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The difference between $ array [0] and $ array [0] is as follows: Title $ array0 = $ array [0] and $ array0 = $ array ['0'] both get the first of the array difference between values Reply to discussion (solution) Generally, no single quotes are

Preg_match (& #039; S + & #039;, $ v, $ output); print_r ($ output); the result is array ([0] & amp; gt; 102) how to obtain the results of array ([0] & amp; gt; 102, [1] & amp; gt; 97%? Preg_match ('/\ S +/', $ v, $ output ); Print_r ($ output );

The difference between $array [0] and $array[' 0 '] such as the title $array 0= $array [0] and $array0= $array [' 0 '] can get the first value of the array to distinguish ------to solve the idea---------------------- References: as long as

Preg_match ('/\s+/', $v, $output); Print_r ($output); Get the result of array ([0]=>102), how do I get the result of array ([0]=>102,[1]=>97%)? Reply content: Preg_match ('/\s+/', $v, $output);Print_r ($output);Get the result of array ([0]=>102)

Use the following procedure to detect$a =0;if (empty ($a)) {echo "yes|";} Else{echo "no|";} if (Isset ($a)) {echo "yes|";} Else{echo "no|";} if (Is_null ($a)) {echo "yes|";} Else{echo "no|";} if ($a) {echo "yes|";} else {echo "no|";}So the result of

Array () false0false & #039; & #039; false0 & #039; & #039; but the question is why array ()! 0 array ()! & #039; & #039; array () = false 0 = false ''= False 0 ='' But the problem arises. Why? Array ()! = 0 Array ()! ='' Reply content:

PHP: empty, isset, is_null, array (0), array (), array (), 0, 0, null, NULL summary through the following program to detect $a=0;if(empty($a)){echo "yes|";}else{echo "no|";}if(isset($a)){echo "yes|";}else{echo "no|";}if(is_null($a)){echo "yes|";}

In php, convert an array (, 0.) to an image output and obtain the binary array of an image from a third-party interface. The result is similar to the following: $ Img_data = array ,...); How can I convert the above array to image output?

Reads n integers from the keyboard into the array, writes the function compactintegers, deletes all elements with a value of 0 in the array, and then moves the elements to the first end of the array. Note that the Compactintegers function needs to

reads n integers from the keyboard into the array, writes the function compactintegers, deletes all elements with a value of 0 in the array, and then moves the elements to the first end of the array. Note that the Compactintegers function needs to

Before learning the multiplication algorithm of the suffix array, but also simply practiced the multiplication (O (n㏒n)).Now again the suffix, with the help of Ro's paper "suffix array-a powerful tool for handling strings", practiced the 13 examples

Package Util;public class Pub {public static void Beforesort (int[] arr) {System.out.println (' before sort: '); for (int I:arr {System.out.print (i+ "");} System.out.println ();} public static void Aftersort (int[] arr) {System.out.println (' after

Incorrect number year for Gregorian calendar In the following code$lunarCalendar = Getlunarcalendar (2015,1,12);echo $lunarCalendar [' Year '];//here the lunar years should be 2014, but when the output shows it is indeed 2015How do I get the

How can I modify the classic Cartesian product code? Cartesian product code: & lt ;? PHPfunctionDescartes () {& nbsp; $ t = func_get_args (); & nbsp; if (func_num_args () = classic Cartesian product code, how can I modify it? Cartesian product code:

A section of PHP code results PHP Code Filename:", $file,""; Listdir ($dir. " /". $file." /"); } else{if ($file! = ".") && $file! = "...") {echo $file. " ";

PHP multi-dimensional array problem, a little difficult! Two arrays are as follows: // Registration information $ array1 = array (0 => array ('day' => '2017-3-7 ', // registration date 'data' => array (0 => array ('uid' => '123 '), 1 => array

Merge the two arrays. in this post, we edit the array 1: $ arr1Array ([0] & nbsp; & gt; & nbsp; from bluezsh to 2014-10-1616: 25: 27; array ([time] & nbsp; & gt; & nbsp; 8:00 [detail] & nbsp; & gt This post was last edited by bluezsh at

Two array merge issues This post was last edited by bluezsh on 2014-10-16 16:25:27 Array 1: $arr 1=array([0] = = Array([Time] = 8:00[detail] = = Array([0] = = Array([Caseid] = 31[Casename] = Zhang San)[1] = = Array([Caseid] = 32[Casename] = John

Merge two arrays problem array 1: $ Arr1 = Array ([0] => Array ([time] => 8: 00 [detail] => Array ([0] => Array ([caseid] => 31 [casename] => James) [1] => Array ([caseid] => 32 [casename] => Li Si) [2] => Array ([caseid] => 33 [casename] => Wang

Array 1: $arr 1=array ([0] = = Array ([TIME] = 8:00[detail] = = Array ([0] = = Array ([Caseid] = 31[casename] = Zhang San) [1 ] = = Array ([Caseid] = 32[casename] = Lee IV) [2] = = Array ([Caseid] = 33[casename] = Harry))) [1] = Ar Ray ([TIME] = 12