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run code in 150+ php & hhvm versions
Bugs & Features
<?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(); $arrayIdsDifferent = array(); for ($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]; echo $output; } }
Output for 7.1.0
Differences: Warning: A non-numeric value encountered in /in/neGd3 on line 34 1: val = foodurl = toys
Output for 4.3.0 - 7.0.14
Differences: 1: val = foodurl = toys