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Getting the first character of a string with $str[0]

... Does PHP $str[0] take into account that there can be 2Byte long chars? UTF and such? (even though substr() does not help with it either!) – Tomer W Jun 26 '13 at 13:29 ...
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Show a number to two decimal places

What's the correct way to round a PHP string to two decimal places? 24 Answers 24 ...
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Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]

What is the easiest way to encode a PHP string for output to a JavaScript variable? 14 Answers ...
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Why can't I overload constructors in PHP?

... have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why . 1...
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Why is the shovel operator (

... This answer is based on a false premise: both allocating and freeing short-lived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also, some more modern Ruby implemen...
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Why would $_FILES be empty when uploading files to PHP?

...mpServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such...
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Why a function checking if a string is empty always returns true? [closed]

... '' will return true if you pass is numeric 0 and a few other cases due to PHP's automatic type conversion. You should not use the built-in empty() function for this; see comments and the PHP type comparison tables. share ...
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PHP, get file name without file extension

I have this PHP code: 17 Answers 17 ...
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AJAX Mailchimp signup form integration

...mp account. The following is an updated version of this answer which uses PHP: The PHP files are "secured" on the server where the user never sees them yet the jQuery can still access & use. 1) Download the PHP 5 jQuery example here... http://apidocs.mailchimp.com/downloads/mcapi-simple-sub...
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

I have a PHP script that deals with a wide variety of languages. Unfortunately, whenever I try to use json_encode , any Unicode output is converted to hexadecimal entities. Is this the expected behavior? Is there any way to convert the output to UTF-8 characters? ...