回答編集履歴

1

調整

2022/11/30 07:28

投稿

yambejp
yambejp

スコア114839

test CHANGED
@@ -11,3 +11,19 @@
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  print $val."は存在".(in_array($val,$data1)?"する":"しない")."<br>\n";
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  }
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  ```
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+
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+ # 総当りチェック?
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+
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+ ```PHP
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+ $fp=fopen('test1.csv',"r");
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+ $data1=preg_split("/[\n\r]+/",fread($fp,1024));
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+ fclose($fp);
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+ $fp=fopen('test2.csv',"r");
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+ $data2=preg_split("/[\n\r]+/",fread($fp,1024));
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+ fclose($fp);
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+ foreach($data1 as $val1){
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+ foreach($data2 as $val2){
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+ print $val1."-".$val2.":一致".($val1==$val2?"してる":"してない")."<br>\n";
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+ }
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+ }
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+ ```