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PHP cheatsheet

Strings

$name = 'Dan';
'My name is ' . $name; // Concatenation
"My name is $name"; // Interpolation

Arrays

$fruits = [];
$fruits[] = 'apple'; // Array push

Write to built-in server stdout

Useful for local debugging.

define('STDOUT', fopen('php://stdout', 'w'));
fwrite(STDOUT, $str);