Top "Php-internals" questions

How the PHP programming language works underneath, and questions about the underlying C code.

How does PHP 'foreach' actually work?

Let me prefix this by saying that I know what foreach is, does and how to use it. This question …

php loops foreach iteration php-internals
What does "zend_mm_heap corrupted" mean

All of the sudden I've been having problems with my application that I've never had before. I decided to check …

php heap fedora php-internals
__memcpy_sse2_unaligned - what does this mean in detail?

While working on my compiler I got this error: Program received signal SIGSEGV, Segmentation fault. __memcpy_sse2_unaligned () at ../sysdeps/…

c ocaml memory-alignment php-internals
What's the Difference Between Extension and zend_extension in php.ini?

When I installed Xdebug through pecl, it added the following line to my php.ini file. extension="xdebug.so" and …

php xdebug pecl php-internals
I am facing more memory consumption in Php 7 compare to PHP 5.6

When I was doing a benchmark, I found that PHP 7 was using more memory than PHP 5.6. So, I did a …

php php-internals
how to write PHP module in C

how can i write my own module in C ? is it possible ?

php c php-internals php-extension
Getting Started with PHP Extension-Development

Please suggest help articles or tutorials about PHP "low" level С-modules programming interface.

php php-extension php-internals
Reading Zend Engine API code: What does ## (double hash) mean?

Out of curiousity, I'm reading the Zend Engine API code and encountered quite a number of ## in their #define's. For …

c php-internals
What is the difference between Mysqlnd, PDO and PDO_Mysql extensions in php?

They seem to be the same thing, and yet different. I don't know which one is which: I know we …

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