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zval_创想鸟

zval

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PHP中Zval是什么

zval是PHP变量的底层数据结构，由Zend引擎定义，包含value、type、refcount__gc和is_ref__gc字段；从PHP 7起结构更紧凑，value内嵌于zval，减少内存分配；PHP弱类型特性依赖zval实现类型动态变更；变量赋值时通过写时复制共享zval，引用赋值则标记is…

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2025年12月13日
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zval

PHP中Zval是什么