type in php
- Date
- 2005-07-18 (Mon)
- Category
- Tech
PHP では int型 0 と boolean型 false が基本的に同値と見なされる、というか値評価の時には int型 0, String型 の "0", と 空白文字列 は boolean型 false に勝手にキャストされる、というのが正確なんですけど…まぁおかげでバグを埋め込んだり（先日あるライブラリにバグを発見して送ってみたら、返事が返ってきて、メンテナをやって欲しそうな感じだった…）、以下の様なことをするのに、やや美しくないことをしなくては行けない。忘れないためのメモでした。
$position = strpos($contents, "\n");
while ( $position !== false ) {
array_push( $lines, substr($contents, 0, $position) );
$contents = substr($contents, $position + 1);
$position = strpos($contents, "\n");
}
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