doc/info/output.html) -o / --outputfile Output file -u / --umloutputdir UML output directory (only used for the umlgraph output format -r / --recursive Analyze directories recursive -d / --dotcommand Set dot command -i / --ignore Set a regular expression for files or folders to ignore -n / --noexternalcalls Do not show calls to methods or functions which are external to a class -p / --phpfunctions Show calls to internal PHP functions -a / --autoload Sets a PHP file with an autoload function which will be included into the sandbox of the InstantSVC CodeAnalyzer -v / --verbose Verbose mode for text output format -g / --debug Print debug information (helpful if you get no output at all, since it shows errors during code analysis) -h / --help Display help 3D Graph Exploration: You can use the CGA framework available at http://cgs.hpi.uni-potsdam.de/trac/cga/ to explore the graph with elaborate 3D visualization techniques. In order to generate input file for CGA set the format option to `cga', e.g. phpcallgraph -f cga -o testfiles.str test/testfiles/ Analysis of code in the global scope: Code in the global scope (outside any functions or methods) can be analyzed with the help of a little workaround: Such code can be manually wrapped in a dummy function called dummyFunctionForFile_filename_php() which will then be recognized by phpCallGraph. Of course this is not very elegant but currently the only feasible way due to some conceptual restrictions resulting from the utilization of the InstantSVC CodeAnalyzer. Dead Code Detection You can get a list of methods and functions which are never called by using the output format 'deadcode', e.g. bin/phpcallgraph -r -f deadcode test/testfiles/ Examples: bin/phpcallgraph -n -f png -o PHPCallGraph.png src/PHPCallGraph.php bin/phpcallgraph -f png -o phpcallgraph-library.png src/drivers/ src/PHPCallGraph.php bin/phpcallgraph -r -f png -o phpcallgraph-src.png src/ bin/phpcallgraph -r -f png -o phpcallgraph.png src/ lib/ bin/phpcallgraph -r -p test/testfiles/ bin/phpcallgraph -p -- test/testfiles/Foo.php test/testfiles/Bar.php bin/phpcallgraph -r -f array test/testfiles/ | php -r '$a = unserialize(file_get_contents("php://stdin")); var_export($a);' bin/phpcallgraph -r -f deadcode test/testfiles/ bin/phpcallgraph -g -r -i "PHPCallGraph.php|lib/ezcomponents" -f png -o phpcallgraph-src1.png src/ lib/ Authors: Falko Menge <fakko at users dot sourceforge dot net> Till Klampaeckel <till at php dot net> Christian Weiske <cweiske at php dot net> Martin Cleaver <mrjc at users dot sourceforge dot net> (UmlGraphSequenceDiagramDriver)
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