<?php
$arr = [1,2,3];
var_dump(memory_get_usage());
foreach ($arr as $k => $v) {
var_dump(memory_get_usage());
if (!isset($arr[$k])) {
var_dump(memory_get_usage());
}
}
var_dump(key($arr));
- Output for 7.3.0 - 7.3.1
- int(388216)
int(388248)
int(388248)
int(388248)
int(0)
- Output for 7.2.0 - 7.2.13
- int(384240)
int(384272)
int(384272)
int(384272)
int(0)
- Output for 7.1.0 - 7.1.25
- int(347568)
int(347600)
int(347600)
int(347600)
int(0)
- Output for 7.0.0 - 7.0.33
- int(347944)
int(347976)
int(347976)
int(347976)
int(0)
- Output for 5.6.0 - 5.6.38
- int(218880)
int(219152)
int(219152)
int(219152)
NULL
- Output for 5.5.0 - 5.5.38
- int(218880)
int(219136)
int(219136)
int(219136)
NULL
- Output for 5.4.10 - 5.4.45
- int(219400)
int(219656)
int(219656)
int(219656)
NULL
- Output for 5.4.0 - 5.4.9
- int(218872)
int(219128)
int(219128)
int(219128)
NULL
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/0nHqk on line 3
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/0nHqk on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/0nHqk on line 3
Process exited with code 255.
preferences:
187.38 ms | 401 KiB | 288 Q