为什么要对字符串编码? 某些字符串中包含html标签,不编码,页面输出就乱了. PHP下怎么对字符串编码? htmlentities vs htmlspecialchars htmlentities 与htmlspecialchar 区别: htmlentities is identical to htmlspecialchars() in all ways, except with htmlentities(), all characters which have HTML character…
What has changed in PHP 5.4.x Most improvements in PHP 5.4.x have no impact on existing code. There are a few incompatibilities and new features that should be considered, and code should be tested before switching PHP versions in production environm…