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<?php $stock = ["7", "5", "3"]; $request = ["3", "6", "3"]; echo "Are there any items with insufficient stock: "; var_export( array_any( $stock, fn($v, $i) => $v < $request[$i] ) ); echo "\n---\nDo all items have sufficient stock: "; var_export( array_all( $stock, fn($v, $i) => $v >= $request[$i] ) ); echo "\n---\nWhich stock item value is insufficient: "; // more helpful if $v was a row from a 2d array var_export( array_find( $stock, fn($v, $i) => $v < $request[$i] ) ); echo "\n---\nWhich stock indexes have an insufficient amount: "; var_export( array_find_key( $stock, fn($v, $i) => $v < $request[$i] ) );
Output for git.master_jit, git.master
Are there any items with insufficient stock: true --- Do all items have sufficient stock: false --- Which stock item value is insufficient: '5' --- Which stock indexes have an insufficient amount: 1

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