Integrate SPL language-snippets and rearrange SPL docs を取り込み (#4286) #293
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php/doc-en#4286 を取り込みました。
language-snippets.entのEN-Revisionを更新していないのは、この変更は #292 のスキップされたコミットの一つだからです。今の
language-snippets.entのEN-Revisionに書かれている値はe93feee2870bb551cd11d625271b7f82da3ccb05のコミットよりも新しいものになっていますが、実際には反映されていません。