Why does PHP have two "not equal to" operators (!= and )
4772
Difference between "not equal" operators  and != in PHP
60338
Null vs. False vs. 0 in PHP
97134
PHP conditionals, brackets needed?
144910
Inadvertent use of = instead of ==
96454
In PHP, what does "<<<" represent?
63854
How do boolean operators work in 'if' conditions?
138518
Why is one string greater than the other when comparing strings in JavaScript?
84741
Using the && operator in an if statement
39174
Why doesn't Java have compound assignment versions of the conditional-and and conditional-or operators? (&&=, ||=)
72909
What does the |= operator do in Java?
12091
Are if else statement equivalent to logical and && or || and where should I prefer one over the other?
58312
Why does (0 == 'Hello') return true in PHP?
123590
+ operator before expression in javascript: what does it do?
105242
Uppercase Booleans vs. Lowercase in PHP
57386
Why don't C++ compilers define operator== and operator!=?
60222
Weird PHP floating point behavior
109567
How does operator  work when comparing two strings?