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Benefits of using the conditional ?: (ternary) operator
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Be careful with this in PHP, the ternary operator associates the wrong way in PHP. Essentially, if foo is false, then the whole thing will evaluate to 4 without doing the other tests.
– Tom Busby
Mar 21 '15 at ...
Preserve Line Breaks From TextArea When Writing To MySQL
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Two solutions for this:
PHP function nl2br():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r");
// will output
This<br />
is<br />
a<br />
string<br />
Wrap the input in <pre></pre> tags.
See: W3C Wiki - HTML/El...
Understanding Magento Block and Block Type
...tml. This is probably found in the file app/code/core/Mage/Page/Block/Html.php because class names translate directly to locations in Magento.
Were you using a model alias instead of a block alias then page would be Mage_Page_Model instead. The same thing happens for resource models and helpers too...
Origin is not allowed by Access-Control-Allow-Origin
I'm making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap ).
18 Answers
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Calling a function within a Class method?
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Is it possible to run a function() from another .php page inside a class function and then grab results inside the class function? e.g I have a query that selects all from a table and then returns a fetch all result set. Is it possible to loop through that result set inside...
How do I check if a string contains a specific word?
...", we can't use simpler constructs like !strpos($a, 'are').
Edit:
Now with PHP 8 you can do this:
if (str_contains('How are you', 'are')) {
echo 'true';
}
RFC
str_contains
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Submit HTML form on self page
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I used <?php $_PHP_SELF ?> and got the error that action cannot be blank, i guess ill just leave it off
– Drewdin
Feb 18 '15 at 12:04
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How to Convert Boolean to String
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Perfect answer. This is the "PHP" way of getting a "...a parsable string representation of a variable"
– peterchaula
Sep 30 '19 at 8:17
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...了！
加上__attribute__((noreturn))则可以很好的处理类似这种问题。把
extern void myexit();修改为：
extern void myexit() __attribute__((noreturn));之后，编译不会再出现警告信息。
__attribute__ const
该属性只能用于带有数值类型参数的函数上...
Search text in fields in every table of a MySQL database
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If you have phpMyAdmin installed use its 'Search' feature.
Select your DB
Be sure you do have a DB selected (i.e. not a table, otherwise you'll get a completely different search dialog)
Click 'Search' tab
Choose the search term you wan...