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<?php $ar_val="134567,dogs,food,EEUU"; $ar_url="134567,dogs,toys,EEUU"; $arrayVal = explode($ar_val, ','); $arrayUrl = explode($ar_url, ','); $maxLength = max(sizeof($arrayVal), sizeof($arrayUrl)); $arrayIdsEqual = array(); $arrayIdsDifferent = array(); print_r($arrayVal); print_r($arrayUrl); for ($i = 0; $i < $maxLength; $i++) { if (isset($arrayVal[$i]) && isset($arrayUrl[$i])) { if ($arrayVal[$i] == $arrayUrl[$i]) { $arrayIdsEqual[] = $i; } else { $arrayIdsDifferent[] = $i; } } else { //you arrive here if you have 2 arrays that don't have the same size / sme number of variables } } //assuming your 2 arrays ALWAYS have the same size, you can use the following logic if (empty($arrayIdsDifferent)) { echo '2 arrays are the same'; } else { echo 'Differences: '; foreach ($arrayIdsDifferent as $indexDifferent => $currentIdDifferent) { $output = 'difference ' . $indexDifferent + 1 . ': '; $output .= 'val = ' . $arrayVal[$currentIdDifferent]; $output .= 'url = ' . $arrayUrl[$currentIdDifferent]; } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.26, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => , ) Array ( [0] => , ) 2 arrays are the same
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in /in/3RVV3 on line 36 Array ( [0] => , ) Array ( [0] => , ) 2 arrays are the same

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