Rasmus on Interpolation vs. Concatenation

by
Annika Backstrom
in misc, on 30 May 2012 (history)

Rasmus Lerdorf has been tweeting this morning about concatenation vs. interpolation in PHP. Micro-optimizations to be sure, but an interesting look under the hood.

If you want to examine the opcodes yourself, you can use vld, the Vulcan Logic Disassembler.