| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Copyright (c) 2016-present Ganbaro Digital Ltd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * All rights reserved. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * Redistribution and use in source and binary forms, with or without | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * modification, are permitted provided that the following conditions | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * are met: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  *   * Redistributions of source code must retain the above copyright | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  *     notice, this list of conditions and the following disclaimer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  *   * Redistributions in binary form must reproduce the above copyright | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  *     notice, this list of conditions and the following disclaimer in | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  *     the documentation and/or other materials provided with the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  *     distribution. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  *   * Neither the names of the copyright holders nor the names of his | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  *     contributors may be used to endorse or promote products derived | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  *     from this software without specific prior written permission. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  * POSSIBILITY OF SUCH DAMAGE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * @category  Libraries | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  * @package   MissingBits/TypeChecks | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  * @author    Stuart Herbert <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  * @copyright 2016-present Ganbaro Digital Ltd www.ganbarodigital.com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  * @link      http://ganbarodigital.github.io/php-the-missing-bits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | namespace GanbaroDigital\MissingBits\TypeChecks; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | use GanbaroDigital\MissingBits\Checks\Check; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  * do we have the name of a trait that has been defined? | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 50 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  | class IsDefinedTrait implements Check | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  | { | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |      * fluent-interface entry point | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |      * | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |      * we don't support any customisations | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |      * | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |      * @return IsDefinedTrait | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     public static function using() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         return new static(); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 63 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 65 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 66 |  |  |      * do we have the name of a trait that has been defined? | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  |      * | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |      * @param mixed $fieldOrVar | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |      *        the name to check | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |      * @return bool | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |      *         TRUE if $fieldOrVar is a trait that has been defined | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |      *         FALSE otherwise | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     public static function check($fieldOrVar) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         // this prevents PHP runtime errors | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         if (!IsStringy::check($fieldOrVar)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         // general cases | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         if (trait_exists($fieldOrVar)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         // if we get here, we have run out of ideas | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         return false; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |      * do we have the name of a trait that has been defined? | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |      * | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |      * @param mixed $fieldOrVar | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |      *        the name to check | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |      * @return bool | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |      *         TRUE if $fieldOrVar is a trait that has been defined | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |      *         FALSE otherwise | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     public function inspect($fieldOrVar) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         return static::check($fieldOrVar); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 102 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 103 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 104 |  |  |  |