PHP Under the Hood

Dive deep into PHP's inner workings with this advanced conference talk from PHP UK Conference 2014. Explore common performance issues by examining PHP's C internals, going beyond traditional profiling methods. Learn why certain code constructs are faster than others, including the difference between ++$i and $i++. Gain insights into tokenizing, string interpolation, variable handling, global code execution, and function calls. Suitable for experienced PHP developers familiar with profiling techniques, this 36-minute presentation covers topics such as opcode generation, method overloading, and the intricacies of string creation and manipulation in PHP.