「PHP」に関する記事一覧｜ブログ『BLOG AND DESTROY』

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<img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-768x475.gif 768w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-1308x808.gif 1308w" sizes="(max-width: 552px) 100vw, 552px" />

【WordPress】本文内に、アドセンス広告などを自動で追加する例

<img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" sizes="(max-width: 552px) 100vw, 552px" />

【PHP】文字列を検索して置換する方法｜str_replace()・preg_replace()

【WordPress】コピーライト表記内の年を自動で更新｜PHPのdate関数

【WordPress】SNSシェアボタンの共有リンクを作成｜Twitter・Facebookなど

【WordPress】jQueryでAjaxを実装する簡単な例｜ajaxメソッド

<img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" sizes="(max-width: 552px) 100vw, 552px" />

【PHP】.（ドット）と.=（ドット・イコール）｜文字列演算子

<img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" sizes="(max-width: 552px) 100vw, 552px" />

【PHP】?（ハテナマーク）と : （コロン）条件演算子｜条件分岐を一行で記述

<img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-768x475.gif 768w, https://blog-and-destroy.com/wp-content/uploads/2017/05/eye-c1308_808_WordPress02-1308x808.gif 1308w" sizes="(max-width: 552px) 100vw, 552px" />

【WordPress】カスタムメニューのid・classを削除・追加｜シンプルにカスタマイズ

cronでPHPを自動実行する例｜mixhostでの設定｜WordPressなど

<img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" sizes="(max-width: 552px) 100vw, 552px" />

【PHP】配列のソート（並べ替え）｜ksort()・krsort()・asort()・arsort()

【WordPress・カスタムフィールド】「値」を「キー名」の昇順・降順で出力

<img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" alt="" loading="lazy" data-srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" data-src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" data-sizes="(max-width: 552px) 100vw, 552px" class="entry-img wp-post-image lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="552" height="342" src="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif" class="entry-img wp-post-image" alt="" loading="lazy" srcset="https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-552x342.gif 552w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-130x80.gif 130w, https://blog-and-destroy.com/wp-content/uploads/2018/07/other_eye-c1308_808-768x474.gif 768w" sizes="(max-width: 552px) 100vw, 552px" />

【PHP】連想配列の作成と、連想配列のキー・値を取得し出力する例

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