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Configuration of stristr()

<?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 stristr extends function_core
{
    public 
$examples = [
        [
            
"",
            
"e"
        
],
        [
            
"",
            
"e",
            
true
        
],
        [
            
"Hello World!",
            
"earth"
        
],
        [
            
"APPLE",
            
97
        
]
    ];

    public 
$synopsis 'string stristr ( string $haystack , mixed $needle [, bool $before_needle = false ] )';
}