Unverified50% confidenceFactExact time
在PHP 7及之前,0 == 'foo'为true,PHP 8.0将数字与非数字字符串的比较改为字符串比较,使0 == 'foo'变为false
1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
AI Rewrites PHP Engine in Rust: Already Renders WordPress, Passes 17% of Official Tests
hackernewshackernews7/4/2026
Related Claims
UnverifiedPHP弱类型比较规则中,0 == 'foo'在PHP 7中为true,在PHP 8中改为false78% similarUnverifiedCSV 导入时全由数字组成的字段会被自动类型推断为整数,导致美国邮编前导零丢失(如 01234 变成 1234)58% similarUnverifiedCosine similarity has a value range of [-1, 1]; in semantic retrieval, attention is typically focused only on the positively correlated range of 0 to 1, with values closer to 1 indicating greater semantic similarity.54% similarUnverifiedWhen dealing with OB-obfuscated code, string search becomes ineffective because variable names are replaced, whereas call stack tracing is based on runtime behavior and is not affected by obfuscation51% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/113205API
curl https://kongchang.com/api/v1/knowledge/claims/113205MCP
get_claim(id=113205)