PHP开发札记系列（九）- 数组（三）

file: count.php
url: http://localhost:88/array/count.php
<?php

    $map['1st'] = '1st value'; 
    $map['2nd'] = '2nd value'; 
    $map['3rd'] = '3rd value';

    echo count($map);
    
?>

file: count.php
url: http://localhost:88/array/count.php
<?php
    
    $school['grade1']['class1'] = 'class1, grade1'; 
    $school['grade1']['class2'] = 'class2, grade1'; 
    $school['grade1']['class3'] = 'class3, grade1'; 
    $school['grade2']['class1'] = 'class1, grade2'; 
    $school['grade2']['class2'] = 'class2, grade2'; 
    $school['grade2']['class3'] = 'class3, grade2'; 
    $school['grade3']['class1'] = 'class1, grade3'; 

    echo count($school);
    
    echo count($school, 1);
    
?>

file: array_count_values.php
url: http://localhost:88/array/array_count_values.php
<?php

    $favor = array('Sport', 'Travel', 'Sport' , 'Sing');

    $stats = array_count_values($favor);
    
    print_r($stats);
    
    echo "<br/>====================<br/>";
    
    $favor1 = array('1'=>'Sport', '2'=>'Sing', '3'=>'Sing', '4'=>'Travel');
    
    $stats1 = array_count_values($favor1);
    
    print_r($stats1);
    
?>

file: array_unique.php
url: http://localhost:88/array/array_unique.php
<?php

    $favor = array('Sport', 'Travel', 'Sport' , 'Sing');

    $unique = array_unique($favor);
    
    print_r($favor);
    
    echo "<br/>====================<br/>";
    
    print_r($unique);
    
?>

file: sort.php
url: http://localhost:88/array/sort.php
<?php

    $number = array(1, 4, 3, 2, 5, 10, 7, 1, 2);
    print_r($number);
    echo '<br/>';
    sort($number, SORT_NUMERIC);
    print_r($number);
    
    echo "<br/>====================<br/>";
    
    $letter = array('a', 'A', 'Z', 'f', 'G', 'e');
    print_r($letter); 
    echo '<br/>';  
    // 默认是模式是SORT_REGULAR
    sort($letter, SORT_REGULAR);
    print_r($letter);
    
    echo "<br/>====================<br/>";
    
    $string = array('Jack', 'Mike', 'Mary', 'Jassica', 'Ruby');
    print_r($string);
    echo '<br/>';  
    sort($string, SORT_STRING);
    print_r($string);
    
?>

file: asort.php
url: http://localhost:88/array/asort.php
<?php

    $number = array(1, 4, 3, 2, 5, 10, 7, 1, 2);
    print_r($number);
    echo '<br/>';
    asort($number, SORT_NUMERIC);
    print_r($number);
    
    echo "<br/>====================<br/>";
    
    $letter = array('a', 'A', 'Z', 'f', 'G', 'e');
    print_r($letter); 
    echo '<br/>';  
    // 默认是模式是SORT_REGULAR
    asort($letter, SORT_REGULAR);
    print_r($letter);
    
    echo "<br/>====================<br/>";
    
    $string = array('Jack', 'Mike', 'Mary', 'Jassica', 'Ruby');
    print_r($string);
    echo '<br/>';  
    asort($string, SORT_STRING);
    print_r($string);
    
?>

file: natsort.php
url: http://localhost:88/array/natsort.php
<?php

    $student = array('student1.jpg', 'student20.jpg', 'student10.jpg', 'student2.jpg');
    
    print_r($student);
    
    echo "<br/> ========================== <br/>";
    
    sort($student);
    
    print_r($student);
        
    echo "<br/> ========================== <br/>";
    
    natsort($student);
    
    print_r($student);
    
?>

file: natcasesort.php
url: http://localhost:88/array/natcasesort.php
<?php

    $student = array('student1.jpg', 'Student20.jpg', 'student10.jpg', 'Student2.jpg');
    
    natcasesort($student);
    
    print_r($student);
    
?>

file: ksort.php
url: http://localhost:88/array/ksort.php
<?php

    $student['Jack'] = 'Jack Lee';
    $student['Samamda'] = 'Samamda Mo';
    $student['Smart'] = 'Smart Chan';
    $student['Mary'] = 'Mary Lu';
    $student['Ban'] = 'Ban Chuang';
    
    print_r($student);
    
    echo "<br/> ========================== <br/>";
    
    ksort($student);
    
    print_r($student);
        
?>