01c07-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 54 行

<?php
// A function to display a multidimensional array as text columns.  
// $spacing should be set to the number of spaces you wish between columns
function display_array($arr, $spacing) {
	// We need to determine the maximum width of each column in the array
	$widths = array();
	
	// Loop through all rows
	foreach ($arr as $row) {
		// Examine each column
		foreach ($row as $key => $col) {
			// If this entry is wider than others in the column, store it
			if (!isset($widths[$key]) || (strlen($col) > $widths[$key])) {
				$widths[$key] = strlen($col);
			}
		}
	}
	
	// Now that we have the maximum widths, we can loop through the
	//  array, printing out each row
	echo '<pre>';
	foreach ($arr as $row) {
		$count = 0;
		foreach ($row as $key => $col) {
			// If this is not the first one, add the spacing:
			if ($count++) {
				echo str_repeat(' ', $spacing);
			}
			
			// Echo out the column, padded appropriately
			echo str_pad($col, $widths[$key]);
		}
		echo "\n";
	}
}

$test_array = array(
	array('NAME', 'CITY', 'STATE', 'PHONE', 'EMAIL'),
	array('Bob Smith', 'Baltimore', 'MD', '410-555-1212', '[e-mail]'),
	array('Jane Doe', 'Gary', 'IN', '999-555-7136', '[e-mail]'),
	array('William Fences', 'Redmond', 'WA', 
			'123-555-4567', '[e-mail]'),
	array('Steven Works', 'Cupertino', 'CA', 
			'023-555-4991', '[e-mail]')
	);

// Display the array, echos:
// NAME            CITY          STATE  PHONE         EMAIL
// Bob Smith       Baltimore     MD     410-555-1212  [e-mail]
// Jane Doe        Indianapolis  IN     999-555-7136  [e-mail]
// William Fences  Redmond       WA     123-555-4567  [e-mail]
// Steven Works    Cupertino     CA     023-555-4991  [e-mail]     
display_array($test_array, 3);
?>