- Tags: Keyword
- Categories: PHP Keywords, PHP Reference, Reference
Quick Reference
The PHP declare keyword sets an execution directive for a block of code. If the declare statement is not followed by a block then the directive applies to the rest of the code in the file.
<?php
$count = 0;
function example() {
global $count;
$count++;
echo $count . ' instructions executed<br>';
}
register_tick_function('example');
declare(ticks = 1) {
$my_cars = ['Ferrari', 'Maserati', 'Alfa Romeo'];
foreach($my_cars as $car) {
echo $car . '<br>';
}
}
?>
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PHP NOTES:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
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