PHP Core – Part 1 – Variable Types
summary
Covers PHP core variable types and how PHP handles them internally, with concrete cases and examples showing how to use types more efficiently. Focuses on data types implementation in the PHP engine and practical tips for writing performant code.
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chapters (15)
- 0:00Variable types
- 1:48Basic data types
- 3:59Zend Value structure
- 4:20Integers: range and overflow
- 8:41Floating-point numbers
- 12:53Floating-point comparisons
- 16:50Boolean type
- 17:54Arrays
- 22:19Array collision table
- 26:40Array removal and memory
- 29:13SPL FixedArray
- 31:02Strings and UTF-8
- 33:30String token memory
- 35:13String concatenation
- 36:59Summary & Q&A








