JuniorTheoryCommon

What does the program print (lines separated by spaces)?

PHP

<?php

$a = 10 / 5;
$b = 7 / 2;
$c = (int) '12 apples';
var_dump($a, $b, $c);

int(2) float(3.5) int(12)

Expecting float(2), as if / always gave a float: PHP's / on two ints returns an int when the division is exact and a float only when a fraction is left.
Expecting (int) '12 apples' to give 0 or an error: a cast reads the digits at the start of the string, drops the rest and gives 12 without any message.

What do var_dump(10 / 4) and var_dump(intdiv(10, 4)) print?
What happens with '12 apples' + 1 instead of the cast, and with 'apples' + 1?

JuniorTheoryCommon

PHP

<?php

$a = 10 / 5;
$b = 7 / 2;
$c = (int) '12 apples';
var_dump($a, $b, $c);

int(2) float(3.5) int(12)

Expecting float(2), as if / always gave a float: PHP's / on two ints returns an int when the division is exact and a float only when a fraction is left.
Expecting (int) '12 apples' to give 0 or an error: a cast reads the digits at the start of the string, drops the rest and gives 12 without any message.

What do var_dump(10 / 4) and var_dump(intdiv(10, 4)) print?
What happens with '12 apples' + 1 instead of the cast, and with 'apples' + 1?