<?php
$a = [1,2,3,4];
foreach($a as &$num) {}
echo implode(',',$a).PHP_EOL; // 1,2,3
var_dump($a);
foreach($a as $num) {echo $num;}
var_dump($num);
var_dump($a);
echo implode(',',$a).PHP_EOL; // 1,2,2
- Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- 1,2,3,4
array(4) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
&int(4)
}
1233int(3)
array(4) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
&int(3)
}
1,2,3,3
preferences:
153.03 ms | 403 KiB | 159 Q