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Configuration of intval()

<?php
/**
 * PHP By Example
 *
 * @copyright 2014 Michel Corne 
 * @license   http://www.opensource.org/licenses/gpl-3.0.html GNU GPL v3
 */

require_once 'models/function_core.php';

/**
 * Function configuration
 *
 * @see docs/function-configuration.txt
 */

class intval extends function_core
{
    public 
$examples = [
        
42,
        
4.2,
        
"42",
        
"+42",
        
"-42",
        
'_NO_QUOTE_042',
        
"042",
        
'_NO_QUOTE_1e10',
        
"1e10",
        
'_NO_QUOTE_0x1A',
        
42000000,
        
'_NO_QUOTE_420000000000000000000',
        
"420000000000000000000",
        [
428],
        [
"42"8],
        [
            [
            ]
        ],
        [
            [
                
=> 'foo',
                
=> 'bar',
            ]
        ]
    ];

    public 
$synopsis 'int intval ( mixed $var [, int $base = 10 ] )';
}