<?php
// nice case of value after looping
$a = array("one"=>1,"two"=>2,"three"=>3);
echo "-----\nPointer\n-----\n";
foreach($a as &$b)
{
var_dump( key($a) );
var_dump( current($a) );
}
echo "-----\nAfter iteration\n-----\n";
var_dump( key($a) );
var_dump( current($a) );
echo "-----\nNo pointer\n-----\n";
foreach($a as $b)
{
var_dump( key($a) );
var_dump( current($a) );
}
echo "-----\nAfter iteration\n-----\n";
var_dump( key($a) );
var_dump( current($a) );
- Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- -----
Pointer
-----
string(3) "one"
int(1)
string(3) "one"
int(1)
string(3) "one"
int(1)
-----
After iteration
-----
string(3) "one"
int(1)
-----
No pointer
-----
string(3) "one"
int(1)
string(3) "one"
int(1)
string(3) "one"
int(1)
-----
After iteration
-----
string(3) "one"
int(1)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
-----
Pointer
-----
string(3) "one"
int(1)
string(3) "one"
int(1)
string(3) "one"
int(1)
-----
After iteration
-----
string(3) "one"
int(1)
-----
No pointer
-----
string(3) "one"
int(1)
string(3) "one"
int(1)
string(3) "one"
int(1)
-----
After iteration
-----
string(3) "one"
int(1)
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- -----
Pointer
-----
string(3) "two"
int(2)
string(5) "three"
int(3)
NULL
bool(false)
-----
After iteration
-----
NULL
bool(false)
-----
No pointer
-----
string(3) "two"
int(2)
string(3) "two"
int(2)
string(3) "two"
int(2)
-----
After iteration
-----
string(3) "two"
int(2)
preferences:
270.26 ms | 402 KiB | 329 Q