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43 lines
1.8 KiB
Plaintext
43 lines
1.8 KiB
Plaintext
What is PHP4 sapi/servlet?
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PHP4 sapi/servlet builds upon the mechanism defined by ext/java to enable
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the entire PHP processor to be run as a servlet. The primary advanatage
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of this from a PHP perspective is that web servers which support servlets
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typically take great care in pooling and reusing JVMs.
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Notes:
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1) While this code is intended to be able to run on any servlet engine,
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it has only been tested on Apache's Jakarta/tomcat to date. Bug
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reports, success stories and/or patches required to get this code
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to run on other engines would be appreciated.
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2) PHP has a habit of changing the working directory. Sapi/servlet will
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eventually change it back, but while PHP is running the servlet engine
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may not be able to load any classes from the CLASSPATH which are
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specified using a relative directory syntax, or find the work directory
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used for administration and JSP compilation tasks.
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Build and execution instructions:
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Most of the configuration hassles associated with ext/java are associated
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with starting the JVM, and as such do not apply to sapi/servlet. In
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particular, no updates to php.ini are required on any operating system.
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Unix:
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Build:
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./configure --with-servlet --with-java
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Execute:
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add phpsrvlt.jar to CLASSPATH
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add directory containing libphp4.so to LD_LIBRARY_PATH
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merge/overwrite build/tomcat/examples/WEB-INF/web.xml from sapi/servlet
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Win32:
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Build:
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add jdsk (or d:\build\tomcat\classes) to CLASSPATH
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build sapi\servlet\servlet.dsp
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Execute:
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add phpsrvlt.jar to CLASSPATH
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add directory containing php4ts.dll and phpsrvlt.dll to PATH
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merge/overwrite build\tomcat\examples\WEB-INF\web.xml from sapi\servlet
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