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What is the difference between self::$bar and static::$bar in PHP?

...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class. Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
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phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法 - 更多技术 ...

phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法这是由于模型管理中字段的设置不正确导致。updatetime原本应该设置为int(10)类型,可能由于什么原因被设置成了datetime类型(可以查看数...这是由于模型管理中字段的...
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How to remove duplicate values from a multi-dimensional array in PHP

How can I remove duplicate values from a multi-dimensional array in PHP? 19 Answers 19...
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How to check if a string starts with a specified string? [duplicate]

...-thread cache of compiled regular expressions (up to 4096). http://www.php.net/manual/en/intro.pcre.php share | improve this answer | follow | ...
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致PHP路上的“年轻人” - PHP - 清泛IT社区,为创新赋能!

今晚在公司,又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题,比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻,但作为一个阶段告以段落的“过来人”,还是想写点东西给“年轻人”。关于如何成长...
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PHP - How to check if a string contains a specific text [duplicate]

... Use the strpos function: http://php.net/manual/en/function.strpos.php $haystack = "foo bar baz"; $needle = "bar"; if( strpos( $haystack, $needle ) !== false) { echo "\"bar\" exists in the haystack variable"; } In your case: if( strpos( $a, 'some ...
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Print newline in PHP in single quotes

... That's not the right reasoning. It's no because in PHP you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :) – hakre May 21 '13 at 9:35 ...
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Jump to function definition in vim

... / is almost always not precise, as it's going to match all ocurrences. I found out you can actually do :tag <function_name> to jump to the definition via ctags. – Fuad Saud Mar 5 '14 at 20:00 ...
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What does “async: false” do in jQuery.ajax()?

Specifically, how does it differ from the default ( async: true ) ? 7 Answers 7 ...
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Why would json_encode return an empty string

... note below Here is a recursive function that can force convert to UTF-8 all the strings contained in an array: function utf8ize($d) { if (is_array($d)) { foreach ($d as $k => $v) { $d[$k] = utf8ize($v); } } else if (is_string ($d)) { return utf8_enc...