為什麼sapi_windows_cp_get在某些Windows系統中會返回非預期的字符集值？

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<h1>為什麼sapi_windows_cp_get在某些Windows系統中會返回非預期的字符集值？</h1>

<p>在PHP的Windows環境中，函數 <code></span><span><span class="hljs-title function_ invoke__">sapi_windows_cp_get</span></span><span>()