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📝 Editing: class-function-abs.php

<?php /** * The Forminator_Calculator_Symbol_Function_Abs class. * * @package Forminator */ /** * PHP abs() function. Expects one parameter. * Example: "abs(2)" => 2, "abs(-2)" => 2, "abs(0)" => 0 * * @see http://php.net/manual/en/ref.math.php */ class Forminator_Calculator_Symbol_Function_Abs extends Forminator_Calculator_Symbol_Function_Abstract { /** * Identifiers * * @var array */ protected $identifiers = array( 'abs' ); /** * Execute * * @inheritdoc * @param mixed $arguments Arguments. * @throws Forminator_Calculator_Exception When there is an Calculator error. */ public function execute( $arguments ) { if ( count( $arguments ) !== 1 ) { throw new Forminator_Calculator_Exception( 'Error: Expected one argument, got ' . count( $arguments ) ); } $number = $arguments[0]; return abs( $number ); } }

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