本文旨在给出一个用于模式打印的PHP实现。
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<?php // Php code to demonstrate // star pattern // Function to demonstrate // printing pattern function pypart( $n ) { // Outer loop to handle number // of rowsn in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // Printing stars echo "* " ; } // ending line after // each row echo "" ; } } // Driver Code $n = 5; pypart( $n ); ?> |
输出：
* * * * * * * * * * * * * * *
<?php // PHP code to demonstrate // star pattern // Function to demonstrate // printing pattern function pypart2( $n ) { for ( $i = 1; $i <= $n ; $i ++) { for ( $j = 1; $j <= $n ; $j ++) { if ( $j <=( $n - $i )){ echo " " . " " ; } else { echo "* " ; } } echo PHP_EOL; } } // Driver Code $n = 5; pypart2( $n ); ?> |
输出：
*
* *
* * *
* * * *
* * * * *
<?php // PHP code to demonstrate // star pattern // Function to demonstrate // printing pattern function triangle( $n ) { // number of spaces $k = 2 * $n - 2; // outer loop to handle // number of rows // n in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number spaces // values changing acc. // to requirement for ( $j = 0; $j < $k ; $j ++) echo " " ; // decrementing k after // each loop $k = $k - 1; // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // printing stars echo "* " ; } // ending line after // each row echo "" ; } } // Driver Code $n = 5; triangle( $n ); ?> |
输出：
*
* *
* * *
* * * *
* * * * *
<?php // code // PHP code to demonstrate // star pattern 2 // Function to demonstrate // printing pattern 2 function triangle_pattern( $len ){ $string = "*" ; $pyramid_str = "" ; $mid_point = ceil ( $len /2); for ( $i =1; $i <= $mid_point ; $i ++){ for ( $j = 1; $j <= $i ; ++ $j ) { $pyramid_str .= $string . " " ; } $pyramid_str .= " ; } for ( $i = $mid_point ; $i >=1; $i --){ for ( $j = 1; $j < $i ; ++ $j ) { $pyramid_str .= $string . " " ; } $pyramid_str .= " ; } return $pyramid_str ; } echo triangle_pattern(9); ?> |
输出
* * * * * * * * * * * * * * * * * * * * * * * * *
<?php // PHP code to demonstrate // printing pattern of numbers // Function to demonstrate // printing pattern function numpat( $n ) { // initializing starting number $num = 1; // outer loop to handle // number of rows // n in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // printing number echo $num . " " ; } // incrementing number // at each column $num = $num + 1; // ending line after // each row echo "" ; } } // Driver Code $n = 5; numpat( $n ); ?> |
输出：
1 2 2 3 3 3 4 4 4 4 5 5 5 5 5
<?php // PHP code to demonstrate // printing pattern of numbers // Function to demonstrate // printing pattern function numpat( $n ) { // initialising starting // number $num = 1; // outer loop to handle // number of rows // n in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // printing number echo $num . " " ; // incrementing number // at each column $num = $num + 1; } // ending line after // each row echo "" ; } } // Driver Code $n = 5; numpat( $n ); ?> |
输出：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
<?php // PHP code to demonstrate printing // pattern of alphabets // Function to demonstrate // printing pattern function alphapat( $n ) { // initializing value // corresponding to 'A' // ASCII value $num = 65; // outer loop to handle // number of rows // n in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // explicitly converting // to char $ch = chr ( $num ); // printing char value echo $ch . " " ; } // incrementing number $num = $num + 1; // ending line after // each row echo "" ; } } // Driver Code $n = 5; alphapat( $n ); ?> |
输出：
A B B C C C D D D D E E E E E
<?php // PHP code to demonstrate printing // pattern of alphabets // Function to demonstrate // printing pattern function contalpha( $n ) { // initializing value // corresponding to 'A' // ASCII value $num = 65; // outer loop to handle // number of rows // n in this case for ( $i = 0; $i < $n ; $i ++) { // inner loop to handle // number of columns // values changing acc. // to outer loop for ( $j = 0; $j <= $i ; $j ++ ) { // explicitly converting // to char $ch = chr ( $num ); // printing char value echo $ch . " " ; // incrementing number // at each column $num = $num + 1; } // ending line after each row echo "" ; } } // Driver Code $n = 5; contalpha( $n ); ?> |
输出：
A B C D E F G H I J K L M N O
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