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foreachカウンター

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用途

foreach内で何回ループしたかを数える際に使用する。

使用方法

php
<?php 
$hoge = ["赤", "青", "緑", "黒", "白"];
$counter = 0; //カウンター

foreach($hoge as $h) {
	var_dump($h."<br>");
	var_dump($counter."<br>");
	$counter++; //カウントを1ずつ増やす
};
結果
赤
0
青
1
緑
2
黒
3
白
4

 
 
 
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