php string comparison not giving expected results
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
78156
String.equals() with multiple conditions (and one action on result)
155007
php integer and float comparison mismatch
42807
How can I compare two dates in PHP?
92890
Checking if a string array contains a value, and if so, getting its position
125952
PHP take string and check if that string exists as a variable
33772
Is there any difference in equals and == for String variables?
11079
Comparing two strings in Bash
153856
String comparison and String interning in Java
13411
What is difference between different string compare methods
156640
How can I check if a string exists in another string
80494
Simple PHP strpos function not working, why?
109567
How does operator  work when comparing two strings?
63349
How to string-compare for a single space
140896
C Strings Comparison with Equal Sign
101173
Testing string equality using hashCode()
81315
php String Concatenation, Performance