<?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, $pw1);
var_dump($abc);
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/Vam0b:11
Stack trace:
#0 /in/Vam0b(11): strcmp(Array, 'my cool passwor...')
#1 {main}
thrown in /in/Vam0b on line 11
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/Vam0b on line 11
NULL
Warning: strcmp() expects parameter 1 to be string, array given in /in/Vam0b on line 14
'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/Vam0b on line 20
jkl =
array(1) {
[0]=>
string(1) "a"
}
xyz is not empty! good to go!
Notice: Array to string conversion in /in/Vam0b on line 11
int(-44)
Notice: Array to string conversion in /in/Vam0b on line 14
'my cool password keep it secrete please' isn't the same as 'some other password'
Notice: Array to string conversion in /in/Vam0b on line 20
Notice: Array to string conversion in /in/Vam0b on line 20
jkl = 0