Can you perform a comparison of string data

Encryption and Compression Functions. Spatial Analysis Functions. Spatial Function Reference. Argument Handling by Spatial Functions. Geometry Format Conversion Functions. Geometry Property Functions. General Geometry Property Functions.

Point Property Functions. Polygon and MultiPolygon Property Functions. GeometryCollection Property Functions. Spatial Operator Functions.

Spatial Geohash Functions. Spatial Aggregate Functions. Spatial Convenience Functions. Aggregate Functions. Aggregate Function Descriptions. Humans commonly ignore capitalization when comparing two words. However, computers do not. A common way to address this issue is to convert strings to a standard format, such as all lowercase, before performing the comparison.

There is also a similar function called chr that converts integers into their character equivalent. One thing to note in the last two examples is the fact that the space character has an ordinal value It is possible to leave out the middle part of the ternary operator.

Expression expr1? Note : Please note that the ternary operator is an expression, and that it doesn't evaluate to a variable, but to the result of an expression. This is important to know if you want to return a variable by reference. Note : It is recommended to avoid "stacking" ternary expressions. PHP's behaviour when using more than one unparenthesized ternary operator within a single expression is non-obvious compared to other languages.

Indeed prior to PHP 8. Relying on left-associativity is deprecated as of PHP 7. As of PHP 8. Example 4 Non-obvious Ternary Behaviour. Further exists the "?? Example 5 Assigning a default value. In particular, this operator does not emit a notice or warning if the left-hand side value does not exist, just like isset. This is especially useful on array keys.

Note : Please note that the null coalescing operator is an expression, and that it doesn't evaluate to a variable, but to the result of an expression. Note : Please note that the null coalescing operator allows for simple nesting: Example 6 Nesting null coalescing operator. Error Control Operators ». Submit a Pull Request Report a Bug. Comparison Operators Comparison operators, as their name implies, allow you to compare two values.

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