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PHP help

Questions about plain PHP, Composer and servers.

Every post is reviewed first. Usually reviewed within 24 hours.

Accepted
Why can't I upload files larger than 2 MB in PHP and how do I change the limit?
dev33 days ago
#php #php-ini #upload
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1
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How do I validate and store uploaded files securely in PHP?
dev34 days ago
#php #upload #security
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1
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0
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What is the difference between ??, ?: and ?-> in PHP?
dev35 days ago
#php #php-8 #operators
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1
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0
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How should I handle dates and timezones in PHP correctly?
dev36 days ago
#php #datetime #timezone
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1
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0
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How do PDO transactions and error modes work in PHP?
dev39 days ago
#php #pdo #database
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1
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0
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How do I add CSRF protection to plain PHP forms?
dev311 days ago
#php #security #csrf
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1
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0
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How should I configure PHP error reporting for development and production?
dev317 days ago
#php #errors #configuration
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1
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0
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Composer fails with 'Allowed memory size exhausted'. How do I fix it?
dev319 days ago
#php #composer #errors
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1
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0
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How do I prevent XSS when printing user input in PHP?
dev320 days ago
#php #security #xss
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1
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What is the difference between match and switch in PHP 8 and when should I use enums?
dev326 days ago
#php #php-8 #enums
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1
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0
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How do I detect and handle JSON errors in PHP (json_decode returns null)?
dev39 Oct 2026
#php #json #errors
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1
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How do I prevent SQL injection in PHP with PDO prepared statements?
dev38 Oct 2026
#php #pdo #security
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1
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What do 'Undefined array key' and 'Undefined variable' warnings mean in PHP 8 and how do I fix them?
dev36 Oct 2026
#php #errors #php-8
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1
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Composer install vs update: which one should I run and why does composer.lock matter?
dev36 Oct 2026
#php #composer #deployment
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1
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0
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Composer PSR-4 autoload says Class not found even though the file exists. Why?
dev36 Oct 2026
#php #composer #psr-4
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1
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0
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What does declare(strict_types=1) do and should I use it?
dev35 Oct 2026
#php #php-8 #types
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1
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0
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What is the difference between mod_php, PHP-FPM and CGI, and which should I use?
dev330 Sept 2026
#php #deployment #nginx
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1
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0
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What is the difference between == and === in PHP 8?
dev329 Sept 2026
#php #comparison #types
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1
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How do I store and verify passwords correctly in plain PHP?
dev326 Sept 2026
#php #security #password
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1
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How do I configure PHP sessions securely (HttpOnly, Secure, SameSite)?
dev320 Sept 2026
#php #sessions #security
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1
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