- print_r: documentation ( source)
<?php
$array = [1,2,3];
foreach($array as &$val) {
echo $val, PHP_EOL;
foreach ($array as &$val2) {
unset($array[1]);
echo $val, PHP_EOL;
}
}
$array = array(1,2,3);
foreach( $array as &$item ) { }
print_r( $array );
foreach( $array as $item ) { }
print_r( $array );