Safe Concurrent Write to a File Shared Between a Perl and a PHP script.Is it safe to use PHP exec() to handle system-related tasks on a server?.Safe way to connect database with php using MySQLi.PHP error "It is not safe to rely on the system's timezone settings." when using $_GET.PHP - is it safe to store anything in the $_SESSION superglobal?.How secure is PHP object serialization and is it safe to pass across pages? (Using phpXMLrpc).Is there an alternative to php readfile() in safe mode server?.PHP list() assign - trim before assign or any other function?.PHP Warning: date(): It is not safe to rely on the system's timezone settings.Is a regex safe for user supplied filenames - PHP.How to decrease PHP time limit in safe mode?.What kind of these characters and how I trim it with PHP.If you try using multibyte characters as part of trim's character mask you'll definitely run into problems as each byte will be treated individually. If you're concerned about other encodings then it's going to depend on what they are. With UTF-8 trim using its default character mask is safe. It is ASCII compatible and all single byte characters in UTF-8 are in the form of 0xxx xxxx while all bytes of a multibyte character have their most significant bit set, 1xxx xxxx, so there is no ambiguity. If you're only worried about UTF-8 then no, there aren't any conflicts. If your string "a" is in UTF-16BE it will be encoded as 0x00 0圆1 - with trim again leaving you with just 0圆1.Įxample: $utf16le = iconv("ASCII", "UTF-16LE", "a") Note that this problem goes the other way too, trim strips bytes from the beginning of strings as well as the end. The string "a" in UTF-16LE consists of the bytes 0圆1 0x00, and trim will remove the null byte leaving just 0圆1. Both UTF-16LE and UTF-32LE have tons of characters ending in null bytes, for example, which trim removes by default. It depends on the encoding you're talking about. Select2 v4 how to paginate results using AJAX.Disable Laravel's built-in error handling methods.Laravel phpunit testing get with parameters.Laravel Session Flash persists for 2 requests.Laravel 4 - Child constructor call parent constructor with dependency injection.How to force FormRequest return json in Laravel 5.1?.
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