Oihana PHP Arango

isAQLFunction.php

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Functions

isAQLFunction()  : bool
Check if a string is a valid AQL function call expression.

Functions

isAQLFunction()

Check if a string is a valid AQL function call expression.

isAQLFunction(string $expression) : bool

This function checks if the provided expression starts with a known AQL function name (case-insensitively) followed by parentheses.

Parameters
$expression : string

The expression to check, e.g., 'COUNT(doc)'.

Tags
example 
isAQLFunction('COUNT(doc)'); // true
isAQLFunction('CONCAT("a", "b")'); // true
isAQLFunction('concat("a", "b")'); // false
isAQLFunction('UNKNOWN_FUNCTION(1)'); // false
isAQLFunction('NOT_A_FUNCTION'); // false
Return values
bool —

True if it's a valid and known AQL function call.

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