Tag: language-construct

Where is PHP echo implemented in the source?

echo implementation language-construct php php-internals

You can lookup built-in functions by searching for e.g. PHPAPI(stream_copy_to_stream) and find the implementation in ext/standard/streamsfuncs.c. How to do that for a language construct like echo? I found it is associated with T_ECHO in Zend/zend_language_parser.y but couldn’t trace how it works from there. Where does Zend Engine implement echo functionality? Answer Given this example program: We can obtain the opcodes

Does JavaScript have a language construct similar to the php list command?

javascript language-construct node.js php symbol-table

Does JavaScript have a language construct or something similar to the php list command? http://php.net/manual/en/function.list.php This command will assign the values of an array to variables in a …