<?php
$xyz[]="a";
var_dump($xyz);
if($xyz != '')
{
echo "xyz is not empty! good to go!\n";
$pw1 = 'my cool password keep it secrete please';
$pw2 = 'some other password';
$abc = strcmp($xyz, $pw1);
if ($abc == 0) { echo "LOLPHP: yes '$pw1' is the same as '$xyz'\n"; }
$def = strcmp($xyz, $pw2);
if ($def == 0) { echo "LOLPHP: yep '$pw2' is the same as '$xyz'\n"; }
$ghi = strcmp($pw1, $pw2);
if ($ghi != 0) { echo "'$pw1' isn't the same as '$pw2'\n"; }
else {echo "i am strcmp, and i declare that '$pw1' is the same as '$pw2'!!\n"; }
$jkl = strcmp($xyz, $xyz);
echo "jkl = $jkl\n";
}
array(1) {
[0]=>
string(1) "a"
}
xyz is not empty! good to go!
Fatal error: Uncaught TypeError: strcmp(): Argument #1 ($string1) must be of type string, array given in /in/XMqip:10
Stack trace:
#0 /in/XMqip(10): strcmp(Array, 'my cool passwor...')
#1 {main}
thrown in /in/XMqip on line 10
Process exited with code 255.
array(1) {
[0]=>
string(1) "a"
}
xyz is not empty! good to go!
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 10
Notice: Array to string conversion in /in/XMqip on line 11
LOLPHP: yes 'my cool password keep it secrete please' is the same as 'Array'
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 12
Notice: Array to string conversion in /in/XMqip on line 13
LOLPHP: yep 'some other password' is the same as 'Array'
'my cool password keep it secrete please' isn't the same as 'some other password'
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 18
jkl =
Output for 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
array(1) {
[0]=>
string(1) "a"
}
xyz is not empty! good to go!
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 10
LOLPHP: yes 'my cool password keep it secrete please' is the same as 'Array'
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 12
LOLPHP: yep 'some other password' is the same as 'Array'
'my cool password keep it secrete please' isn't the same as 'some other password'
Warning: strcmp() expects parameter 1 to be string, array given in /in/XMqip on line 18
jkl =
array(1) {
[0]=>
string(1) "a"
}
xyz is not empty! good to go!
Notice: Array to string conversion in /in/XMqip on line 10
Notice: Array to string conversion in /in/XMqip on line 12
'my cool password keep it secrete please' isn't the same as 'some other password'
Notice: Array to string conversion in /in/XMqip on line 18
Notice: Array to string conversion in /in/XMqip on line 18
jkl = 0