大约有 40,000 项符合查询结果（耗时：0.0387秒） [XML]
PHP prepend leading zero before single digit number, on-the-fly [duplicate]
PHP - Is there a quick, on-the-fly method to test for a single character string, then prepend a leading zero?
3 Answers
...
Checking to see if one array's elements are in another array in PHP
I have two arrays in PHP as follows:
7 Answers
7
...
HTTP redirect: 301 (permanent) vs. 302 (temporary)
...ern browsers cache 301s and won't bother requesting the original source at all for up to 6 months
– Jon
Mar 29 '16 at 16:21
35
...
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( $a, 'some ...
What does the Reflect object do in JavaScript?
...ble:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) understanding and extra examples):
The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
What is the difference between self::$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 ...
How to get the first word of a sentence in PHP?
...
Using modern PHP syntax you can just do explode(' ',trim($myvalue))[0]
– Elly Post
Apr 1 '16 at 6:28
2
...
Setting Vim whitespace preferences by filetype
...
@JamesMcMahon expandtab expands all tabs to spaces. sts (softtabstop) inserts spaces and tabs for indents: as many tabs as will fit in the indent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get ...
How to send a GET request from PHP?
I'm planning to use PHP for a simple requirement. I need to download a XML content from a URL, for which I need to send HTTP GET request to that URL.
...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...ternary operator but not the ternary operator. Major languages (C#, Java, PHP) consider it a conditional operator, and call it the ?: operator. Occasionally (JavaScript) it is called the conditional operator.
– Sheepy
May 30 '14 at 8:02
...