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Array_merge versus + [duplicate]

... Because both arrays are numerically-indexed, only the values in the first array will be used. The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be...
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Insert new item in array on any position in PHP

... Also in PHP manual, example #1: php.net/manual/en/function.array-splice.php – marcovtwout Dec 3 '12 at 13:16 3 ...
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Which characters are valid in CSS class names/selectors?

What characters/symbols are allowed within the CSS class selectors? I know that the following characters are invalid , but what characters are valid ? ...
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Safe characters for friendly url [closed]

... To quote section 2.3 of RFC 3986: "Characters that are allowed in a URI but do not have a reserved purpose are called unreserved. These include uppercase and lowercase letters, decimal digits, hyphen, period, underscore, and tilde." ALPHA DIGIT "-" / "." / "_" / "~" N...
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Formatting Phone Numbers in PHP

...etter in the future. The comment you reference seems to have been deleted. All is well. Happy holidays. – Stoutie Dec 24 '16 at 5:16 add a comment  |  ...
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URL encoding the space character: + or %20?

...he server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline normalization and replacing spaces with "+" instead of "...
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Loop through an array php

... Also checkout var_export, which prints valid PHP code. You can save that to a file, then write the code to loop over it there before putting it in your main code. – Ben Mar 30 '17 at 15:39 ...
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SQL select join: is it possible to prefix all columns as 'prefix.*'?

...e is to assign a dummy column to separate each new table. This works especially well if you're looping through a result set for a list of columns in a scripting language such as Python or PHP. SELECT '' as table1_dummy, table1.*, '' as table2_dummy, table2.*, '' as table3_dummy, table3.* FROM table...
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How to convert date to timestamp in PHP?

... This solution can lead to an unexpected behavior. Those who use PHP 5.3+ should adopt Prof. Falken answer, in which one has full control over the date format. – Luca Fagioli Apr 13 '15 at 20:22 ...
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What's the difference between isset() and array_key_exists()? [duplicate]

How do the following two function calls compare: 8 Answers 8 ...