query: PHP: Should I ever use == over ===?
positive_passages.docid: 1736
positive_passages.text: How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
negative_passages.docid: 68829
negative_passages.text: Is it necessary to declare PHP array before adding values with []?
negative_passages.docid: 132179
negative_passages.text: Is  && statement() the same as if() statement()?
negative_passages.docid: 137325
negative_passages.text: Is it possible to overwrite a function in PHP
negative_passages.docid: 12091
negative_passages.text: Are if else statement equivalent to logical and && or || and where should I prefer one over the other?
negative_passages.docid: 59623
negative_passages.text: Understanding PHP & (ampersand, bitwise and) operator
negative_passages.docid: 19448
negative_passages.text: How do I use the ternary operator ( ? : ) in PHP as a shorthand for "if / else"?
negative_passages.docid: 44660
negative_passages.text: Type-juggling and (strict) greater/lesser-than comparisons in PHP
negative_passages.docid: 100563
negative_passages.text: PHP: Right way to declare variable before use in loop
negative_passages.docid: 139679
negative_passages.text: How can I check if an array contains a specific value in php?
negative_passages.docid: 89993
negative_passages.text: comparing arrays in php, without caring for the order
negative_passages.docid: 153624
negative_passages.text: What's the difference between is_null($var) and ($var === null)?
negative_passages.docid: 46395
negative_passages.text: Is it 100% correct to replace !!someVar with Boolean(someVar)?
negative_passages.docid: 665
negative_passages.text: Which equals operator (== vs ===) should be used in JavaScript comparisons?
negative_passages.docid: 1469
negative_passages.text: Is there a difference between "==" and "is"?
negative_passages.docid: 10298
negative_passages.text: Difference between == and === in JavaScript
negative_passages.docid: 14596
negative_passages.text: Are PHP Variables passed by value or by reference?