Access $_GET Superglobal
Reads a value from $_GET through an allowlisted key and returns a trimmed string default when missing.
Open SnippetSnippet Library
Practical pure PHP patterns that are easy to study, adapt and use.
Access $_POST Superglobal
Reads a value from $_POST through an allowlisted key and returns a trimmed string default when missing.
Open SnippetAvoid Request Shortcuts with Explicit GET and POST Intake
Shows separate explicit $_GET and $_POST intake branches without using $_REQUEST.
Open SnippetAvoid Null Coalescing with Explicit Defaults
Demonstrates explicit isset() branches for default values instead of using the null coalescing operator.
Open SnippetAvoid Ternary Branching with Explicit Flow
Shows a readable if/else branch for choosing a label instead of using a ternary expression.
Open SnippetSpaceship Operator (<=>)
Uses the spaceship operator inside a named comparison function for sorting numeric priorities.
Open SnippetVariable Variables
Demonstrates PHP variable variables with an explicit allowlist so the selected variable name is controlled by code, not raw user input.
Open SnippetMagic Constants
Returns common PHP magic constants from inside a function so their file, directory, line, and function values are visible.
Open SnippetRead a CSV File
Reads a CSV file with fopen() and fgetcsv(), returning rows only when the file resolves under an approved base directory.
Open SnippetWrite to a CSV File
Writes scalar rows to a CSV file under an approved base directory with fputcsv().
Open SnippetUsing array_map()
Uses array_map() with a named callback to normalize every string value in an array.
Open SnippetUsing array_filter()
Uses array_filter() with a named callback to keep only non-empty scalar values.
Open Snippet