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This article mainly introduces the method of subtracting two arrays in PHP. It involves the related skills of PHP operating arrays. It has certain reference value. Friends in need can refer to the following
Examples of this article Learn how to use PHP to subtract two arrays. The details are as follows:
This code passes in two arrays A and B and returns the result of A-B, that is, selecting the elements that exist in A but not in B
<?php function RestaDeArrays($vectorA,$vectorB) { $cantA=count($vectorA); $cantB=count($vectorB); $No_saca=0; for($i=0;$i<$cantA;$i++) { for($j=0;$j<$cantB;$j++) { if($vectorA[$i]==$vectorB[$j]) $No_saca=1; } if($No_saca==0) $nuevo_array[]=$vectorA[$i]; else $No_saca=0; } return $nuevo_array; } ?>
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