<?php
$a = "1234567890";
var_dump(isset($a[010])); // true
var_dump(isset($a["010"])); // false; 10進数の10として認識されている
var_dump($a["0x1"]);
$a .= "a";
var_dump(isset($a["010"])); // true
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- bool(true)
bool(false)
Warning: Illegal string offset "0x1" in /in/PQ4Q1 on line 6
string(1) "1"
bool(true)
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
- bool(true)
bool(false)
Notice: A non well formed numeric value encountered in /in/PQ4Q1 on line 6
string(1) "1"
bool(true)
- Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.3.32 - 7.3.33
- bool(true)
bool(false)
string(1) "1"
bool(true)
- Output for 5.1.0
- Fatal error: fatal flex scanner internal error--end of buffer missed in /in/PQ4Q1 on line 9
Process exited with code 255. - Output for 5.0.0 - 5.0.2
- bool(true)
bool(false)
string(1) "1"
bool(false)
- Output for 4.3.0 - 4.3.2
- bool(true)
Notice: Uninitialized string offset: 10 in /in/PQ4Q1 on line 5
bool(false)
string(1) "1"
bool(true)
preferences:
256.94 ms | 401 KiB | 355 Q