- var_dump: documentation ( source)
<?php
const ✓ = true;
const ✕ = false;
function ≠($left, $right) {
return $left != $right;
}
function ≅($left, $right) {
return ($left > $right - 0.0001) && ($left < $right + 0.0001);
}
function ≡($left, $right) {
return $left === $right;
}
function ≢($left, $right) {
return $left !== $right;
}
$a = 1;
$b = 2 - 1;
echo ≡($a, $b)."\n";
echo ≅($a, $a + 0.000001)."\n";
var_dump(✓);