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php Programming Glossary: operandHow to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php at the beginning of a number variable function parenthesis operand ex preg_match ' ^ a z w d . d . d ' substr expr index match.. an operator bad. return this trigger operator ' op' lacks operand else break while substr expr index 1 ' ' step the index past..
PHP: 'or' statement on instruction fail: how to throw a new exception? http://stackoverflow.com/questions/1211237/php-or-statement-on-instruction-fail-how-to-throw-a-new-exception whichever you choose is trying to determine if either operand evaluates to TRUE. This means the operands must be expressions.. if either operand evaluates to TRUE. This means the operands must be expressions that can be cast as a boolean. So the reason..
The behaviour of the or operator in PHP http://stackoverflow.com/questions/12213283/the-behaviour-of-the-or-operator-in-php be. true false is always true overall since the lefthand operand is true so the whole expression must be true . false is not.. Higher precedence operators are grouped with their operands before lower precedence operators. Therefore e false true false..
PHP syntax question: What does the question mark and colon mean? [duplicate] http://stackoverflow.com/questions/1276909/php-syntax-question-what-does-the-question-mark-and-colon-mean operator also known as a conditional operator if first operand evaluates true evaluate as second operand else evaluate as third.. if first operand evaluates true evaluate as second operand else evaluate as third operand. Think of it as an if statement.. true evaluate as second operand else evaluate as third operand. Think of it as an if statement you can use in expressions...
mysqli or die, does it have to die? http://stackoverflow.com/questions/15318368/mysqli-or-die-does-it-have-to-die Because OR operator will return TRUE either if one if 2 operands is TRUE a smart interpreter wouldn't run second operand at.. 2 operands is TRUE a smart interpreter wouldn't run second operand at all if first one already evaluated to true So this is the..
how to perform operations with operator symbol saved in a variable http://stackoverflow.com/questions/15433781/how-to-perform-operations-with-operator-symbol-saved-in-a-variable an if condition if operator ' ' add the first and second operand . any other ideas guys php share improve this question ..
Double Not (!!) Operator in PHP http://stackoverflow.com/questions/2127260/double-not-operator-in-php The right will result in a boolean regardless of the operand . Then the left will negate that boolean. This means that for..
http://stackoverflow.com/questions/9709818/why-is-a-a-2 parsed as l l but doesn't determine if the left or right operand of the operator is evaluated first. If the left operand is evaluated.. operand of the operator is evaluated first. If the left operand is evaluated first the result would be 0 1 and if the right.. evaluated first the result would be 0 1 and if the right operand is evaluated first the result would be 1 1. Operator associativity..
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